Samsung ps43E400 Plasma

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  • freeman3020
    Member
    • Jun 2019
    • 30
    • Palmo
    #1

    Samsung ps43E400 Plasma

    Hi
    This TV have sound without picture ,the vs i got 218 then drop to 11, i removed y sustain board for inspection i dont find any short in diode or IGBT , i tested y sustain without Y-buffer by powered tv to see if voltage drop i got bomb in one of IGBT on y sustain board , is it problem to test y sustain without buffer board ???
    Whats wrong here
    Last edited by freeman3020; 08-01-2019, 07:31 AM.
    Tags: None
    • Packard93
      Senior Member
      • Jul 2016
      • 81
      • United States
      #2
      Re: Samsung ps43E400 Plasma

        Comment

        • Packard93
          Senior Member
          • Jul 2016
          • 81
          • United States
          #3
          Re: Samsung ps43E400 Plasma

            Comment

            • Packard93
              Senior Member
              • Jul 2016
              • 81
              • United States
              #4
              Re: Samsung ps43E400 Plasma

              when u disconnect test the y sustain board does the vs return to normal?

                Comment

                • freeman3020
                  Member
                  • Jun 2019
                  • 30
                  • Palmo
                  #5
                  Re: Samsung ps43E400 Plasma

                  Originally posted by Packard93
                  when u disconnect test the y sustain board does the vs return to normal?
                  no when disconnected y sustain vs also drop, i found on this forum on another post that vs will also drop, if disconnect y sustain on Samsung models

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