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All posts by Jestine Yong

  • dy294 repair tips
    DY294 Supertip To Safely Test Small SMPS Adapters

    I always wondered if there was a safer and easy way to test small smps power adapters without having to connect them to the dangerous deadly AC power lines anymore. And with all the analyzing tools in...

    • Posted January 16, 2021
    • 24
  • welding machine repair
    K2837 FET shorted in Welding Machine Repaired

                  A welding technician brought his welding machine for repair. The guy explained that this machine went dead while he was doing a welding job in a village nearby. It was...

    • Posted January 16, 2021
    • 10
  • panasonic cd rcr repair
    No Power In Panasonic CD RCR Repaired

              Customer sent to me this Panasonic CD RCR with the complaint of no power. For your information, the power supply unit inside is from the linear type and not switch mode (SMPS)....

    • Posted January 16, 2021
    • 7
  • power adapter repair usb 5 volt
    Blown Up 5 Volt USB Charger Repaired

              My very handy nephew, who is a great professional new kitchen installer, brought over about a month ago an EVOLine 230VAC back flip Power outlet Box with now defect 5V USB charger...

    • Posted January 12, 2021
    • 13
  • Power Flickering Caused IGBT Failure In IMPEX OMEGA H-5 Induction  Cooker
    Power Flickering Caused IGBT Failure In IMPEX OMEGA H-5 Induction  Cooker

                There was an SOS call from my wife once again from the kitchen, though after a pretty long time (Last failure of IGBT in this was in June, 2019) She said...

    • Posted January 12, 2021
    • 12
  • An LCD TV Keeps Shutting Down Repaired
    An LCD TV Keeps Shutting Down Repaired

                  A bus driver that works for an international organization brought his LCD TV for repair. He said that he liked this TV and he wants it repaired. The main issue...

    • Posted January 12, 2021
    • 14
  • Hisense 50" Smart TV Struck By Lightning Repaired
    Hisense 50″ Smart TV Struck By Lightning Repaired

                  Firstly, let it be said, that as an electronics hobbyist, I am constantly learning, making mistakes, studying, making wrong diagnoses, even having many ‘slap the forehead with the palm of...

    • Posted January 8, 2021
    • 31
  • drill battery charger repair
    A Drill Battery Charger Shorted Out, Maintained And Repaired

                    A guy walked into my shop and asked me to start fixing stuff for him. He just opened a new shop in town that deals with electrical repairs and...

    • Posted January 8, 2021
    • 10
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