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Panasonic TX P50S20B

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    Panasonic TX P50S20B

    Hi guys i have just picked up this plasma of my local free site it has a 4 blink error fault i believe is psu board? has anyone had this fault before i will upload the service manual not very often i work on plasma tvs if im honest and also still trying too get my head around reading schematics properly.
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    #2
    Re: Panasonic TX P50S20B

    just tested a couple of things just disconnected sc2 connector turned tv on with connector disconnected now 7 blinks
    next step I unplugged sc2, P35, ss11 and three white ribbons on the A board. The TV turned on and stayed on with no error blink.
    now im stuck guys what too check next

    EDIT! q661 is shorted so guess sc board fault.
    My sc is a TNPA5105 Ab would a TNPA5105 AD out of a 42 inch set work?
    any other tests too do on the other boards before replacement.
    Last edited by vinceroger69; 09-26-2020, 02:07 PM.

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      #3
      Re: Panasonic TX P50S20B

      Guys i have decided too strip this tv for parts (i wont sell the sc board or buffer boards) anyway to test the ss board before i sell it.
      TNPA5106 AB TXNSS11FEK50 SS
      Last edited by vinceroger69; 09-27-2020, 03:33 AM.

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