Samsung 46c8000 no picture tcon bad ?

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  • zomi
    Badcaps Veteran
    • Nov 2011
    • 505
    #1

    Samsung 46c8000 no picture tcon bad ?

    Samsung 46c8000

    Cable from motherboard to tcon
    Had a burnt connector cable on tcon side

    with new cable fails to power on
    Does power on with tcon disconnected, makes meldoy etc..
    backlights also power on
    With tcon connected no melody.. /no backlights..

    Fuses on tcon are ok..
    no voltage at tcon when connected
    Also tried with lvds cables disconnected

    so culprit tcon or main board ?
    Tags: None
    • zomi
      Badcaps Veteran
      • Nov 2011
      • 505
      #2
      Re: Samsung 46c8000 no picture tcon bad ?

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        • Andrew F. Ali
          Badcaps Legend
          • Jan 2014
          • 2450
          • Trinidad & Tobago
          #3
          Re: Samsung 46c8000 no picture tcon bad ?

          Did you replace the burnt cable with an exact replacement?....If NO then get an exact replacement and try it....If YES then disconnect the left T-CON cable to the Panel and power up TV....If the TV remains ON then Power OFF and reconnect LEFT cable and disconnect RIGHT cable to Panel from the T-CON Bd...Power up the TV..... If the TV remains ON then Power OFF and reconnect....You have a T_CON Bd problem.......toss the T-CON Bd out and replace with an exact replacement...If however when powering up with either side of the T-CON to Panel cable connected the TV shuts down then you have a bad Panel.
          Last edited by Andrew F. Ali; 10-17-2016, 08:43 AM.

            Comment

            • zomi
              Badcaps Veteran
              • Nov 2011
              • 505
              #4
              Re: Samsung 46c8000 no picture tcon bad ?

              Yes replaced with exact repalcement
              When trying to power on with tcon connected
              Tv power comes on but does not boot to os
              No voltage on the tcon..

                Comment

                • zomi
                  Badcaps Veteran
                  • Nov 2011
                  • 505
                  #5
                  Re: Samsung 46c8000 no picture tcon bad ?

                  Just to update
                  Was a bad mainboard
                  Sourced a replacement
                  Now with the back cover on and all screws tightened
                  The set does no switch on
                  Removing the ones that go to the main chaisis sometimes resolves this.

                  Any know areas where these are know to short
                  I am assuming a short as the set appears totally dead ..
                  when this happens.

                    Comment

                    • vinceroger69
                      Badcaps Legend
                      • Mar 2012
                      • 6714
                      • uk
                      #6
                      Re: Samsung 46c8000 no picture tcon bad ?

                      which screws do you mean the ones securing the mainboard down?

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