tag:blogger.com,1999:blog-85428816994048850952024-03-05T13:18:38.626+07:00Skema NotebookSkema Notebook, Skema Laptop, Schematics diagram Dan Tips Hobby ElektronikEncihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.comBlogger31125tag:blogger.com,1999:blog-8542881699404885095.post-53083039015655115952023-01-05T21:05:00.000+07:002023-01-05T21:05:12.474+07:00Understanding SMD Resistor Codes In LCD Monitor<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjyRjfZp5OVPHEsd9AC1sxI-nrh55MZ07c7YnDzOxbwpUXK_MVXM2C1MQx5bmnTwIyiEcPIADds-l5lalTYBD9UeRSMBy0JrM0rMBVMQE2inIsUyH1_5KQUWaYxCCk71WcTYg3pi84T5VHERytjFt1rFna1i--nNmEmP6Lx9GLvlgirxd2EDxRYoFgyPA/s279/mengenal%20smd%20resistor%20di%20lcd%20monitor.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="279" data-original-width="244" height="279" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjyRjfZp5OVPHEsd9AC1sxI-nrh55MZ07c7YnDzOxbwpUXK_MVXM2C1MQx5bmnTwIyiEcPIADds-l5lalTYBD9UeRSMBy0JrM0rMBVMQE2inIsUyH1_5KQUWaYxCCk71WcTYg3pi84T5VHERytjFt1rFna1i--nNmEmP6Lx9GLvlgirxd2EDxRYoFgyPA/s1600/mengenal%20smd%20resistor%20di%20lcd%20monitor.jpg" width="244" /></a></div><span style="text-align: justify;"><p><span style="text-align: justify;"><br /></span></p><span style="color: red;">Understanding</span></span><span style="color: red;"><span style="letter-spacing: -0.35pt; text-align: justify;"> </span><span style="text-align: justify;">SMD</span><span style="letter-spacing: -0.15pt; text-align: justify;"> </span><span style="text-align: justify;">resistor</span><span style="letter-spacing: -0.15pt; text-align: justify;"> </span><span style="text-align: justify;">code</span></span><span style="letter-spacing: -0.05pt; text-align: justify;"> </span><span style="text-align: justify;">is</span><span style="letter-spacing: 0.2pt; text-align: justify;"> </span><span style="text-align: justify;">very</span><span style="letter-spacing: -0.1pt; text-align: justify;"> </span><span style="text-align: justify;">important</span><span style="letter-spacing: -0.15pt; text-align: justify;"> </span><span style="text-align: justify;">if</span><span style="letter-spacing: -0.2pt; text-align: justify;"> </span><span style="text-align: justify;">you</span><span style="letter-spacing: -0.3pt; text-align: justify;"> </span><span style="text-align: justify;">want</span><span style="letter-spacing: -0.15pt; text-align: justify;"> </span><span style="text-align: justify;">to</span><span style="letter-spacing: -0.15pt; text-align: justify;"> </span><span style="text-align: justify;">be</span><span style="letter-spacing: -0.05pt; text-align: justify;"> </span><span style="text-align: justify;">able</span><span style="letter-spacing: -3.35pt; text-align: justify;"> </span><span style="text-align: justify;">to repair LCD Monitors. EachSMD
resistor has a numeric number on top</span><span style="letter-spacing: -3.35pt; text-align: justify;"> </span><span style="text-align: justify;">of</span><span style="letter-spacing: -0.25pt; text-align: justify;"> </span><span style="text-align: justify;">its</span><span style="letter-spacing: 0.2pt; text-align: justify;"> </span><span style="text-align: justify;">body.</span><span style="letter-spacing: 0.2pt; text-align: justify;"> </span><span style="text-align: justify;">It</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">would</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">not</span><span style="letter-spacing: 0.1pt; text-align: justify;"> </span><span style="text-align: justify;">take</span><span style="letter-spacing: 0.1pt; text-align: justify;"> </span><span style="text-align: justify;">you</span><span style="letter-spacing: -0.1pt; text-align: justify;"> </span><span style="text-align: justify;">a</span><span style="letter-spacing: 0.3pt; text-align: justify;"> </span><span style="text-align: justify;">long</span><span style="letter-spacing: -0.15pt; text-align: justify;"> </span><span style="text-align: justify;">time</span><span style="letter-spacing: 0.15pt; text-align: justify;"> </span><span style="text-align: justify;">to</span><span style="letter-spacing: 0.3pt; text-align: justify;"> </span><span style="text-align: justify;">understand</span><span style="letter-spacing: 0.1pt; text-align: justify;"> </span><span style="text-align: justify;">it</span><span style="letter-spacing: 0.1pt; text-align: justify;"> </span><span style="text-align: justify;">as</span><span style="letter-spacing: 0.2pt; text-align: justify;"> </span><span style="text-align: justify;">the</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">below
guidance will show you exactly how you can calculate the ohms</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">value</span><span style="letter-spacing: 0.1pt; text-align: justify;"> </span><span style="text-align: justify;">easily.</span><p></p><div class="WordSection1"><p class="MsoBodyText" style="margin: 0in 56.95pt 0.0001pt 10.95pt; text-align: justify;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: 0.45pt; text-align: justify;"><span style="font-size: 13.5pt; mso-bidi-font-size: 14.0pt;"><o:p><span style="color: red;"> </span></o:p></span><span style="text-align: left;"><span style="color: red;">0</span> =</span><span style="letter-spacing: -0.1pt; text-align: left;"> </span><span style="text-align: left;">Jumper</span></p><p class="MsoBodyText" style="margin-top: 0.45pt; text-align: justify;"><span style="text-align: left;"><span style="color: #2b00fe;">0</span></span><span style="text-align: left;"><span style="color: #2b00fe;">00</span> =</span><span style="letter-spacing: -0.05pt; text-align: left;"> </span><span style="text-align: left;">Jumper</span></p><p class="MsoBodyText" style="margin-left: 10.95pt;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: .2pt;"><span style="color: red;">6R8</span> = 6.8 Ohm</p><p class="MsoBodyText" style="margin-top: .2pt;"><span style="color: #2b00fe;">100</span> = 10<span style="letter-spacing: 0.05pt;"> </span>Ohm</p><p class="MsoBodyText" style="margin-top: .2pt;"><span style="color: red;">750</span> = 75<span style="letter-spacing: 0.05pt;"> </span>Ohm</p><p class="MsoBodyText" style="margin-top: .2pt;"><span style="color: #2b00fe;">101</span> = 100<span style="letter-spacing: 0.05pt;"> </span>Ohm</p></div><p class="MsoBodyText" style="margin-left: 11.0pt;"><o:p></o:p></p>
<p class="MsoBodyText"><span style="color: red;"><o:p> </o:p>164</span> = 160000 = 160 Kilo Ohm</p><p class="MsoBodyText" style="margin-left: 11.0pt;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: .5pt;"><span style="color: #2b00fe;"><span style="font-size: 13.5pt; mso-bidi-font-size: 14.0pt;"><o:p> </o:p></span>472</span> =<span style="letter-spacing: -0.05pt;"> </span>4.7 Kilo<span style="letter-spacing: -0.05pt;"> </span>Ohm</p><p class="MsoBodyText" style="margin-left: 11.0pt;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: .2pt;"><span style="color: red;"><o:p> </o:p>1200</span> = 120 Ohm</p><p class="MsoBodyText" style="margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 11.0pt; margin-right: 0in; margin-top: .05pt;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: .5pt;"><span style="color: #2b00fe;"><span style="font-size: 13.5pt; mso-bidi-font-size: 14.0pt;"><o:p> </o:p></span>1201</span> =1200<span style="letter-spacing: -0.1pt;"> </span>Ohm= 1.2<span style="letter-spacing: -0.05pt;">
</span>Kilo<span style="letter-spacing: -0.1pt;"> </span>Ohm</p><p class="MsoBodyText" style="margin-left: 11.0pt;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: .55pt;"><span style="color: red;"><span style="font-size: 13.5pt; mso-bidi-font-size: 14.0pt;"><o:p> </o:p></span>1001</span> =1000<span style="letter-spacing: -0.1pt;"> </span>Ohm= 1<span style="letter-spacing: 0.15pt;"> </span>Kilo<span style="letter-spacing: -0.05pt;"> </span>Ohm</p><p class="MsoBodyText" style="margin-left: 11.0pt;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: .55pt;"><span style="color: #2b00fe;"><span style="font-size: 13.5pt; mso-bidi-font-size: 14.0pt;"><o:p> </o:p></span>2000</span> = 200 Ohm</p><p class="MsoBodyText" style="margin-left: 11.0pt;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: .5pt;"><span style="color: red;"><span style="font-size: 13.5pt; mso-bidi-font-size: 14.0pt;"><o:p> </o:p></span>1182</span> =<span style="letter-spacing: -0.05pt;"> </span>11800= 11.8 Kilo ohm</p><p class="MsoBodyText" style="margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 11.0pt; margin-right: 0in; margin-top: .05pt;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: .5pt;"><span style="color: #2b00fe;"><span style="font-size: 13.5pt; mso-bidi-font-size: 14.0pt;"><o:p> </o:p></span>1003</span> =<span style="letter-spacing: -0.05pt;"> </span>1000000=<span style="letter-spacing: -0.05pt;"> </span>1<span style="letter-spacing: -0.05pt;"> </span>Mega Ohm</p><p class="MsoBodyText" style="margin-left: 11.0pt;"><o:p></o:p></p>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-71866205639985713942023-01-05T20:53:00.001+07:002023-01-05T20:53:18.723+07:00Internal Parts in LCD Monitor Atau Isi Dalem Monitor LCD<p> </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIFR4ucAn_V9GM8_PJk9mKmyj7CNSK-xmPp9x80JQMWvSfZJo96SldhnjNMR2DGw9mVBO5Mo2hiuLUi8Y3eYLGp8Wo9zEEoQDHmxISHgMW8MGCnj6YDlKrTdNdoNGvAxXlNz9dUm6hRCYmvpWlHRzKZToH8gNlwh35htRSG66MRVCd5HFjyxopjQ6Otg/s416/isi%20daleman%20lcd%20monitor.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="365" data-original-width="416" height="281" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIFR4ucAn_V9GM8_PJk9mKmyj7CNSK-xmPp9x80JQMWvSfZJo96SldhnjNMR2DGw9mVBO5Mo2hiuLUi8Y3eYLGp8Wo9zEEoQDHmxISHgMW8MGCnj6YDlKrTdNdoNGvAxXlNz9dUm6hRCYmvpWlHRzKZToH8gNlwh35htRSG66MRVCd5HFjyxopjQ6Otg/s320/isi%20daleman%20lcd%20monitor.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><span style="text-align: left;"><br /></span></div><div class="separator" style="clear: both; text-align: justify;"><span style="text-align: left;">Currently,</span><span style="letter-spacing: -0.15pt; text-align: left;"> </span><span style="text-align: left;">the</span><span style="letter-spacing: 0.1pt; text-align: left;"> </span><span style="text-align: left;">most</span><span style="letter-spacing: -0.25pt; text-align: left;"> </span><span style="text-align: left;">commonly</span><span style="letter-spacing: -0.05pt; text-align: left;">
</span><span style="text-align: left;">used</span><span style="letter-spacing: -0.2pt; text-align: left;"> </span><span style="text-align: left;">light</span><span style="letter-spacing: -0.2pt; text-align: left;"> </span><span style="text-align: left;">emitting</span><span style="letter-spacing: -0.45pt; text-align: left;">
</span><span style="text-align: left;">device</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">is</span><span style="letter-spacing: -0.1pt; text-align: left;"> </span><span style="text-align: left;">a</span><span style="letter-spacing: -0.15pt; text-align: left;"> </span><span style="text-align: left;">fluorescent</span><span style="letter-spacing: -3.35pt; text-align: left;"> </span><span style="text-align: left;">tube called a cold cathode tube for CCFL.
The CCFL is called a cold</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">cathode
tube because even though the principle of illumination is the</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">same as that of the hot cathode tubes used
by indoor lamps, </span><b style="text-align: left;">this lamp<span style="letter-spacing: .05pt;"> </span>does<span style="letter-spacing: .1pt;"> </span>not<span style="letter-spacing: -.05pt;"> </span>require<span style="letter-spacing: .1pt;">
</span>preheating<span style="letter-spacing: .25pt;"> </span>of<span style="letter-spacing: .2pt;"> </span>the<span style="letter-spacing: .1pt;"> </span>filament.</b></div><p></p><p class="MsoBodyText" style="margin-top: .45pt;">Also, the electrodes at the end
of the bulb stay at a low temperature while<span style="letter-spacing: -3.35pt;">
</span>emitting<span style="letter-spacing: -0.1pt;"> </span>light.<span style="letter-spacing: 0.05pt;"> </span>CCFL<span style="letter-spacing: -0.25pt;"> </span>also<span style="letter-spacing: -0.05pt;"> </span>enjoy<span style="letter-spacing: -0.3pt;"> </span>a<span style="letter-spacing: 0.1pt;"> </span>long<span style="letter-spacing: -0.05pt;"> </span>life<span style="letter-spacing: -0.05pt;"> </span>(approx<span style="letter-spacing: -0.35pt;">
</span>50,000<span style="letter-spacing: 0.15pt;"> </span>hours)<span style="letter-spacing: -0.15pt;"> </span>without<span style="letter-spacing: -3.35pt;">
</span>serious degradation. A special power supply, inverter, which generates<span style="letter-spacing: 0.05pt;"> </span>approximately 600 to 1000 AC is required
to drive a CCFL. This inverter<span style="letter-spacing: -3.35pt;"> </span>is a
small power supply used to make this CCFL illuminate, and is one of<span style="letter-spacing: -3.35pt;"> </span>the<span style="letter-spacing: 0.3pt;"> </span>important<span style="letter-spacing: 0.25pt;"> </span>functional<span style="letter-spacing: -0.25pt;"> </span>parts<span style="letter-spacing: 0.1pt;"> </span>of<span style="letter-spacing: -0.3pt;"> </span>a<span style="letter-spacing: 0.1pt;"> </span>complete<span style="letter-spacing: 0.1pt;"> </span>LCD<span style="letter-spacing: 0.05pt;"> </span>display.</p><p class="MsoBodyText" style="margin-top: .45pt;"><u style="text-align: center;"><span style="color: #2b00fe;">Display<span style="letter-spacing: -.2pt;"> </span>Flicker<span style="letter-spacing: -.05pt;"> </span>and<span style="letter-spacing: -.2pt;"> </span>Reddish</span></u></p><h4 style="text-align: center;"><o:p></o:p></h4><p class="MsoBodyText"><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">Normally a reddish display and display flicker in LCD
Monitor were</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">caused by one of the
defective backlight (either top or bottom backlight).</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">For</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.15pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">those</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.2pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">LCD Monitors</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">that</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.1pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">do</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.2pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">not</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.2pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">have
the</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.2pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">feedback</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">circuit</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.1pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">in</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.25pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">the</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">inverter
board, even though the backlight have problem the LCD Monitor</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -3.35pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">continue to work and never shutdown.
This is totally different in LCD</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">Monitors
that have the feedback circuit in the inverter board because even</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -3.35pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">a slight flicker in the display caused
by a defective backlight, the LCD</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">Monitor</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">would</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.1pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">immediately</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.15pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">shutdown</span></p><p><br /></p>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-8644813684637603422023-01-05T20:43:00.000+07:002023-01-05T20:43:18.451+07:00Understanding the LCD Monitor Start Circuit<p> </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi84b5aP-BWGlK-W7U_oFgD12qGu8RBH-70SGLeCosjZxw09_n6b82k6dWIy2cY4lrBJN5OozMySuE7XtQ5VPhck6iWnUutbD31FP5jET4IhrxaacujpDjICYtSOz5iD7M6j5A8SIiEfAo38i4yHmqizmzGKoLFfm5NUrVPfIU7r2U0pwAJYzKSQAM7_A/s435/soft%20start%20lcd%20monitor%20circuit.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="265" data-original-width="435" height="195" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi84b5aP-BWGlK-W7U_oFgD12qGu8RBH-70SGLeCosjZxw09_n6b82k6dWIy2cY4lrBJN5OozMySuE7XtQ5VPhck6iWnUutbD31FP5jET4IhrxaacujpDjICYtSOz5iD7M6j5A8SIiEfAo38i4yHmqizmzGKoLFfm5NUrVPfIU7r2U0pwAJYzKSQAM7_A/s320/soft%20start%20lcd%20monitor%20circuit.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: justify;"><span style="text-align: left;">Most of the LCD Monitor has a
Start Circuit to control the voltage from</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">the
power supply to the supply pin of Inverter IC. The main control signal</span><span style="letter-spacing: -3.35pt; text-align: left;"> </span><span style="text-align: left;">comes from the Main board and the
voltage is from 0 and few Volts (2- 5</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">Volts).</span></div><p></p><p></p><p class="MsoBodyText" style="margin-top: .45pt;">If the signal is Zero Volts, then
the inverter IC would not receive any<span style="letter-spacing: 0.05pt;"> </span>supply<span style="letter-spacing: -0.05pt;"> </span>voltage<span style="letter-spacing: 0.25pt;">
</span>from<span style="letter-spacing: -0.35pt;"> </span>the power<span style="letter-spacing: -0.15pt;"> </span>supply<span style="letter-spacing: -0.3pt;">
</span>and<span style="letter-spacing: 0.2pt;"> </span>if<span style="letter-spacing: -0.4pt;"> </span>the<span style="letter-spacing: -0.05pt;"> </span>signal<span style="letter-spacing: -0.05pt;"> </span>is<span style="letter-spacing: 0.05pt;"> </span>2<span style="letter-spacing: -0.05pt;"> </span>Volts<span style="letter-spacing: 0.05pt;"> </span>(On)<span style="letter-spacing: -3.35pt;"> </span>then the inverter IC would be “On” and
the high voltage transformer<span style="letter-spacing: 0.05pt;"> </span>would<span style="letter-spacing: 0.05pt;"> </span>energized<span style="letter-spacing: 0.05pt;">
</span>and<span style="letter-spacing: 0.05pt;"> </span>the<span style="letter-spacing: 0.05pt;"> </span>backlights<span style="letter-spacing: 0.15pt;"> </span>will light<span style="letter-spacing: 0.25pt;"> </span>up.</p><p class="MsoBodyText" style="margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 11.0pt; margin-right: 78.7pt; margin-top: 0in;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: .15pt;">The Start Circuit is a good
starting point to diagnose why the LCD<span style="letter-spacing: 0.05pt;"> </span>Monitor
has no<span style="letter-spacing: -0.15pt;"> </span>display, display<span style="letter-spacing: -0.35pt;"> </span>shutdown<span style="letter-spacing: -0.35pt;">
</span>and<span style="letter-spacing: 0.1pt;"> </span>intermittent<span style="letter-spacing: 0.05pt;"> </span>no<span style="letter-spacing: -0.1pt;"> </span>display<span style="letter-spacing: -3.35pt;"> </span>problem.</p><p class="MsoBodyText" style="margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 11.0pt; margin-right: 82.9pt; margin-top: 0in;"><o:p></o:p></p><br /><p></p>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-47414714579009930832023-01-05T20:33:00.003+07:002023-01-05T20:35:04.002+07:00Understanding LCD Monitor Inverter Board<p> </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiJJqiiqMYsCkDPEVWOhvGgh4ribvegpR318L7JC5APoYF8cUakZSapfQyfuRqblpS3FGXELeou_OtOUlEe_YEurJXp-NXXnWiG2L9yT4fJKZZqI-1zqjFIJoRBBVBkVXofO6nXs4WulVZ8DfGzEokyKoNnF9I6YPHWqq5B7WSUORGdJdmkmeqJ2ZU9hw" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="588" data-original-width="660" height="286" src="https://blogger.googleusercontent.com/img/a/AVvXsEiJJqiiqMYsCkDPEVWOhvGgh4ribvegpR318L7JC5APoYF8cUakZSapfQyfuRqblpS3FGXELeou_OtOUlEe_YEurJXp-NXXnWiG2L9yT4fJKZZqI-1zqjFIJoRBBVBkVXofO6nXs4WulVZ8DfGzEokyKoNnF9I6YPHWqq5B7WSUORGdJdmkmeqJ2ZU9hw=w320-h286" width="320" /></a></div><p></p><p class="MsoBodyText" style="line-height: 100%; margin-bottom: 0in; margin-left: 11.0pt; margin-right: 70.35pt; margin-top: 4.35pt; margin: 4.35pt 70.35pt 0in 11pt; text-align: justify;">For a newer LCD Monitor design, the inverter board is joining together<span style="letter-spacing: -3.35pt;"> </span>with<span style="letter-spacing: -0.35pt;">
</span>the<span style="letter-spacing: -0.05pt;"> </span>power<span style="letter-spacing: -0.15pt;"> </span>board<span style="letter-spacing: -0.05pt;">
</span>as shown<span style="letter-spacing: -0.05pt;"> </span>in<span style="letter-spacing: -0.3pt;"> </span>the<span style="letter-spacing: -0.05pt;"> </span>above<span style="letter-spacing: -0.1pt;"> </span>photo.<span style="letter-spacing: 0.05pt;"> </span>Older<span style="letter-spacing: 0.1pt;"> </span>LCD<span style="letter-spacing: -0.1pt;"> </span>Monitor<span style="letter-spacing: -3.35pt;"> </span>has the<span style="letter-spacing: -0.05pt;">
</span>inverter<span style="letter-spacing: -0.15pt;"> </span>board<span style="letter-spacing: -0.05pt;"> </span>separated<span style="letter-spacing: 0.2pt;"> </span>from<span style="letter-spacing: -0.6pt;"> </span>the<span style="letter-spacing: -0.05pt;"> </span>power<span style="letter-spacing: -0.15pt;">
</span>board<span style="letter-spacing: -0.05pt;"> </span>as<span style="letter-spacing: 0.05pt;"> </span>shown<span style="letter-spacing: -0.3pt;"> </span>below. </p><p class="MsoBodyText" style="line-height: 100%; margin-bottom: 0in; margin-left: 11.0pt; margin-right: 70.35pt; margin-top: 4.35pt; margin: 4.35pt 70.35pt 0in 11pt; text-align: justify;"><br /></p><p class="MsoBodyText" style="line-height: 100%; margin-bottom: 0in; margin-left: 11.0pt; margin-right: 70.35pt; margin-top: 4.35pt; margin: 4.35pt 70.35pt 0in 11pt; text-align: justify;"></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEg6HeIxB2CV8BuICE2WYN8ioT5q4kfWqAxlfe1Vip1P2klnMNrrlOc42r-q7xewNkNrIlojy5U3smk8x9mbuuRMZOOPxqpW2UukBLQKaOXQHnxUig9WnRFLaHwC13oBjmZhEoMAJ3KNC7gv24VWoR0OZRNy-PMsYubVp1Ph_BjPL-QPP3voFB5tJ73CMQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="407" data-original-width="765" height="166" src="https://blogger.googleusercontent.com/img/a/AVvXsEg6HeIxB2CV8BuICE2WYN8ioT5q4kfWqAxlfe1Vip1P2klnMNrrlOc42r-q7xewNkNrIlojy5U3smk8x9mbuuRMZOOPxqpW2UukBLQKaOXQHnxUig9WnRFLaHwC13oBjmZhEoMAJ3KNC7gv24VWoR0OZRNy-PMsYubVp1Ph_BjPL-QPP3voFB5tJ73CMQ=w400-h166" width="400" /></a></div><p class="MsoBodyText" style="margin-bottom: 0in; margin-left: 11.0pt; margin-right: 84.25pt; margin-top: 3.65pt; margin: 3.65pt 84.25pt 0in 11pt;"><br /></p><p class="MsoBodyText" style="margin-bottom: 0in; margin-left: 11.0pt; margin-right: 84.25pt; margin-top: 3.65pt; margin: 3.65pt 84.25pt 0in 11pt;">There<span style="letter-spacing: -0.1pt;"> </span>are<span style="letter-spacing: 0.2pt;"> </span>four<span style="letter-spacing: -0.25pt;"> </span>types<span style="letter-spacing: -0.05pt;">
</span>of<span style="letter-spacing: -0.2pt;"> </span>inverter<span style="letter-spacing: -0.2pt;"> </span>designs<span style="letter-spacing: -0.1pt;">
</span>(topologies)<span style="letter-spacing: 0.05pt;"> </span>used<span style="letter-spacing: -0.05pt;"> </span>in<span style="letter-spacing: -0.35pt;"> </span>the<span style="letter-spacing: 0.15pt;"> </span>LCD<span style="letter-spacing: -3.35pt;"> </span>Monitors.</p><p class="MsoBodyText" style="margin-bottom: 0in; margin-left: 11.0pt; margin-right: 84.25pt; margin-top: 3.65pt; margin: 3.65pt 84.25pt 0in 11pt;"><br /></p><h4 style="margin: 3.65pt 84.25pt 0in 11pt; text-align: left;"><span style="text-indent: -18.1pt;">1. </span><span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal; text-indent: -18.1pt;"> </span><span style="text-indent: -18.1pt;">Buck</span><span style="letter-spacing: -0.45pt; text-indent: -18.1pt;"> </span><span style="text-indent: -18.1pt;">Royer</span><span style="letter-spacing: -0.1pt; text-indent: -18.1pt;"> </span><span style="text-indent: -18.1pt;">inverter</span></h4><h4 style="margin: 3.65pt 84.25pt 0in 11pt; text-align: left;"><b style="text-indent: -18.15pt;"><span style="font-size: 14pt; mso-font-width: 99%;">2.<span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: normal; line-height: normal;"> </span></span></b><b style="text-indent: -18.15pt;"><span style="font-size: 14pt; mso-bidi-font-size: 11.0pt;">Push<span style="letter-spacing: -0.4pt;"> </span>pull<span style="letter-spacing: -0.05pt;"> </span>inverter (Direct<span style="letter-spacing: -0.1pt;"> </span>Drive)</span></b></h4><h4 style="margin: 3.65pt 84.25pt 0in 11pt; text-align: left;"><span style="text-indent: -18.15pt;">3.</span><span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; line-height: normal; text-indent: -18.15pt;"> </span><span style="text-indent: -18.15pt;">Half bridge</span><span style="letter-spacing: -0.05pt; text-indent: -18.15pt;"> </span><span style="text-indent: -18.15pt;">inverter</span><span style="letter-spacing: -0.05pt; text-indent: -18.15pt;"> </span><span style="text-indent: -18.15pt;">and</span><span style="letter-spacing: -0.2pt; text-indent: -18.15pt;"> </span><span style="text-indent: -18.15pt;">(Direct</span><span style="letter-spacing: -0.2pt; text-indent: -18.15pt;"> </span><span style="text-indent: -18.15pt;">Drive)</span></h4><h4 style="margin: 3.65pt 84.25pt 0in 11pt; text-align: left;"><span style="text-indent: -18.15pt;"><span style="mso-font-width: 99%;">4.</span><span style="font-size: 14pt; font-weight: bold; mso-font-width: 99%;"><span style="font-size: 7pt; font-stretch: normal; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: normal; line-height: normal;"> </span></span></span><b style="text-indent: -18.15pt;"><span style="font-size: 14pt; mso-bidi-font-size: 11.0pt;">Full<span style="letter-spacing: -0.15pt;"> </span>bridge<span style="letter-spacing: -0.05pt;"> </span>inverter (Direct<span style="letter-spacing: -0.2pt;"> </span>Drive)</span></b></h4>
<p class="MsoBodyText" style="margin-top: 0.15pt;"><br /></p><p class="MsoBodyText" style="margin-top: 0.15pt;">Number<span style="letter-spacing: -0.25pt;"> </span>2,<span style="letter-spacing: -0.1pt;"> </span>3<span style="letter-spacing: -0.1pt;"> </span>and<span style="letter-spacing: -0.15pt;"> </span>4<span style="letter-spacing: -0.1pt;"> </span>are<span style="letter-spacing: -0.15pt;"> </span>called<span style="letter-spacing: -0.15pt;"> </span><b><span style="background-color: red;">Direct<span style="letter-spacing: -0.2pt;"> </span>Drive</span><span style="letter-spacing: 0.1pt;"> </span></b>because<span style="letter-spacing: -0.05pt;"> </span>it<span style="letter-spacing: -0.2pt;"> </span>eliminates<span style="letter-spacing: -0.05pt;"> </span>the<span style="letter-spacing: -0.05pt;"> </span>need<span style="letter-spacing: -3.35pt;"> </span>for<span style="letter-spacing: -0.1pt;"> </span>the<span style="letter-spacing: 0.25pt;"> </span>inductor<span style="letter-spacing: -0.1pt;">
</span>(buck choke)<span style="letter-spacing: -0.05pt;"> </span>and resonant<span style="letter-spacing: 0.15pt;"> </span>capacitors<span style="letter-spacing: 0.1pt;"> </span>found<span style="letter-spacing: 0.2pt;"> </span>in<span style="letter-spacing: -0.25pt;"> </span>a<span style="letter-spacing: 0.05pt;"> </span>conventional
Royer Oscillator. In other words, Direct Drive architecture<span style="letter-spacing: 0.05pt;"> </span>reduces component count, lower production
cost and most importantly<span style="letter-spacing: 0.05pt;"> </span>improved<span style="letter-spacing: -0.05pt;"> </span>transformer<span style="letter-spacing: -0.05pt;"> </span>designs<span style="letter-spacing: 0.1pt;"> </span>that<span style="letter-spacing: 0.05pt;"> </span>optimize performance.</p><p class="MsoBodyText" style="margin-bottom: 0in; margin-left: 10.95pt; margin-right: 56.35pt; margin-top: 0in; margin: 0in 56.35pt 0in 10.95pt;"><o:p></o:p></p><p></p><p class="MsoBodyText" style="line-height: 100%; margin-bottom: 0in; margin-left: 11.0pt; margin-right: 70.35pt; margin-top: 4.35pt; margin: 4.35pt 70.35pt 0in 11pt; text-align: justify;"></p><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgj0NKdoAGn7FRhS8eoZIhSS1NUh592UfcpxBWQQ4UbwszFwyYyzueTOd1TB6ebLqMcZleGe1yFZ8zyjUl3_XvNQ7oBwbJUXfgGI3570LyJGPnNRvwUZJuKc-oMjLX72YYapw8bbqeSV-3rLtm3Da__gcCF8dfPY7Qjf6_udS8fY7kLRJ-ztHdwRMl4yQ/s548/inverter.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="459" data-original-width="548" height="268" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgj0NKdoAGn7FRhS8eoZIhSS1NUh592UfcpxBWQQ4UbwszFwyYyzueTOd1TB6ebLqMcZleGe1yFZ8zyjUl3_XvNQ7oBwbJUXfgGI3570LyJGPnNRvwUZJuKc-oMjLX72YYapw8bbqeSV-3rLtm3Da__gcCF8dfPY7Qjf6_udS8fY7kLRJ-ztHdwRMl4yQ/s320/inverter.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4SjsskzcCZwVk3kHrMDq4B9HNs5J1WDpQQgHfvyDfF4E5ukdNRHVlhRdEOpOyEIk4fC_LGeXkWb1CijLbMnkEr_3J5rYBkDWAMBG8kTB2cAMME_5eA-bfGZypH38OVicCb1iG4Ypu127dyAJfc8_hc7fzOxjogtl7gFKH8TKw3DBr4j4OREAcfrK_gA/s533/royer%20inverter.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="280" data-original-width="533" height="168" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4SjsskzcCZwVk3kHrMDq4B9HNs5J1WDpQQgHfvyDfF4E5ukdNRHVlhRdEOpOyEIk4fC_LGeXkWb1CijLbMnkEr_3J5rYBkDWAMBG8kTB2cAMME_5eA-bfGZypH38OVicCb1iG4Ypu127dyAJfc8_hc7fzOxjogtl7gFKH8TKw3DBr4j4OREAcfrK_gA/s320/royer%20inverter.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: justify;"><span style="text-align: left;">In order to drive the Backlights
(CCFL lamps) embedded in the panel</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">module,
an inverter circuit is required to convert the 12 volt DC up to</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">hundreds or even a thousand plus AC
voltage output. The inverter is</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">formed
by symmetric circuitry, in order to drive the separate lamp</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">modules.</span><span style="letter-spacing: -0.05pt; text-align: left;">
</span><span style="text-align: left;">The</span><span style="letter-spacing: -0.05pt; text-align: left;"> </span><span style="text-align: left;">input</span><span style="letter-spacing: -0.15pt; text-align: left;"> </span><span style="text-align: left;">stage</span><span style="letter-spacing: -0.05pt; text-align: left;">
</span><span style="text-align: left;">(buck</span><span style="letter-spacing: -0.05pt; text-align: left;"> </span><span style="text-align: left;">converter</span><span style="letter-spacing: -0.2pt; text-align: left;"> </span><span style="text-align: left;">circuit)</span><span style="letter-spacing: -0.2pt; text-align: left;">
</span><span style="text-align: left;">consists of</span><span style="letter-spacing: -0.4pt; text-align: left;"> </span><span style="text-align: left;">Inverter</span><span style="letter-spacing: -0.2pt; text-align: left;"> </span><span style="text-align: left;">IC</span><span style="letter-spacing: -3.35pt; text-align: left;"> </span><span style="text-align: left;">(PWM
IC), Buck P-channel FET, Buck Choke and Buck Diode. The</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">Buck converter</span><span style="letter-spacing: -0.1pt; text-align: left;"> </span><span style="text-align: left;">circuit</span><span style="letter-spacing: -0.1pt; text-align: left;"> </span><span style="text-align: left;">converts</span><span style="letter-spacing: 0.1pt; text-align: left;">
</span><span style="text-align: left;">a DC</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">voltage to a lower</span><span style="letter-spacing: -0.1pt; text-align: left;"> </span><span style="text-align: left;">DC</span><span style="letter-spacing: 0.05pt; text-align: left;"> </span><span style="text-align: left;">voltage.</span></div><div class="separator" style="clear: both; text-align: left;"><p class="MsoBodyText" style="margin-bottom: 0in; margin-left: 11.0pt; margin-right: 60.7pt; margin-top: 0in; margin: 0in 60.7pt 0in 11pt;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: 0.4pt; text-align: justify;"><br /></p><p class="MsoBodyText" style="margin-top: 0.4pt; text-align: justify;">The<span style="letter-spacing: -0.15pt;"> </span>other<span style="letter-spacing: -0.2pt;"> </span>stage<span style="letter-spacing: -0.1pt;"> </span>consists of<span style="letter-spacing: -0.45pt;"> </span>a<span style="letter-spacing: -0.1pt;"> </span>tuning<span style="letter-spacing: -0.1pt;"> </span>capacitors, high<span style="letter-spacing: -0.1pt;"> </span>voltage<span style="letter-spacing: -0.1pt;"> </span>transformer,<span style="letter-spacing: -3.35pt;"> </span>and<span style="letter-spacing: -0.05pt;"> </span>push-pull<span style="letter-spacing: -0.3pt;"> </span>transistor<span style="letter-spacing: -0.15pt;"> </span>pair<span style="letter-spacing: -0.1pt;"> </span>to<span style="letter-spacing: -0.05pt;"> </span>boost ac<span style="letter-spacing: -0.05pt;">
</span>output<span style="letter-spacing: -0.05pt;"> </span>to hundreds<span style="letter-spacing: 0.05pt;"> </span>of<span style="letter-spacing: -0.1pt;"> </span>voltage.</p><p class="MsoBodyText" style="margin-top: 0.4pt; text-align: justify;">The ballast capacitor controls
current amplitude through the lamp<span style="letter-spacing: 0.05pt;"> </span>negative
impedance by dropping an approximately equal voltage across<span style="letter-spacing: 0.05pt;"> </span>its positive impedance. The feedback
circuit is for protection purposes<span style="letter-spacing: 0.05pt;"> </span>and
will shut down the inverter IC just in case if the high voltage<span style="letter-spacing: 0.05pt;"> </span>produced<span style="letter-spacing: -0.2pt;">
</span>by<span style="letter-spacing: -0.4pt;"> </span>the<span style="letter-spacing: -0.2pt;"> </span>high<span style="letter-spacing: 0.05pt;"> </span>voltage<span style="letter-spacing: -0.15pt;"> </span>transformer<span style="letter-spacing: -0.3pt;"> </span>exceeded<span style="letter-spacing: -0.15pt;"> </span>the<span style="letter-spacing: 0.05pt;"> </span>normal<span style="letter-spacing: -0.25pt;">
</span>value<span style="letter-spacing: -0.2pt;"> </span>and<span style="letter-spacing: -3.35pt;"> </span>also it can detect bad or a flicker
backlights. The inverter IC also used to<span style="letter-spacing: -3.35pt;"> </span>control
the brightness of the CCFL lamps. The AC frequency of the high<span style="letter-spacing: -3.35pt;"> </span>voltage transformer is typically run at
30 to 70 KHz. The higher the<span style="letter-spacing: 0.05pt;"> </span>frequency,<span style="letter-spacing: 0.1pt;"> </span>the<span style="letter-spacing: 0.1pt;"> </span>greater<span style="letter-spacing: 0.2pt;"> </span>is<span style="letter-spacing: 0.2pt;"> </span>the<span style="letter-spacing: 0.35pt;"> </span>light output.</p><p class="MsoBodyText" style="margin: 0in 63.1pt 0.0001pt 11pt; text-align: justify;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: 0.05pt; text-align: justify;">Note: Some LCD Monitor design has
the Buck type P-channel FET<span style="letter-spacing: 0.05pt;"> </span>integrated
into an IC thus in order to successfully testing them you can<span style="letter-spacing: -3.35pt;"> </span>use<span style="letter-spacing: -0.15pt;"> </span>the<span style="letter-spacing: -0.1pt;"> </span>comparison<span style="letter-spacing: -0.1pt;"> </span>method<span style="letter-spacing: -0.1pt;"> </span>with<span style="letter-spacing: -0.35pt;"> </span>another<span style="letter-spacing: -0.2pt;">
</span>known<span style="letter-spacing: -0.1pt;"> </span>good<span style="letter-spacing: 0.15pt;"> </span>FET<span style="letter-spacing: -0.25pt;"> </span>(comparing<span style="letter-spacing: -3.35pt;"> </span>the ohms value between pins) or by using
the Peak Atlas Analyzer test<span style="letter-spacing: -3.35pt;"> </span>equipment.<span style="letter-spacing: 0.1pt;"> </span>The<span style="letter-spacing: 0.05pt;"> </span>IC<span style="letter-spacing: 0.05pt;"> </span>can<span style="letter-spacing: -0.2pt;"> </span>be<span style="letter-spacing: 0.25pt;"> </span>in<span style="letter-spacing: -0.25pt;"> </span>Dual<span style="letter-spacing: -0.05pt;"> </span>in<span style="letter-spacing: 0.05pt;"> </span>Line<span style="letter-spacing: 0.05pt;"> </span>package<span style="letter-spacing: 0.05pt;">
</span>or<span style="letter-spacing: -0.1pt;"> </span>SMD<span style="letter-spacing: 0.1pt;"> </span>type.</p><p class="MsoBodyText" style="margin: 0in 67.45pt 0.0001pt 11pt; text-align: justify;"><o:p></o:p></p></div><div class="separator" style="clear: both; text-align: justify;"><br /></div></div><p></p>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-86119601130421478442023-01-05T19:54:00.001+07:002023-01-05T19:54:44.786+07:00Understanding LCD Monitor Power Supply Board<p>The switch mode power supply
used to power up LCD Monitor can be<span style="letter-spacing: 0.05pt;"> </span>either<span style="letter-spacing: -0.15pt;"> </span>the<span style="letter-spacing: -0.05pt;"> </span>external<span style="letter-spacing: -0.35pt;"> </span>or<span style="letter-spacing: 0.1pt;"> </span>internal<span style="letter-spacing: -0.35pt;"> </span>type.<span style="letter-spacing: 0.05pt;"> </span>The<span style="letter-spacing: 0.2pt;"> </span>function<span style="letter-spacing: -0.3pt;">
</span>of<span style="letter-spacing: -0.1pt;"> </span>the<span style="letter-spacing: -0.05pt;"> </span>power<span style="letter-spacing: -0.15pt;"> </span>supply<span style="letter-spacing: -0.05pt;"> </span>is<span style="letter-spacing: 0.05pt;"> </span>to<span style="letter-spacing: -3.35pt;"> </span>convert the main supply AC 230 volts
into DC output voltages to supply<span style="letter-spacing: 0.05pt;"> </span>to
the<span style="letter-spacing: 0.35pt;"> </span>necessary<span style="letter-spacing: -0.15pt;"> </span>boards<span style="letter-spacing: 0.15pt;"> </span>in<span style="letter-spacing: 0.05pt;"> </span>LCD<span style="letter-spacing: 0.05pt;"> </span>Monitor.</p><p class="MsoBodyText" style="margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 10.95pt; margin-right: 56.35pt; margin-top: 17.25pt;"><o:p></o:p></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhMUTb6rLVYsL7mynOc8asSblC3prYgPURl3TLUrcArPMEiq2VRHoQH5HY8xjoLZE6v9hVYkebjN6Rhu2xOCJ1LalisyMm7_qC2SpWRCz-dzmNZnYvmemBRd36KaUkDMLQ-FYg8GPwEWlEI3OtsD0Rnfkcx4u3UFOZyiDghFiAOxku_v6uobLvyrElY2A" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="552" data-original-width="866" height="204" src="https://blogger.googleusercontent.com/img/a/AVvXsEhMUTb6rLVYsL7mynOc8asSblC3prYgPURl3TLUrcArPMEiq2VRHoQH5HY8xjoLZE6v9hVYkebjN6Rhu2xOCJ1LalisyMm7_qC2SpWRCz-dzmNZnYvmemBRd36KaUkDMLQ-FYg8GPwEWlEI3OtsD0Rnfkcx4u3UFOZyiDghFiAOxku_v6uobLvyrElY2A" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;">Schema</div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEj4_j1CXJQzdsXdX9VCfJyCQXprlzfl7W14syZGyOTK0WK0A479mNNUSHzoptqzr9g5Ti7IYmvTipsJyNUpMwc8d1rCtBirTUdhpI5OkhwJizYQWP4Ecycvp5NxeQ_fl9cME-iWGBxiPj2r5OuCVl8dn7hb1AFmm5RG9lafHkSn3Pt6n6kTuyuEQcZB3w" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="546" data-original-width="629" height="278" src="https://blogger.googleusercontent.com/img/a/AVvXsEj4_j1CXJQzdsXdX9VCfJyCQXprlzfl7W14syZGyOTK0WK0A479mNNUSHzoptqzr9g5Ti7IYmvTipsJyNUpMwc8d1rCtBirTUdhpI5OkhwJizYQWP4Ecycvp5NxeQ_fl9cME-iWGBxiPj2r5OuCVl8dn7hb1AFmm5RG9lafHkSn3Pt6n6kTuyuEQcZB3w=w320-h278" width="320" /></a></div><p style="text-align: center;">LCD Power Supply Board</p><p></p><p class="MsoBodyText"><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">230 Volts AC supply enters the power supply and to the
bridge rectifier</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">ac pins</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.1pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">(normally is</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.1pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">the</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">2</span><sup style="font-family: "Times New Roman", "serif";">nd</sup><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">and</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">the</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">3</span><sup style="font-family: "Times New Roman", "serif";">rd</sup><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;"> leg).</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.1pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">The</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">AC</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">supply is</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.1pt;">
</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">then</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">converted into DC output
voltage (about 300 VDC-in USA about 155</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">VDC)
where the big filter capacitor filtered off the ripple so that the</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">power</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.25pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">supply</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.35pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">will</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.15pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">have</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">a</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">nice</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.1pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">constant</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.15pt;">
</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">of</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.2pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">DC</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">voltage.</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">This</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.2pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">high</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.15pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">voltage</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -3.35pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">DC supply is then given to a switching
power FET Transistor. This</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">switching
FET transistor circuit is switched on and off at a very high</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">speed by a control circuit (power IC)
which generates very high</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.05pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">frequency</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: -0.2pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">square</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.15pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">wave</span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt; letter-spacing: 0.15pt;"> </span><span style="font-family: "Times New Roman", "serif"; font-size: 11pt;">pulses.</span></p><p class="MsoBodyText"></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEj4FhtOwIY18rTcDt_zGTb6L8hIGc790HRV7D2TjNil0uKaIWAL4y2DHT0WyhKn5lkrh1CMksXANxnKW0XVRogZ3sziINlDnbejSNh_rc8eXzs-e3MggVRyErKB-Q3SArzxKn4jCfyjxC7bMF-9yb1rSDxg_DlzqHQJ5mT2TAseKaYoBmV6UGRApFx22w" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="600" data-original-width="571" height="320" src="https://blogger.googleusercontent.com/img/a/AVvXsEj4FhtOwIY18rTcDt_zGTb6L8hIGc790HRV7D2TjNil0uKaIWAL4y2DHT0WyhKn5lkrh1CMksXANxnKW0XVRogZ3sziINlDnbejSNh_rc8eXzs-e3MggVRyErKB-Q3SArzxKn4jCfyjxC7bMF-9yb1rSDxg_DlzqHQJ5mT2TAseKaYoBmV6UGRApFx22w=w304-h320" width="304" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: justify;"><u>The<span style="letter-spacing: -.1pt;"> </span>power<span style="letter-spacing: .05pt;"> </span>FET<span style="letter-spacing: -.25pt;"> </span>and<span style="letter-spacing: -.1pt;"> </span>power<span style="letter-spacing: -.2pt;"> </span>IC (UC3842B</u><span style="text-align: justify;">The</span><span style="letter-spacing: -0.15pt; text-align: justify;"> </span><span style="text-align: justify;">switching</span><span style="letter-spacing: 0.15pt; text-align: justify;"> </span><span style="text-align: justify;">FET</span><span style="letter-spacing: -0.25pt; text-align: justify;"> </span><span style="text-align: justify;">transistor</span><span style="letter-spacing: -0.2pt; text-align: justify;"> </span><span style="text-align: justify;">circuit</span><span style="letter-spacing: -0.1pt; text-align: justify;"> </span><span style="text-align: justify;">switches the</span><span style="letter-spacing: -0.15pt; text-align: justify;"> </span><span style="text-align: justify;">given</span><span style="letter-spacing: -0.1pt; text-align: justify;"> </span><span style="text-align: justify;">high</span><span style="letter-spacing: -0.1pt; text-align: justify;"> </span><span style="text-align: justify;">voltage</span><span style="letter-spacing: -0.1pt; text-align: justify;">
</span><span style="text-align: justify;">DC,</span><span style="letter-spacing: -3.35pt; text-align: justify;"> </span><span style="text-align: justify;">on and off at the same
high frequency and gives square wave pulses as</span><span style="letter-spacing: 0.05pt; text-align: justify;">
</span><span style="text-align: justify;">the</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">output.</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">These</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">square</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">wave</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">pulses</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">are</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">then
given</span><span style="letter-spacing: -0.25pt; text-align: justify;"> </span><span style="text-align: justify;">to the</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">primary</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">winding of
Switch Mode Power Transformer. These pulses induce a</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">voltage at the primary winding of the transformer which will
generate</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">voltage at the secondary
winding. This voltage at the secondary winding</span><span style="letter-spacing: 0.05pt; text-align: justify;">
</span><span style="text-align: justify;">is</span><span style="letter-spacing: 0.1pt; text-align: justify;"> </span><span style="text-align: justify;">then</span><span style="letter-spacing: -0.2pt; text-align: justify;"> </span><span style="text-align: justify;">rectified</span><span style="letter-spacing: 0.05pt; text-align: justify;"> </span><span style="text-align: justify;">and</span><span style="letter-spacing: 0.3pt; text-align: justify;"> </span><span style="text-align: justify;">filtered</span><span style="letter-spacing: 0.05pt; text-align: justify;">
</span><span style="text-align: justify;">to produce</span><span style="letter-spacing: 0.1pt; text-align: justify;"> </span><span style="text-align: justify;">the</span><span style="letter-spacing: 0.1pt; text-align: justify;"> </span><span style="text-align: justify;">required</span><span style="letter-spacing: 0.05pt; text-align: justify;">
</span><span style="text-align: justify;">output.</span></div><p></p><div class="WordSection1"><p class="MsoBodyText" style="margin: 4.35pt 62.55pt 0.0001pt 11pt; text-align: justify;"><o:p></o:p></p>
<p class="MsoBodyText" style="margin-top: 0.05pt; text-align: justify;">The build in power supply have
output of usually 12 volts and 5 volts<span style="letter-spacing: 0.05pt;"> </span>where<span style="letter-spacing: -0.1pt;"> </span>the<span style="letter-spacing: -0.1pt;"> </span>12<span style="letter-spacing: 0.15pt;"> </span>volts<span style="letter-spacing: -0.05pt;"> </span>enters<span style="letter-spacing: -0.05pt;"> </span>the<span style="letter-spacing: 0.1pt;"> </span>inverter<span style="letter-spacing: -0.2pt;"> </span>IC<span style="letter-spacing: -0.1pt;"> </span>and<span style="letter-spacing: -0.05pt;"> </span>also<span style="letter-spacing: -0.15pt;"> </span>audio<span style="letter-spacing: -0.05pt;"> </span>power<span style="letter-spacing: -0.25pt;">
</span>amp<span style="letter-spacing: -0.05pt;"> </span>IC.The 5 volts
will go through one or two voltage regulators to get the 3.3<span style="letter-spacing: -3.35pt;"> </span>and<span style="letter-spacing: -0.1pt;"> </span>2.5<span style="letter-spacing: -0.1pt;"> </span>volts to<span style="letter-spacing: -0.05pt;">
</span>power<span style="letter-spacing: -0.2pt;"> </span>the<span style="letter-spacing: -0.1pt;"> </span>Scalar<span style="letter-spacing: -0.15pt;">
</span>IC, MCU, EEprom<span style="letter-spacing: -0.35pt;"> </span>and<span style="letter-spacing: -0.1pt;"> </span>even<span style="letter-spacing: -0.35pt;"> </span>the<span style="letter-spacing: 0.15pt;"> </span>LCD<span style="letter-spacing: -3.35pt;"> </span>driver/controller
board.</p></div><p class="MsoBodyText" style="margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 11.0pt; margin-right: 72.4pt; margin-top: 3.65pt; text-align: justify;"><o:p></o:p></p><p class="MsoBodyText"></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgUWrz8zOfnK1IzJQROu-7ccLruDO-6zio23s_DL7evzlWBXTDYsQwQM4gLzYEAJW_mso1__hJE5gRqtkx6aDcFjPaFtG1Dxps6gqmaBOH5e9hljrPMwtdXjNwoedAhbPZ2vyEa1D0bRss3W-vT6jY-fgxIE_AO-wQFQjY8V1foQnFDL-ww5RTqn1zWJw" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="420" data-original-width="653" height="206" src="https://blogger.googleusercontent.com/img/a/AVvXsEgUWrz8zOfnK1IzJQROu-7ccLruDO-6zio23s_DL7evzlWBXTDYsQwQM4gLzYEAJW_mso1__hJE5gRqtkx6aDcFjPaFtG1Dxps6gqmaBOH5e9hljrPMwtdXjNwoedAhbPZ2vyEa1D0bRss3W-vT6jY-fgxIE_AO-wQFQjY8V1foQnFDL-ww5RTqn1zWJw" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><u>The power<span style="letter-spacing: .1pt;"> </span>FET<span style="letter-spacing: -.2pt;"> </span>transistor<span style="letter-spacing: -.15pt;"> </span>already<span style="letter-spacing: -.05pt;">
</span>integrated<span style="letter-spacing: -.05pt;"> </span>into the power<span style="letter-spacing: -.15pt;"> </span>IC</u></div><p></p><p class="MsoBodyText" style="margin: 13.25pt 0in 0.0001pt 43.35pt; text-align: center;"><o:p></o:p></p><p class="MsoBodyText" style="margin-top: .25pt;">Please<span style="letter-spacing: -0.15pt;"> </span>take<span style="letter-spacing: -0.1pt;"> </span>note<span style="letter-spacing: -0.1pt;"> </span>that<span style="letter-spacing: 0.1pt;"> </span>many<span style="letter-spacing: -0.1pt;"> </span>latest<span style="letter-spacing: -0.15pt;">
</span>designs<span style="letter-spacing: -0.05pt;"> </span>of<span style="letter-spacing: -0.2pt;"> </span>LCD<span style="letter-spacing: -0.1pt;"> </span>Monitor<span style="letter-spacing: -0.2pt;"> </span>power<span style="letter-spacing: -0.25pt;"> </span>supply<span style="letter-spacing: -3.35pt;"> </span>designs have the switching power FET
transistor already integrated into<span style="letter-spacing: -3.35pt;"> </span>the
power IC thus you will not find the power FET in the power supply<span style="letter-spacing: 0.05pt;"> </span>board.</p><p class="MsoBodyText" style="margin-bottom: .0001pt; margin-bottom: 0in; margin-left: 10.95pt; margin-right: 68.65pt; margin-top: 4.35pt;"><o:p></o:p></p><p class="MsoBodyText">
<br /></p>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-30265393115219795482021-09-09T20:45:00.003+07:002021-09-09T20:45:57.327+07:00Skema Power Supply ATX Merek Sunny <p> </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgiV0AwEGw1H9V8l9Yyh0t6SGuW_hmo5FjhFO86wlLRCbC6frrpad_Ci8VINcByXUgJAg5O2HPSoIWWBvFxGWs-XjxiZACn30aQRMHNaxl5tbYAS7hkcx-3HUsm2t6VX8EILEZhsPn-kEOG/s2035/skema+power+supply+atx+sunny.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1381" data-original-width="2035" height="271" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgiV0AwEGw1H9V8l9Yyh0t6SGuW_hmo5FjhFO86wlLRCbC6frrpad_Ci8VINcByXUgJAg5O2HPSoIWWBvFxGWs-XjxiZACn30aQRMHNaxl5tbYAS7hkcx-3HUsm2t6VX8EILEZhsPn-kEOG/w400-h271/skema+power+supply+atx+sunny.png" width="400" /></a></div><p></p><p>Ini adalah skema power supply atx computer merek Sunny, siapa tau cobat teknisi ada yang memerlukannya. Saya coba hidupkan kembali blog yang telah lama istirahat dikarenakan kesibukan, semoga bermanfaat.</p><p><br /></p><p><br /></p>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-14599990906628788092017-09-23T08:18:00.000+07:002017-09-23T08:18:58.845+07:00Jenis-jenis Resistor Gambar Dan SimbolnyaResistor atau disebut juga dengan Hambatan adalah Komponen Elektronika Pasif yang berfungsi untuk menghambat dan mengatur arus listrik dalam suatu rangkaian Elektronika. Satuan Nilai Resistor atau Hambatan adalah Ohm (Ω). Nilai Resistor biasanya diwakili dengan Kode angka ataupun Gelang Warna yang terdapat di badan Resistor. Hambatan Resistor sering disebut juga dengan Resistansi atau Resistance.<br />
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Jenis-jenis Resistor gambar dan simbolnya dalam rangkaian diantaranya :<br />
<br />
1. Resistor yang nilainya tetap.<br />
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2. Resistor yang nilainya dapat diatur, Resistor Jenis ini sering disebut juga dengan Variable Resistor ataupun Potensiometer.<br />
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3. Resistor yang nilainya dapat berubah sesuai dengan intensitas cahaya, Resistor jenis ini disebut dengan LDR atau Light Dependent Resistor<br />
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4. Resistor yang milainya dapat berubah sesuai dengan perubahan suhu, Resistor jenis ini disebut dengan PTC (Positive Temperature Coefficient) dan NTC (Negative Temperature Coefficient).<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgployeafZJYSTzZ5oVt1Gu4SrhAPbJ9g9r9-Q8Bao3n2_OB0hot_OogkB8z3r3xoa0VR4pxgONgql0zrTYWLJjwRSKvSHtyVqU5upRI7n0W4OcJC6vba8sGeLf1zQxVQrllZ8smjwDLvcG/s1600/jenis+resistor+dan+gambarnya.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="481" data-original-width="535" height="358" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgployeafZJYSTzZ5oVt1Gu4SrhAPbJ9g9r9-Q8Bao3n2_OB0hot_OogkB8z3r3xoa0VR4pxgONgql0zrTYWLJjwRSKvSHtyVqU5upRI7n0W4OcJC6vba8sGeLf1zQxVQrllZ8smjwDLvcG/s400/jenis+resistor+dan+gambarnya.jpg" width="400" /></a></div>
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<br />Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-50786199747823150672017-09-23T08:10:00.002+07:002017-09-23T08:10:59.760+07:00Jenis Jenis Dioda Dan GambarnyaJenis-jenis Dioda dan Pengertiannya – Dioda atau dalam bahasa Inggris disebut dengan Diode adalah komponen elektronika yang dapat menghantarkan arus listrik ke satu arah saja. Jika arah arusnya terbalik, maka Dioda akan menghambat arus listrik tersebut. Karena sifatnya yang dapat menghantarkan arus listrik ke satu arah (forward bias) dan menghambat arus listrik dari arah sebaliknya (reverse bias), dioda yang terbuat dari bahan semikonduktor ini sering digunakan sebagai penyearah bentuk gelombang (wave rectifier) dalam pencatu daya dan detektor radio.<br />
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Dioda juga sering digunakan pada rangkaian-rangkaian listrik dan elektronika yang memerlukan hasil “satu arah”. Bahan semikonduktor yang sering digunakan untuk membuat Dioda adalaah bahan Silikon (Si) dan bahan Germanium (Ge).<br /><br />Pada awal penemuannya, perangkat yang menghantarkan arus listrik ke satu arah dan menghambat dari arah sebaliknya ini disebut dengan nama Rectifier atau Penyearah. Nama Dioda ini pertama kali diperkenalkan oleh William Henry Eccles pada tahun 1919. Istilah Dioda ini berasal dari kata “Di” yang artinya adalah “dua” dan kata “ode” yang artinya adalah “jalur”.<br />
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Jenis-jenis Dioda (Diode)<br /><br />Seiring dengan perkembangan teknologi dan kebutuhan, Dioda kini telah memiliki banyak jenis dan masing-masing jenis memiliki fungsinya. Berikut dibawah ini adalah jenis-jenis Dioda dan penjelasan singkat pada jenis-jenis dioda tersebut.<br /><br />1. Dioda Normal (Dioda PN Junction)<br /><br />Dioda jenis ini merupakan dioda yang paling sering ditemui dalam rangkaian elektronika, terutama pada rangkaian pencatu daya (power supply) dan rangkaian frekuensi radio (RF). Dioda jenis ini disebut juga Dioda Normal (Normal Diode) karena merupakan dioda standar yang paling umum digunakan ataupun Dioda Penyearah (Rectifier Diode) karena biasanya digunakan sebagai penyearah pada Pencatu Daya. Dioda ini juga dikenal dengan nama PN Junction Diode.<br />
<br />2. Dioda Bridge (Bridge Diode)<br /><br />Dioda Bridge pada dasarnya adalah Dioda yang terdiri dari 4 dioda normal yang umumnya digunakan sebagai penyearah gelombang penuh dalam rangkaian Pencatu Daya (Power Supply). Dengan menggunakan Dioda Bridge ini, kita tidak perlu lagi merangkai 4 buah dioda normal menjadi rangkaian penyearah tegangan AC ke tegangan DC karena telah dikemas oleh produsen menjadi 1 komponen saja. Dioda Bridge ini memiliki 4 kaki terminal yaitu 2 kaki terminal Input untuk masukan tegangan/arus bolak-balik (AC) dan 2 kaki terminal untuk Output Positif (+) dan Output Negatif (-).<br />
<br />3. Dioda Zener (Zener Diode)<br /><br />Dioda Zener adalah jenis dioda yang dirancang khusus untuk dapat beroperasi di rangkaian reverse bias (bias balik). Karakteristik Dioda Zener ini adalah dapat melewatkan arus listrik pada kondisi bias terbalik (reverse bias) apabila tegangan mencapai titik tegangan breakdown-nya. Namun pada saat Forward bias (bias maju), Dioda Zener ini dapat menghantarkan arus listrik seperti Dioda normal pada umumnya. Dioda Zener dapat memberikan tegangan referensi yang stabil sehingga banyak digunakan sebagai pengatur tegangan (Voltage Regulator) pada pencatu daya (Power supply).<br />
<br />4. Dioda LED (Light Emitting Diode)<br /><br />Dioda LED atau Light Emitting Diode merupakan jenis dioda yang dapat memancarkan cahaya monokromatik ketika diberikan tegangan maju (Forward bias). LED ada yang berwarna merah, jingga, kuning, biru, hijau dan putih tergantung pada panjang gelombang (wavelength) dan jenis senyawa semikonduktor yang digunakannya. Dalam kehidupan sehari-hari, kita dapat menemukan aplikasi LED di lampu-lampu penerangan rumah maupun jalan raya, lampu indikator peralatan elektronik dan listrik, lampu dekorasi dan iklan serta backlight untuk TV LCD.<br />
<br />5. Dioda Foto (Photodiode)<br /><br />Dioda Foto atau Photodiode adalah jenis Dioda yang dapat mengubah energi cahaya menjadi arus listrik. Dioda Foto ini sering digunakan sebagai sensor untuk mendeteksi cahaya seperti pada sensor cahaya kamera, sensor penghitung kendaraan, scanner barcode dan peralatan medis. Dioda Foto ini dapat dibagi menjadi dua jenis yaitu Dioda Photovoltaic yang menghasilkan tegangan seperti sel surya dan Dioda Photoconductive yang tidak menghasilkan tegangan dan harus diberikan sumber tegangan lain untuk penggerak beban.<br />
<br />6. Dioda Laser (Laser Diode)<br /><br />Dioda Laser atau Laser Diode adalah jenis dioda yang dapat menghasilkan radiasi atau cahaya koheren yang dapat dilihat oleh mata dan spektrum inframerah ketika dialiri arus listrik. Dioda Laser ini sering digunakan pada perangkat audio/video seperti Player DVD dan Blueray, Laser pointer, Scanner Barcode, Alat ukur jarak dan Printer laser. LASER pada dasarnya adalah singkatan dari Light Amplification by Stimulated Emission of Radiation.<br />
<br />7. Dioda Varactor (Varactor Diode)<br /><br />Dioda Varactor atau kadang-kadang disebut juga dengan Dioda Varicap adalah jenis dioda yang memiliki sifat kapasitas yang berubah-ubah sesuai dengan tegangan yang diberikan. Dioda Varactor ini sering digunakan di rangkaian-rangkaian yang berkaitan dengan frekuensi seperti osilator, TV Tuner dan Radio Tuner. Simbol Dioda Varactor atau Dioda Varicap ini dilambangkan dengan sebuah dioda yang ujungnya ditambahkan sebuah kapasitor.<br />8. Dioda Tunnel (Tunnel Diode)<br /><br />Dioda Tunnel atau Dioda Terowongan adalah jenis dioda yang mampu beroperasi pada kecepatan yang sangat tinggi dan dapat berfungsi dengan baik pada gelombang mikro (Microwave). Dioda Tunnel ini biasanya digunakan di rangkaian pendeteksi frekuensi dan konverter. Dioda Tunner disebut juga dengan Dioda Esaki. Nama Esaki diambil dari nama penemu Dioda jenis ini.<br />
<br />9. Dioda Schottky (Schottky Diode)<br /><br />Dioda Schottky merupakan jenis dioda dengan tegangan maju yang lebih rendah dari dioda normal pada umumnya. Pada arus rendah, tegangan jatuh bisa berkisar diantara 0,15V hingga 0,4V. tegangan ini lebih rendah dari dioda normal yang terbuat dari silikon yang memerlukan 0,6V. Dioda ini banyak digunakan pada aplikasi rectifier (penyearah), clamping dan juga aplikasi RF.Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-84145493853247703592017-06-30T09:21:00.000+07:002017-06-30T09:21:38.058+07:00Cara Memperbaiki Tampilan Layar Notebook Terbagi 2<div class="separator" style="clear: both; text-align: center;">
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Tampilan layar lcd notebook terbagi 2? kadang berubah warna, tapi menggunakan lcd external bagus. Itu sering jadi pertanyaan pemilik laptop atau notebook yang bukan teknisi. Belum tau kerusakan dimana atau apanya yang rusak.<br />
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Itulah beberapa contoh dari tampilan yang terbelah dua di layar lcd notebook atau latop. Saya ambil contoh kerusakan yang terjadi pada note Acer. Jadi gak usah bingung menyimpulkan apa yang rusak. Yang jelas dan 100% pasti yang rusak LCD nya saja. Tinggal copot dan ganti yg baru pasti bagus.<br />
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Buat pemilik notebook yang mengalami kerusakan seperti gambar diatas, gak usah bingung berapa biaya servisnya, tinggal cari di google.com, masukan type notebook/laptop yang tampilan gambar pada lcdnya terbelah dua, nanti ada harganya, jika duitnya cukup bawa ketempat servis jika terasa mahal pikir lagi. Jadi punya gambaran biaya yang harus dikeluarkan.<br />
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Gimana? mau coba diganti sendiri jg bisa asal sabar.<br />
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<br />Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-89414897076531298572015-10-27T09:08:00.002+07:002015-10-27T09:08:29.811+07:00Helicopter Berkaki Robot Buatan DARPADARPA (Defense Advanced Research Projects Agency) dalam hubungannya dengan Georgia Institute of Technology telah mengembangkan chassis helikopter robot, secara signifikan dapat memperpanjang kondisi yang cocok untuk lepas landas dan pendaratan helikopter.<br />
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Sistem adaptif terdiri dari empat bantalan bergerak dengan sistem independen memperbaiki tinggi. <br />
Selama penerbangan, sasis otomatis melipat dibawah mesin. Pada setiap landing gear memiliki sensor kontak dengan permukaan, sementara komputer menganalisis data dari semua empat sensor secara real time, menentukan sudut terbaik dari masing-masing kaki untuk pendaratan.<br />
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Ketika mendarat di medan kasar, kaki robot helicopter ini mampu mengubah posisi sehingga helikopter terus berada pada posisi horizontal alias tidak miring. Fitur ini memungkinkan helikopter dapat mendarat di lereng atau di daerah pendaraan yang tidak rata.<br />
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Proyek ini dalam masa pengembangan dan sedang diuji pada helikopter tak berawak. Menurut situs DARPA, dibandingkan dengan jenis baru helikopter konvensional chassis, setidaknya lima kali mengurangi risiko cedera serius pada helikopter selama pendaratan keras. Selain itu juga helikopter yang dilengkapi dengan seperti chassis robot, akan dapat duduk di permukaan yang tidak rata <br />
dengan kemiringan 20 derajat (untuk batas helikopter konvensional adalah 10 derajat). Mekanisme kaki robot pada helicopter ini bekerja secara independen.Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-10759761222326386192015-07-04T00:54:00.001+07:002015-07-04T00:54:39.055+07:00Acer Iconia Tab W500 Schematics ( Skema Acer Iconia Tab W500 Gratis )<br />
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Acer Iconia Tab W500 Schematics ( Skema Acer Iconia Tab W500 Gratis ) <br />
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Spec : The Acer Iconia Tab W500, 10.1-inch capacitive touchscreen. <br />
The device features 2GB of RAM, 16GB or 32GB of on-board storage and USB and HDMI ports.<br />
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<b>Acer Iconia Tab W500 Schematics ( Skema Acer Iconia Tab W500 Gratis )</b><br />
Schematic diagram for Acer Iconia Tab W500 Tablet, Armani EAB00 AMD Brazos Platform Rev. 2.0<br />
CPU: AMD FUSION APU Ontario<br />
Chipset: AMD FCH HUDSON-M1<br />
OEM: PEGATRON<br />
Project Name: EAB00<br />
REV: 2.0<br />
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Link download "Acer Iconia Tab W500 Schematics ( Skema Acer Iconia Tab W500 Gratis )"<br />
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<a href="http://adf.ly/1KDSJe"><span style="font-size: large;">DOWNLOAD</span></a>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-1826839079235874142014-12-08T19:28:00.001+07:002014-12-08T19:28:35.606+07:00Cara Mudah Memperbaiki Notebook Toshiba L510 A300 Bluescreen HangAnda pemakai notebook toshiba satelite L510? Sering mengalami bluesreen? seolah olah windows-7 notebook anda ada masalah kerusakan sistem,atau notebook sering hang, atau gambar pecah pecah jika adaptor terpasang. Bukan yang awam mungkin masih menganalisa kemungkinan kerusakannya, coba install ulang windows-7, kadang berhasil kadang tidak sampai finish.<br />
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Awalnya perkiraan kerusakan notebook toshiba L510 pasti HDD,Memory, atau Fan cooler tidak berfungsi maksimal. Setelah dilakukan pengeceakan ternyata tidak ada perubahan. Coba otak atik sistem bios toshiba dengan mencoba melakukan perubahan setting dari AHCI ke IDE compatible, tetep saja tidak ada perubahan. Coba rubah setting core dari Dinamic ke low core, sama saja.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9idPsyIOjzdGSrzazadvq1ofil0XwfoYvTkfpwuhPci5OSfBAI4O-9NNmJ8mYOrH2fdI0vrxgdSmQS2EBEJPB_IJEMGpingyqNzEKBuAWNq3Qp5nDXTAzKgtSNb9m6pv5JiVusHKxTbul/s1600/nec+tokin+toshiba+l510.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg9idPsyIOjzdGSrzazadvq1ofil0XwfoYvTkfpwuhPci5OSfBAI4O-9NNmJ8mYOrH2fdI0vrxgdSmQS2EBEJPB_IJEMGpingyqNzEKBuAWNq3Qp5nDXTAzKgtSNb9m6pv5JiVusHKxTbul/s1600/nec+tokin+toshiba+l510.jpg" height="229" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioCIu2O_YQTPE-xNJxQnvDKGQB4l6VqAwzv7O01r6gQMn0_gGx5Oul9-O0tnx_v-pwjqtCkpESFRNJ1VHR9fEtIaGu8cBurxnZ_R4RlGpUS9uYP2RUvcHA_yFjgugxjHWhnFfnRB6GXs5G/s1600/capasitor+pengganti+nec+tokin+toshiba+l510.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioCIu2O_YQTPE-xNJxQnvDKGQB4l6VqAwzv7O01r6gQMn0_gGx5Oul9-O0tnx_v-pwjqtCkpESFRNJ1VHR9fEtIaGu8cBurxnZ_R4RlGpUS9uYP2RUvcHA_yFjgugxjHWhnFfnRB6GXs5G/s1600/capasitor+pengganti+nec+tokin+toshiba+l510.jpg" height="251" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAchHY59A8qSfE3nvbMbx8Exxuvopa2Bm1ml_HGekGqkzV79cTZHCQ_Ex3Dzu2YfaUhwzYLlCZuEYEDOZXSsb3s5mjmut6kp5-tZX2aKifk6GFJ03tmECmXzLFMvg-7Q4Abm1idJXVNtvm/s1600/cara+mudah+memperbaiki+toshiba+L510+bluesreen.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAchHY59A8qSfE3nvbMbx8Exxuvopa2Bm1ml_HGekGqkzV79cTZHCQ_Ex3Dzu2YfaUhwzYLlCZuEYEDOZXSsb3s5mjmut6kp5-tZX2aKifk6GFJ03tmECmXzLFMvg-7Q4Abm1idJXVNtvm/s1600/cara+mudah+memperbaiki+toshiba+L510+bluesreen.jpg" height="220" width="320" /></a></div>
<br />
Tapi jika ketemu masalah yang sama pada notebook lain pasti tidak jauh beda. Jika notebook tersebut<br />
pada mainboard atau motherboardnya menggunakan NEC Tokin entah itu OE907 atau OE128. Artinya nec tokin yang digunakan mulai bermasalah, Nec tokin ini letaknya dibawah soket prosesor.<br />
<br />
Buat yang males mikir pasti cari jawaban mudah ganti motherboard toshiba dengan yang baru.<br />
Tapi ingin kreatif coba deh perbaiki sendiri, tidak begitu sulit tapi yang penting mesti sabar dan hati hati.<br />
<ol>
<li>Siapkan kapasitor tantalum 330 sebanyak 4 buah.</li>
<li>Lepas batere dari tempatnya.</li>
<li>Lepas Hdd, dilanjutkan keyboard.</li>
<li>Bongkar notebook toshiba L510, A300 atau L200 yang rusak.</li>
<li>Cari posisi Nec Tokin OE907 dibawah soket prosesor.</li>
<li>Lepaskan Nec Tokin dengan blower ( jika tidak punya coba disobek dengan solder biasa ) harus hati hati.</li>
<li>Jika sudah terlepas, coba pasang kapasitor tantanlum 330 satu demi satu untuk mengganti nec tokin tadi.</li>
<li> ( jika banyak spare nec tokin, ganti nec tokin dengan yang baru ), jika tidak cara inipun maknyos mantep.</li>
<li>Pastikan arah kutub positip negatipnya tidak salah. ( lihat pada gambar )</li>
<li>Selesai, coba pasang dan lakukan pengetesan, booting awal yang langsung hang ( bluesreen ) kini tidak lagi.</li>
<li>Ada baiknya Windowsnya di install baru agar lebih fresh.</li>
</ol>
Demikian tips dari skema-notebook.blogspot.com, cara memperbaiki toshiba yang sering hang, blue screen, gambar pecah pecah seperti vga rusak. Semoga bermanfaat.<br />
<br />
Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com6tag:blogger.com,1999:blog-8542881699404885095.post-55216679312285301632014-12-01T20:14:00.000+07:002014-12-01T20:14:00.604+07:00Skema Notebook Toshiba L450D Compal LA-5831<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2Us5OvGSUqZSNoS34a-L0BMDKjbvGPcSm3Mi5bLMZcGqcsUq1ScCSmPtDV6Wm0h3gCUJs_L3dva-dQwxfc4XLDwIPioXY_JinEHR_edtwrPTbue2g5nPb2ZtZb5s4O8dvrm3Q7mDEBQFB/s1600/skema+notebook+toshiba+L450D+Compal+LA-5831+.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2Us5OvGSUqZSNoS34a-L0BMDKjbvGPcSm3Mi5bLMZcGqcsUq1ScCSmPtDV6Wm0h3gCUJs_L3dva-dQwxfc4XLDwIPioXY_JinEHR_edtwrPTbue2g5nPb2ZtZb5s4O8dvrm3Q7mDEBQFB/s1600/skema+notebook+toshiba+L450D+Compal+LA-5831+.jpg" height="315" width="400" /></a></div>
<br />
Download Skema Notebook Toshiba L450D gratis disini, buat semua rekan teknisi laptop/notebook<br />
yang butuh skema laptop atau notebook bisa download gratis disini, semoga bermanfaat.<br />
<br />
Spesifikasi :<br />
Motherboard CPU: AMD SIG2<br />
North Bridge: ATI RS780MN/RS780MC<br />
South Bridge: ATI SB700<br />
OEM: Compal Electronics, Inc<br />
Document Number: LA-5831P<br />
Model Name: NBWAE<br />
Revison: 1.0<br />
<br />
<b><a href="http://adf.ly/uqQw0">DOWNLOAD</a></b>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-36458341983239643542013-02-28T19:53:00.004+07:002013-02-28T19:53:45.099+07:00Charger Nicad Batere SederhanaThis simple charger uses a single transistor as a constant current source. The voltage across the pair of 1N4148 <a class="kLink" href="http://www.epanorama.net/zen_schematics/Circuits/Power/nicad.html#" id="KonaLink1" style="font-family: inherit !important; font-size: inherit !important; font-weight: inherit !important; position: static; text-decoration: underline !important;"><span style="color: blue; font-family: inherit !important; font-size: inherit !important; font-weight: inherit !important; position: static;"><span class="kLink" style="color: blue !important; font-family: inherit !important; font-size: inherit !important; font-weight: inherit !important; position: static;">diodes</span></span></a>
biases the base of the BD140 medium power transistor. The base-emitter
voltage of the transistor and the forward voltage drop across the diodes
are relatively stable. The charging current is approximately 15mA or
45mA with the switch closed. This suits most 1.5V and 9V rechargeable
batteries. The transformer should have a secondary rating of 12V ac at
0.5amp, the primary should be 220/240volts for Europe or 120volts ac for
North America.<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8S4qHaLYc71eiuNSu9YIwnyp02Q8iiMA6wteivZIe4cGKYgZnRFecd5LyWeBc-Dgj2JBxmdLh6ANcvRRSBBrn482LYB3ik1jiHPBfv7pPypkj_Z75TSzHCLDYlNVT0qFsXi4KSsnakG6d/s1600/charger+batere+nicad.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="charger nicad batere sederhana" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8S4qHaLYc71eiuNSu9YIwnyp02Q8iiMA6wteivZIe4cGKYgZnRFecd5LyWeBc-Dgj2JBxmdLh6ANcvRRSBBrn482LYB3ik1jiHPBfv7pPypkj_Z75TSzHCLDYlNVT0qFsXi4KSsnakG6d/s400/charger+batere+nicad.gif" /></a></div>
<br />
<b><span style="color: red;"><u>Warning</u></span></b>
<br />
Please take care with this circuit. Use a voltmeter to observe correct
polarity. Nicads can explode if short circuited or connected with the
wrong polarity.
Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-64593543072943670062013-02-28T12:58:00.001+07:002013-02-28T12:58:32.063+07:00Pint Out Ic Vertical<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitlfS7G7qQ3Q8qOsgUd68U_2ym4MGx2-KEEsUcV1q4ULvoQe2GU-X7yT2PSOHk-rDoqdUuPHBEQgbdXOGfWPCqOj-06QQEBCDGjH_jKCymJJWgr0GvBWO2Es-whRYem03OrzBzNja1ROW9/s1600/Vertical+IC+PIN-OUT.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitlfS7G7qQ3Q8qOsgUd68U_2ym4MGx2-KEEsUcV1q4ULvoQe2GU-X7yT2PSOHk-rDoqdUuPHBEQgbdXOGfWPCqOj-06QQEBCDGjH_jKCymJJWgr0GvBWO2Es-whRYem03OrzBzNja1ROW9/s1600/Vertical+IC+PIN-OUT.jpg" /></a></div>
<br />
Vertical IC PIN-OUT DATA<br />AN5521 Vin = 4, Vout = 2, Vcc = 7, Gnd = 1, VfB =<br />AN5522 Vin = 7, Vout = 5, Vcc = 2, Gnd = 4, VfB = 1<br />AN5539 Vin = 4, Vout = 2, Vcc = 6, Gnd = 1, VfB = 5<br />AN15525 Vin = 7, Vout = 5, Vcc = 2, Gnd = 4, VfB = 1<br /><br />LA7832 Vin = 4, Vout +2, Vcc = 6, Gnd = 1, VfB = 5<br />LA7835 = 2 Vin, Vout = 11, Vcc1 = 1, Vcc2 = 7,<br />LA7837 = 2 Vin, Vout = 12, Vcc1 = 1, Vcc2 = 8, Gnd = 11, VfB = 7<br />LA7838 = LA7837<br />LA7840 Vin = 4, Vout = 2, Vcc = 6, Gnd = 1, VfB = 5<br />LA7841 = LA7840<br />LA7845 = LA7840<br />LA7846 = 5 Vin, Vout = 3, Vcc = 7, Gnd = 2, VfB = 6<br />LA7848 Vina = 5, VinB = 6, Vout = 3, Vcc (+) = 7, Vcc (-) = 2<br />LA7876 Vina = 5, VinB = 6 Vcc (+) = 7, Vcc (-) = 2<br /><br />STV9302 = see AN5522<br />STV9379 = See AN5522<br /><br />TA8403 Vin = 4, Vout = 2, Vcc = 6, Vcc = 6,<br />TA8445 Vin = 2, Vout = 11, Vcc1 = 1 (<span class="IL_AD" id="IL_AD7">9v</span>), Vcc2 = 7 (26v), Gnd = 10, 50/60 =<br /><br />TDA1771 Vin = 3, Vout = 1, Vcc = 9. Gnd = 5<br />TDA4865 Vin = 6, Vout = 5, Vcc = 1, Gnd = 4, VfB = 2<br />TDA8175 Vin = 7, Vout = 5, Vcc = 2, VfB = 1<br />TDA3653 Vin1 = 1, Vin2 = 3, Vcc1 = 9, Vcc2 = 6, Vou = 5, Gnd = 4<br />TDA8350 Vina = 1, VinB = 2, VoutA = 10, VoutB =, Vcc1 = 3, Vcc2 = 9, Ewin = 12, Ewout = 11<br />See tda8357 TDA8351 =<br />See TDA8357 TDA8356 =<br />TDA8357 Vina = 1, VinB = 2, VoutA = 7, VoutB = 4, Vcc1 = 3 (12v), Vcc2 = 6 (45V), Gnd = 5<br />TDA8358 Vina = 1, VinB = 2, Vcc1 = 3 (12v), Vcc2 = 9 (25V), VoutA = 4, VoutB = 10, Gnd = 6.7, Ewin = 5, Ewout = 8<br />TDA9302 = see LA78040
Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-41719813813272363082013-02-28T12:50:00.001+07:002013-02-28T12:50:58.568+07:0012V to 220V Converter<div align="justify">
This DIY 12V to 220V <span class="IL_AD" id="IL_AD1">voltage converter</span> is build with CMOS 4047 that is the main component of this small voltage converter that transforms a 12V DC into <span class="IL_AD" id="IL_AD5">220V AC</span>.
4047 is used as a astable mutivibrator, at pins 10 and 11 will have a
symmetrical rectangular signal wich is amplified b 2 Darlington
transistors and finally reach the secondary coil of mains transformer (
2x10V / 60VA ).<br /><a href="http://www.blogger.com/blogger.g?blogID=8542881699404885095" name="more"></a></div>
<div class="separator" style="clear: both; text-align: center;">
<img border="0" height="288" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLgkusWFgsB3Jv3bqLQhkuZVR4DQ9IjzvyM0y0BUPS4R0EN2SnL7MFX8frH1k2bvrPeKJKynRREyw_wWoX9c5y5fZD-RjRC710sIxsSPXp6ZW-bvc4mSO5OBVdqDiuvo0BYhD30UF2r4if/s400/12V-220V-converter.png" width="400" /></div>
<div align="justify">
<br /></div>
<div align="justify">
At the main voltage converter
transformer terminals it will be 220V. With the help of P1 the output
frequency can be adjusted between 50Hz to 400Hz. Although this is not
part of any professional dc ac converters it can be used quite effective
on some <span class="IL_AD" id="IL_AD4">home appliances</span>.</div>
<div align="justify">
For more <span class="IL_AD" id="IL_AD2">DC to AC</span> voltage converters check the related posts.</div>
<div align="justify">
<br /></div>
<div align="justify">
</div>
<div align="justify">
Source : http://electroschematics.com/</div>
Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-443099955847962092013-02-27T09:20:00.003+07:002013-02-27T09:20:41.022+07:00Mengenal Dioda Elektronika<div style="text-align: justify;">
Dioda ialah jenis vacuum tube yang
memiliki dua buah elektroda. Dioda termasuk komponen elektronika yang
terbuat dari bahan semikonduktor. Beranjak dari penemuan dioda, para
ahli menemukan juga komponen turunan lainnya yang unik. Dioda memiliki <b>fungsi</b>
yang unik yaitu hanya dapat mengalirkan arus satu arah saja. Struktur
dioda tidak lain adalah sambungan semikonduktor P dan N. Satu sisi
adalah semikonduktor dengan tipe P dan satu sisinya yang lain adalah
tipe N. Dengan struktur demikian arus hanya akan dapat mengalir dari
sisi P menuju sisi N. </div>
<div style="text-align: justify;">
<br /></div>
<div style="text-align: justify;">
Dalam elektronika, dioda adalah komponen
aktif bersaluran dua (dioda termionik mungkin memiliki saluran ketiga
sebagai pemanas). Dioda mempunyai dua elektroda aktif dimana isyarat
listrik dapat mengalir, dan kebanyakan dioda digunakan karena
karakteristik satu arah yang dimilikinya. Sifat kesearahan yang dimiliki
sebagian besar jenis dioda seringkali disebut karakteristik
menyearahkan.
</div>
<div style="text-align: justify;">
<div style="text-align: justify;">
<i><b>Fungsi paling umum</b></i>
dari dioda adalah untuk memperbolehkan arus listrik mengalir dalam
suatu arah (disebut kondisi panjar maju) dan untuk menahan arus dari
arah sebaliknya (disebut kondisi panjar mundur). Karenanya, dioda dapat
dianggap sebagai versi elektronik dari katup pada transmisi cairan.</div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMkE9_X-5xiRPnWVEwFmoMMqfWHjuQ7Y-Hf-ZxnTvtq_pvgBY2B4lZn1Q4PUom6M757YtPthE_H1qb1a3BXhr3B0u-L6o_IRBQddujctCiCMdRivwK6fYvCpPeMa9SDLuE6bScsWpqZx7u/s1600/Dioda.jpeg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="190" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMkE9_X-5xiRPnWVEwFmoMMqfWHjuQ7Y-Hf-ZxnTvtq_pvgBY2B4lZn1Q4PUom6M757YtPthE_H1qb1a3BXhr3B0u-L6o_IRBQddujctCiCMdRivwK6fYvCpPeMa9SDLuE6bScsWpqZx7u/s320/Dioda.jpeg" width="320" /></a></div>
</div>
<div style="text-align: justify;">
</div>
<div style="text-align: justify;">
Dioda dapat ber-fungsi sebagai penyearah
sinyal tegangan AC menjadi sinyal DC. Dengan menggunakan sebuah dioda
dapat digunakan sebagai penyearah setengah gelombang, sebaliknya dengan
menggunakan 4 buah dioda yang dirangkai seperti jembatan dapat menjadi
penyearah gelombang penuh atau dapat dilakukan dengan menggunakan 2 buah
dioda dengan trafo yang memiliki center tap.</div>
<div class="wp-caption aligncenter" id="attachment_277" style="width: 310px;">
<br /></div>
<br />
<div style="text-align: justify;">
Dioda sebenarnya tidak menunjukkan
kesearahan hidup-mati yang sempurna (benar-benar menghantar saat panjar
maju dan menyumbat pada panjar mundur), tetapi mempunyai karakteristik
listrik tegangan-arus taklinier kompleks yang bergantung pada teknologi
yang digunakan dan kondisi penggunaan. Beberapa jenis dioda juga
mempunyai <span style="text-decoration: underline;"><b>fungsi</b></span> yang tidak ditujukan untuk penggunaan penyearahan.</div>
Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-15735977999066453912012-11-22T09:04:00.001+07:002012-11-22T09:04:10.263+07:00Cara Mengukur Sumber Tagangan Motherboard Laptop<div class="separator" style="clear: both; text-align: center;">
<img alt="ukur tegangan laptop" border="0" height="247" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgByP-g09jaGa78g3YYt34kVzD1dyl8Ny8EemDEJDQ1XKNMHvIetnFAxKrr5uUN4yN-MOVWUsNL28He4XDZmoEm0wfNe47Ai3Ety__X7hntAAxccbjma7BH2NmvSzSpXUwtAuVFxQnNrc-Q/s320/sumber+tegangan+motherboard+laptop.jpg" width="320" /></div>
<br />
On general principles, circuit size laptop sources are similar to the picture above.<br />
<ol>
<li> TPS51020 ICs a 3v3 and 5V source.</li>
<li> IT8511 SIO.</li>
<li> A / D Dock In source adapter plugged in</li>
<li> VBAT is the battery source</li>
<li> AC_BAT is the power supply for the circuit, it can be obtained from the adapter or battery.</li>
</ol>
<br />
<b>System Operation:</b><br />
<ol>
<li>Source level AC_BAT for IC source 3v3/5V (24 feet TPS51020)</li>
<li>IC 5V 3v3/5V create (VREG5 feet 22 TPS51020) for SIO</li>
<li>SIO get 3v3 from 5VAO line of IC 3v3/5V</li>
<li>SIO Since pressure AC_IN (consider using Adapter or not)</li>
<li>SIO ordered 3v3 and 5v source (EN1 and EN2)TPS51020 create 3v3 and 5v (one branch of the 3v3 or 5v will take back to Power feed SIO) remaining for the entire circuit.</li>
<li>Signal TPS51020 Power Good (PWRGD) for SIO</li>
<li>Button click 3v3 sources and wait press the power button.</li>
<li>When pressing the power button click, SIO ordered secondary sources (or source) as: RAM native South, chip North, VGA chip source</li>
<li>SIO continues to open source Vcore for the CPU completes the of source circuit size.</li>
</ol>
<br />
<b>Test Flow circuit source:</b><br />
<ul>
<li>Source AC_Bat to have and to foot powered IC 3v3/5v (the TPS51020). This source is open = 1 or 2 mosfet and usually drawn with the charging circuit. Refer to Battery charging circuit and open source AC_Bat.</li>
<li>TPS51020 must create and 5v (VREG5) grant for SIO.</li>
<li>SIO command to open the EN1 and EN2 of TPS51020 (if lost, we can try to apply to assume this command).</li>
<li>EN1 and EN2 must have 3v3 and 5v</li>
<li>3v3 and 5v OK, PWRGD feet high</li>
<li>3v3 and 5v ok, legs right sources 3v3</li>
<li>When you click the source, if other secondary sources are OK, the entire source will run. One of the secondary source "problem" circuit "protected" and disconnect all sources <- as excitement turned off.</li>
</ul>
Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com3tag:blogger.com,1999:blog-8542881699404885095.post-22229093165719968022012-11-07T23:06:00.001+07:002012-11-07T23:06:51.168+07:00Jalur Data Pinout Usb Mini Dan Usb Standar<div class="separator" style="clear: both; text-align: center;">
</div>
Gambar Pinout Usb Mini Dan Usb Standar yang biasa digunakan gadget mulai dari printer, Handphones, camera digital dan banyak aplikasi lainnya, buat teknisi berguna sekali mengetahui pinout jalur data sebuah kabel data transfer seperti kabel usb, berikut pinout usb dari beragam kabel usb yang banyak digunakan.<br />
<br />
1. Standard USB Pinout & Cable Color Code<br /><br /> Pin Wire Color Function<br /> 1 Red V BUS (+5V)<br /> 2 White D-<br /> 3 Green D+<br /> 4 Black Ground<br />
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<br /><br />2. Mini-USB Type-A Pinout & Cable Color Code<br /><br /> Pin Wire Color Function<br /> 1 Red V BUS (+5V)<br /> 2 White D-<br /> 3 Green D+<br /> 4 Joined to pin 5 ID<br /> 5 Black Ground<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEangPqc-njWd44-oFWhb72BrbuaNuDUvD-gXkbfx2RVy3BAkg7nfEMFe-ss4mviXO04b2WojEnQKoyizAnXKKknErXfD3QfDQmQA092cVSeMymTrN0tkNfBHdmhXVjVSwa2ZawqxSspTW/s1600/pintout+mini+usb+seri+a.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEangPqc-njWd44-oFWhb72BrbuaNuDUvD-gXkbfx2RVy3BAkg7nfEMFe-ss4mviXO04b2WojEnQKoyizAnXKKknErXfD3QfDQmQA092cVSeMymTrN0tkNfBHdmhXVjVSwa2ZawqxSspTW/s1600/pintout+mini+usb+seri+a.gif" /></a></div>
<br /><br />3. Mini-USB Type-B Pinout & Cable Color Code<br /><br /> Pin Wire Color Function<br /> 1 Red V BUS (+5V)<br /> 2 White D-<br /> 3 Green D+<br /> 4 Not connected (*) ID<br /> 5 Black Ground<br />
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<br /><br />Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-69327058477153059852012-10-01T19:34:00.000+07:002012-10-01T19:34:06.704+07:00Toshiba L200 Schematics Buat Sobat yang butuh schematics / skema notebook merk toshiba tipe L200 bisa di download disini.<br />
spesifikasi skema notebook toshiba L200 / schematics notebook L200 adalah :<br />
<br />
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<img alt="skema-notebook toshiba L200" border="0" height="228" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhMuV9QhsW7lQLhIs7AFjfAzILLk3cfqnAltm2wXQFAg0QN2mFv9WgQL3S78QhJR7tqX1OqgSdyF6qTlX9IB3oJWJmeuLNbrIeWDY-UqnoG2CqLGE7LwarW3yIUkzgyEc7WcM70naeV478/s320/toshiba+l200+schematics.jpg" width="320" /></div>
<br />
<br />
CPU: Intel Merom<br />
North Bridge: Crestline<br />
South Bridge: ICH8-M<br />
OEM : INVENTEC<br />
Title : Miami 10<br />
No : 1310A21108<br />
Files : pdf<br />
<br />
Download Toshiba L200 Schematics :<br />
<br />
<div style="text-align: left;">
<a href="http://www.mediafire.com/view/?2uj9b06io7aexoz">Download</a></div>
Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-2170923751847467962012-07-22T19:58:00.000+07:002012-07-22T19:58:25.218+07:00Schematics Diagram Notebook Samsung Samoa X360 DownloadSchematics Diagram Notebook Samsung Samoa X360 <br />
Model : SAMOA PBA Name: Mainboard<br />
Chipset: CANTIGA GS & ICH9M SFF<br />
Files : PDF<br />
<br />
<div class="separator" style="clear: both; text-align: center;"><img "border="0" alt="Schematics Diagram Notebook Samsung Samoa X360" height="226" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9LnBQy28r5UO8g_TRH7K0IypTEXnE_h86f9_fotZvpjxxV-TDwt_st3t6doD5gv2RY9OK9aoYHys4wSftj_0twr9xpkK289q7356q0_OQqD8uU4RZcE6madhreG5uA5WeoP9AB_VE1n3C/s320/samsung+samoa+x360.png" width="320" /></div><br />
<a href="http://www.mediafire.com/?bxv648qrsa8uqk5">Download Here</a>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com1tag:blogger.com,1999:blog-8542881699404885095.post-48809194426956720852012-07-20T07:45:00.002+07:002012-07-20T07:45:59.506+07:00Asus A6F SchematicsFree Download Sechematics Asus A6F Block diagram
Chipset:945GM+ICH7;
Main Memory:DDR2 533 SDRAM
Video Graphics chip:Intel GMA 950;
Supporting Processor:Intel Centrino Core Solo/Intel Centrino Duo
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<br />
CPU: YONAH-2M <br />
North Bridge: MCH-M Calistoga 945GM <br />
South Bridge: ICH7-M <br />
Project Name: Asus A6F schematics block diagram<br />
Files : pdf <br />
<br />
<br />
<b><a href="http://www.mediafire.com/?79cl9p6w97j9h69">Download</a></b>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com1tag:blogger.com,1999:blog-8542881699404885095.post-66490676985291956032012-06-10T21:19:00.002+07:002012-06-10T21:19:18.893+07:00How To Recover Acer Aspire One DeathIndication of Damage:<br />
When the Acer Aspire One is turned on by pressing the power on, the
screen does not display any blank alias. But the LED on the power button
turns green. And there are no signs that the ACER ASPIRE ONE will be
live and proceeds go to the windows.<br />
<br />
Acer Aspire One cause of Death:<br />
Death of Acer Aspire One is caused by the BIOS program is damaged or
corrupted data occur in the Acer Aspire One BIOS of this. This is likely
to occur as a result of a bug in the BIOS Acer Aspire One or the
default from the factory.<br />
<br />
<br />
<br />
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<br />
1. Prepare flasdisk maximum 2Gb, then format it with FAT partitions
flasdisk. Just info, we use 2 Gb kingston pendrive brand black in color.<br />
<br />
<br />
2. Download Acer Aspire One BIOS file, the following link :<a href="http://support.acer-euro.com/drivers/notebook/as_one_150.html"> <b style="color: red;">Here</b></a><br />
<br />
3. Extract File zipnya, then extract the file again and copy the results
of earlier extracted 2 files in it that is FLASHIT.EXE and ZG5IA32.FD
to flasdisk directly without the folder / directory.<br />
<br />
4. Plug in the USB port flasdisk left netbook Acer Aspire One<br />
<br />
5. Plug Carger your Acer Aspire One netbook.<br />
<br />
6. Press the Esc key and then hold down Fn and then press the power button once.<br />
After about 15-30 seconds, release the Fn + Esc. Then the power button will be blinking<br />
<br />
7. Press the power button again, then it will flasddisk lights blinking,
a sign that the BIOS file in the flasdisk being accessed (Important..!
Let some time because the process is running even though visible light
does not turn on power.)<br />
<br />
8. Wait a few moments, then the power light will stop blinking and then netbooks will restart by itself.<br />
<br />
9. After restarting, the Acer Aspire One will live again normally.<br />
(Bios Recovery Process Acer Aspire One is not more than 10 minutes).<br />
<br />
Enjoy.<br />
<br />
Source : <b><a href="http://etnics.blogspot.com/">http://etnics.blogspot.com</a></b>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-3680542576002928902012-03-23T12:56:00.000+07:002012-03-23T12:56:00.360+07:00Mengenal Elco ( Capasitor ) Atau KondensatorCapasitor/Elco atau nama lainnya adalah kondensator. Adalah komponen yang terdiri dari 2 pelat logam yang dipisahkan dengan isolator. Isolator ini menunjukkan nama dari kapasitor tersebut. Ukuran kapasitor adalah Farad.<br />
<span id="fullpost"><br />
1 Farad (F) = 1.000.000 mikro Farad (F)<br />
1 mikro Farad (F) = 1.000 nano Farad (nF)<br />
1 nano Farad (nF) = 1.000 piko Farad (pF)<br />
<br />
Sifat kapasitor adalah dapat menerima arus listrik dan menyimpannya dalam waktu yang relatif.<br />
Jenis ada beberapa macam antara lain :<br style="color: #38761d;" /><span style="color: #38761d; font-style: italic; font-weight: bold;"></span> <br />
a. Kondensator Elektrolit / ELCO (kondensator yang memiliki polaritas, kaki + dan kaki -)<br />
b. Kondensator Keramik<br />
c. Kondensator Mylar<br />
d. Kondensator Mika<br />
e. Kondensator Kertas<br />
<br />
<span style="color: #38761d; font-style: italic; font-weight: bold;">Penggunaan kapasitor dalam rangkaian :</span><br />
• Sebagai perata arus<br />
• Sebagai penyimpan arus listrik<br />
<br />
<img alt="" border="0" height="245" id="BLOGGER_PHOTO_ID_5449831435821145746" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJpZrfh6-VoUIvIBwcDYknUpWLyxALBG3zP9TjsWlXV3AKmJbjxIxvhOx8X3BrFApBBBImqvTeFMmv3sUcLh9jMMy0MQBcT5VmrFEeV1GjzT32KaSwpiktSqqyjROas0MzGUJGHlDUSzg/s320/elco.JPG" style="display: block; height: 302px; margin: 0px auto 10px; text-align: center; width: 394px;" width="320" /> <br />
Simbol Kondensator dalam Rangkaian adalah <span style="font-weight: bold;">"C"</span> dan simbol gambarnya adalah :<br />
<img alt="" border="0" id="BLOGGER_PHOTO_ID_5449831435362649810" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjyIV_NM0YxD9DmZz5xGRBMUcYMNrE7Lo-GGTB6ityJxHXepw4Cl2iybihiMPWnyhW1dNRO2hl14I_fWxgoT2B0Dy1ao2zw9tW3KD-aQVYIMDJVeCYbcU7WKcdYfe9c0J_rlwmunVs6iVw/s320/simbol+elco.JPG" style="display: block; height: 204px; margin: 0px auto 10px; text-align: center; width: 305px;" /><br />
<br />
<span style="color: #38761d; font-style: italic; font-weight: bold;">Cara Membaca Elco</span><br />
<br />
Misalnya dibadan ELCO tertera tulisan 10uF/16v berarti ELCO tersebut memiliki ukuran 10 mikro farad dan tegangan kerjanya maksimal 16v. Jika tegangan yang diberikan lebih besar dari tegangan kerja maka ELCO akan rusak. Sisi ELCO yang terdapat tanda panah menunjukkan kaki disisi tersebut adalah kaki negatif.<br />
<br />
<b><span style="color: black;">Cara Membaca Kapasitor Keramik / Mika / Mylar</span></b><br />
<br />
Misalnya di badan kapasitor tersebut tertera tulisan 103 artinya :<br />
• Angka I : melambangkan angka<br />
• Angka II : melambangkan angka<br />
• Angka III : melambangkan jumlah nol & ukurannya dalam piko Farad.<br />
Jadi nilai kapasitor tersebut adalah 10.000 pF = 10 nF = 0,01uF.<br />
<br />
<b><span style="color: black;">Mengukur Elco Dengan Multitester</span></b> <br />
1. Putar batas ukur pada Ohmmeter X1 / X10 untuk elco yang ukurannya besar dan X100 / X1K untuk elco yang ukurannya kecil.<br />
2. Hubungkan probe ke masing-masing kaki ELCO (bolak balik sama saja)<br />
3. Lihat penunjukan jarum pada papan skala.<br />
<br />
<img alt="" border="0" id="BLOGGER_PHOTO_ID_5449831428170248306" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGLHtJKTHBFTDYkrQiPjMwUvyMxSD8qWUtF6FMIVpl3io-D8Daye8tjpQY9cGfRDhK5P2i9CrArN_INP77D0wTuhl0KDmUu0WImsEc44B82kUKcozx3FHrGenhWoAMBDmn-HuBfTkI2yI/s320/1.JPG" style="display: block; height: 155px; margin: 0px auto 10px; text-align: center; width: 436px;" /><b style="color: black;">Kesimpulan Hasil Pengukuran</b><br />
<br />
• Jarum menunjuk angka & kembali ke tempat semula : elco baik<br />
• Jarum menunjuk angka & tidak kembali ke tempat semula : elco bocor<br />
• Jarum tidak bergerak sama sekali : elco putus<br />
• Jarum menunjuk angka nol : elco short<br />
<br />
<span style="color: black;">Mengukur Kapasitor Non Polar Dengan Multitester</span><br />
1. Putar batas ukur pada Ohmmeter X1K / X10K<br />
2. Hubungkan probe ke masing-masing kaki kapasitor (bolak balik sama saja)<br />
3. Lihat penunjukan jarum pada papan skala.<br />
<br />
<img alt="" border="0" id="BLOGGER_PHOTO_ID_5449831418832854114" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhu44lgJQqY3jbFPPH2xu4QN2cVK6q3cpLAYYtAI9eJIh0VYdcen9ysqrxeU4lgIwoLp-QT7d6v-lS5jARneqCr2WwBuQuLka7dRGjfrsoFlCcP4IWdS_2grfOIzhyphenhyphen8kLDxXwgJDzi0OP4/s320/2.JPG" style="display: block; height: 134px; margin: 0px auto 10px; text-align: center; width: 439px;" /><br />
<b style="color: black;">Kesimpulan Hasil Pengukuran</b> :</span><br />
<span id="fullpost">1. Jarum menunjuk angka kemudian & ke tempat semula : kapasitor baik<br />
2. Jarum menunjuk angka tdk kembali ke tempat semula : kapasitor bocor<br />
3. Jarum tidak bergerak : kapasitor putus</span><br />
<span id="fullpost">4. Jarum menunjuk angka nol : kapasitor short</span>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0tag:blogger.com,1999:blog-8542881699404885095.post-50104233092537186422012-01-20T13:46:00.000+07:002012-01-20T13:46:09.089+07:00Schematic Diagram Lenovo W700 DDR3 Notebook<div class="separator" style="clear: both; text-align: center;"><img alt="Schematic Lenovo W700" border="0" height="191" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhiiomF3ltPKoBSdHHkqsVlx0rqvk3jsEaBKRHNNjac6-hICTBKJwIZYA9YQl53MqTe1rmxpzhpLnS1Tfux1hC-9rKvPLWzLqvIyjcb8sJN630SMtwWGp2vwl_USzWUnpGkvV_vg7mijcSM/s320/schematic+lenovo+W700.jpg" width="320" /></div><br />
<b>The motherboard schematic diagram Lenovo W700 DDR3 notebook.</b><br />
CUP: Mobile Penryn<br />
North Bridge: Intel Cantiga-PM<br />
South Bridge: Intel ICH9-M<br />
OEM: Wistron Corporation<br />
Document Number: N-Note<br />
Format: PDF<br />
<br />
<b><a href="http://www.4shared.com/office/19i3zSF2/Lenovo_W700_DDR3.html">Download</a></b>Encihttp://www.blogger.com/profile/16283085826101943386noreply@blogger.com0