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All posts by Jestine Yong

  • Fixing A 90% Efficient 12V Booster Module
    Fixing A 90% Efficient 12V Booster Module

                Often new DIY Arduino projects are drawing my attention that make excellent tools to expand our electronic measuring tools and test devices with. Like recently an interesting portable transistor curve tracer...

    • Posted April 13, 2024
    • 14
  • LED TV REPAIR
    Interchange Of LED TV Panel Of Different Brand

                These two 32″ tvs (Lg and Sharp) belong to me. The Lg tv plays flash drive videos, but its panel broke, while the Sharp aques tv  is ok but its usb...

    • Posted April 13, 2024
    • 18
  • cassette deck receiver repair
    Restoration Of A Badly Tampered Technics Cassette Deck Receiver Amp Model SA380S

            An unusual friendship developed with a courier delivery person resulted in getting this antique piece on my table for service. He noticed that I was getting a lot of parcels containing electronic components...

    • Posted April 13, 2024
    • 13
  • Security Camera Does Not Have A Steady Charge Repaired. PT-848
    Security Camera Does Not Have A Steady Charge Repaired. PT-848

                  A guy next door brought me a security camera for repair. The main fault it does not charge steadily which means every time the charging cable is touched the camera...

    • Posted April 13, 2024
    • 10
  • 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
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