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All posts tagged "power supply repair"

  • Replacing Working Components In Switch Mode Power Supply

                The OLAN 22″LCD TV came in with the complaint of no power symptom. Once the cover was removed I saw four circuit boards: Inverter Board Power Supply Board Main board USB...

    • Posted March 23, 2020
    • 17
  • how to fix and repair power supply
    Main SMPS Transformer Overheated

                        A client sent me his keyboard’s power supply via postage to see if I could repair it. It is from a very old Roland Keyboard.   The...

    • Posted May 21, 2019
    • 9
  • power supply repair
    KD -120-12 Power Supply Repaired (Replaced Few Bad Components) 

                          I received this power supply for repair. The owner of the machine told me this accident has happened: While he was giving water to plants, water...

    • Posted May 17, 2019
    • 15
  • power supply repair
    Day Light Switch Repair

                          I got a simple device from a customer who told me does he bought several of them and after a while they start to die. These...

    • Posted February 6, 2019
    • 10
    13007 Power Transistor, Faulty  Diodes and a Capacitor Found In Self Made LED Porch Light

                      This is a generally available Power Supply that can take around 2A load usually used for LED Serial Lights. I had bought one along with a ready made...

    • Posted December 18, 2018
    • 8
  • power supply drive led chain
    12 volt 5 Amp SMPS Repaired

                        The complaint of this small switch mode power supply (SMPS) with the output of 12 volt and 5 amp was no dc output. I powered it up...

    • Posted October 19, 2018
    • 9
  • power-supply-fixing
    12V, 5A LED Driver SMPS Repaired

                    One of my friends had informed me a few months back that one side of the Serial LED lights do not light up. When I went there and saw,...

    • Posted November 9, 2016
    • 18
  • power supply pfc repair
    PFC Controlled Power Supply Unit Repair

                      This repair is about those newer and more difficult P.F.C. controlled PS Units. Like the recent very helpful articles from Paris. (Especially the Posts after his recent article...

    • Posted May 9, 2016
    • 26
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