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All posts by Jestine Yong

  • microwave oven repair
    Microwave Oven Repaired. Model: Gold Vision 20PXHS

                A guy next door brought me this dead microwave oven for repair. He explained that it was working fine but he wanted to heat up something; as soon as he pressed...

    • Posted April 6, 2024
    • 27
  • atx power supply repair
    Saving Computer SMPS Part – 8

                Case (1) FOXIN-FPS500C: This was brought to me with the complaint that the fan broke while in use and it stopped working. After doing the secondary cleaning work inside, I looked...

    • Posted April 6, 2024
    • 20
  • atx power supply repair
    Some Confusion About Transformers In ATX SMPS

    When we refer circuit diagram of any SMPS, we found transformer diagram indicates Primary winding & Auxiliary winding on Left side and secondary windings on right side. Like indicated in this diagram In ATX (COMPUTER) Power Supply...

    • Posted April 6, 2024
    • 13
  • led tv repair speaker
    Why The Failures Of Speakers In LCD/LED TVs Are High?

                Perhaps those who handle LCD/LED TV service would agree that failures of the speakers in these TVs are more. Mainly because of the small sized speakers crammed into a box or...

    • Posted April 6, 2024
    • 12
  • powerpack festool repair
    Expensive 18V Festool Powerpack Saved From The Dump

    Fixing dead battery packs often is cumbersome and not without risk. Because explosion or fires are the result when cells are handled wrong. But when my nephew who is a professional kitchen installer recently rescued a defect...

    • Posted March 30, 2024
    • 12
  • lg led tv repair
    LG TV Screen Dark

          This 32″ lg tv was brought in by a new customer with complaints of tv went dark while watching. On further investigation with flash torchlight, there was faint picture showing. So this is backlight...

    • Posted March 30, 2024
    • 12
  • crt tv repair
    Strange Symptom Found In Onida CRT TV Model CO21BLL250BG

    This CRT TV had visited me for a speaker replacement in October, 2020 and those interested can see the article: https://jestineyong.com/both-speakers-found-open-in-onida-crt-tv/ I am skipping images of the TV, as the above article already contains these. This time,...

    • Posted March 30, 2024
    • 8
  • laptop repair
    A Laptop With Broken Charging Port And Cable Replaced And Maintained. Lenovo G5070

                  A customer and good friend of mine brought this laptop for repair. He wants it to be repaired as soon as possible since it belonged to his older daughter who...

    • Posted March 30, 2024
    • 7
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