All posts by Jestine Yong

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  Desktop Computer Is Turning On But Monitor Screen Showing Error “Check Signal cable”

              On receiving call from the customer I have visited his site for troubleshooting above stated problem. I turned ON the PC and monitor I can hear single Booting BEEP and green...

  • Posted December 26, 2020
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  Completed Another Basic Electronics Repair Course

  Completed another basic electronics repair course yesterday for 2 participants. One is local and the other one was from Sri Langka but he already worked here for many years. For more info about the repair courses you...

  • Posted December 24, 2020
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  Fifteen Corroded Batteries Found In Dewalt DCD-950 Driver/Hammer/Drill

                      This DeWALT Driver/Hammer/Drill model DCD-950 belonged to my colleague in the hospital and was brought to me with the complaint that the RED LED comes and goes...

  • Posted December 21, 2020
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  IGBT Transistor Shorted In Welding Machine

              A welding technician brought his dead welding machine for repair. It has been a long time since I repaired such machine because of Covid 19 situation. Not many welding shops are...

  • Posted December 21, 2020
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  12V SMPS Adapter No Voltage Output Repaired

  Received 12V adaptor stating problem of not working. Done visual inspection of DC PIN, Wire & Plastic body for Burnout /Physical damage everything seems OK. Checked for DC output for 12V multimeter is not showing any reading....

  • Posted December 21, 2020
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  Unknown dead device was brought back to life

                When I got to the shop I found this unknown device sitting on my work bench. According to my brother next door, a doctor brought this device for repair. I...

  • Posted December 21, 2020
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  Raspberry Pi 5 Volt 3 Amp Adapter Repaired

  Like all those Raspberry Pi users that use the newer 3B and 3B+ Pi’s that consume more Amps I used an 3 Amp 5V adapter to be safe. And I added a new Adafruit PiTFT 3.5 inch...

  • Posted December 16, 2020
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  Loading Tray In/Out Problem In ONIX DVD

                    This DVD Player, Onix Model Grand A, was brought to me by a Driver, who had brought a few other items too in the past. The complaint was...

  • Posted December 16, 2020
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