All posts by Jestine Yong

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  No Power in ATX Power Supply Repaired-3 Components Replaced

                  Received one Desktop PC with no power symptom- diagnosed as follows: Checked power cable found ok with 230 v at the other end, checked computer ON/Off switch found ok....

  • Posted June 22, 2016
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  Source and Load and the Enhanced Light Bulb method

                    Recently in my last repair article about the 750 Watt Power Supply I noticed that a simple Light Bulb like we Electronic Engineers previously used (about 60 to...

  • Posted June 22, 2016
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  Humax Set Top Box Fault Finding

                  In my busy schedule in my office I got call from my home, my daughter complaining that the Cable TV was not working (summer vacation enjoyment with cartoon Channels)....

  • Posted June 21, 2016
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  No Power In Philips LCD TV Repaired

                  I received this Philips model: 32PFL3409/chassis TCM3.1 which was dead. From my past experience and bad encountered with cracked LCD panel, I find it  worthwhile to put in extra...

  • Posted June 9, 2016
  • 14
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  Electronic broom maintenance

                  Some time ago we’ve purchased two of these so-called “electronic broom”, to be used in two different houses. As a matter of fact, they are not really electronic, as...

  • Posted June 9, 2016
  • 11
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  Two ICs Burnt In USB Mini Amplifier

                  The complaint of this USB Mini Amplifier was no sound but the USB drive was working fine. Even when the volume control was turned to maximum, there was still...

  • Posted June 6, 2016
  • 10
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  Dead Panasonic TC-21FX21C3 CRT CTV Repaired

                  This CRT TV was brought to me with a complaint that the TV was getting on only after several minutes, then it started making crackling noises, and now it...

  • Posted June 6, 2016
  • 10
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  Not Common To See Dual Super Barrier Rectifier Breakdown When Under Load

                    The complaint of this LED TV was no power so the first thing I did was to check the output voltage of the power adapter. It was rated...

  • Posted May 30, 2016
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