All posts tagged "Power Adapter Repair"

  • power adapter component
    Servicing Laptop Adapter – Key Model 7150

                      This AC ‘ARAPTER’ (LOL) was one of the three power supplies that I had collected from my technician friend, about which I had mentioned in my earlier articles....

    • Posted April 13, 2017
    • 10
  • how to repair and fix power adapter
    How To Repair 12VDC Output Power Adapter

                      I’d got a call from my friend with the complaint of his Set top box was not working. During the conversation I came to know that he was...

    • Posted March 28, 2017
    • 23
  • test p6ke150a transcient diode
    Bad P6KE150A Transient Voltage Suppressor Diode In HP Power Adapter

                        Normally we call our articles a repair when we add or replace a component in a device to make it work. However the device in this repair...

    • Posted February 10, 2017
    • 24
  • 0.1 uf capacitor
    Sony AC-L10 replacement Adapter Fix/repair

                  Don’t buy a cheap replacement power supply! – YouTube Why? Not only it generates RF airwaves and induces a lot of unwanted interference in your home Power net, but makes...

    • Posted January 8, 2016
    • 34
  • power adapter repair
    AC Power Adapter Repaired

                    This AC Adapter was brought to me with the complaint that it was dead. In order to open the adapter, we need to pierce the rubber bushes underneath, and remove...

    • Posted November 23, 2015
    • 16
  • power adapter repair
    Repair of a switching power adapter without any switching controller chip!!

                  Nowadays most switching regulators are controlled by some kind of Pulse Width Modulated (…GREEN) controller IC. But here’s an example without any controller chip. The adapter is a SUNNY 12Volt...

    • Posted May 2, 2015
    • 21
  • Repair of Fuyuang 55V 250VA Li-ion charger

                        A not working (of course) LI-ION charger was brought to me for an inspection. And someone probably shorted this charger because they assumably changed the in and...

    • Posted March 24, 2015
    • 23
  • Voltage Testing Points
    Voltage Testing Points Of Mobile Charger

                    Today’s topic is about voltage test points (TP) in Mobile Phone Charger. The below pictures are the marking of the components:   First connect the charger to the Main...

    • Posted August 18, 2014
    • 19