sony vaio PCG-7141L NO POWER

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  • spintop
    Senior Member
    • Feb 2011
    • 132
    #21
    Re: sony vaio PCG-7141L NO POWER

    pq25 1,2,3,4 all at 19.9v
    Vgs is 0v, mosfet is not turn on.
    my guess could be a faulty mosfet or pc136.
    check if pin 4 and 1,2,3 are shorted

      Comment

      • smali
        Badcaps Veteran
        • Sep 2014
        • 287
        • Pakistan
        #22
        Re: sony vaio PCG-7141L NO POWER

        check the short circuit with ground with oham range on pq25 drain (5678)...and also remove pc25 and check ?
        Last edited by smali; 02-22-2017, 07:01 AM.

          Comment

          • Romulo
            Badcaps Veteran
            • Nov 2016
            • 484
            • Philippines
            #23
            Re: sony vaio PCG-7141L NO POWER

            thanks to all the response ill check what you advise and feedback soon

              Comment

              • meritosari
                Senior Member
                • Oct 2010
                • 774
                • Indonesia
                #24
                Re: sony vaio PCG-7141L NO POWER

                Originally posted by cyberhack
                Convert a pc power supply to use .
                http://makezine.com/projects/compute...upply-adapter/
                https://www.youtube.com/watch?v=z2oSFpKh_Uw
                Or build DIY PSU bench supply that could controlling output limit of voltage and current.

                Our friend Kazia, He already managed to build PSU using PSU2 schema
                Attached Files

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