problem with 32" Samsung TV

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  • Mikeyboy2007
    Badcaps Veteran
    • Mar 2013
    • 745
    • Scotland

    #1

    problem with 32" Samsung TV

    hi guys got a samsung 32" tv which has funny colours blended in with the picture / mostly on whites. anyone know what could be the issue, im guessing T-Con but unsure.. have attached a short video to let you see what im on about.

    https://www.youtube.com/watch?v=moPsMS_k30w
  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #2
    Re: problem with 32" Samsung TV

    Pictures of the T-CON board? Model number of the TV?
    Looks like the GAMMA Voltages are off a little.
    Try re-seating the cables first. tightened all the board mounting screws, etc.
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

    Comment

    • CapLeaker
      Leaking Member
      • Dec 2014
      • 8126
      • Canada

      #3
      Re: problem with 32" Samsung TV

      look if your tcon has a AS15 chip on there. Maybe make a nice pic of your tcon board and post it.

      Comment

      • infringer
        Badcaps Member
        • Sep 2009
        • 244
        • United Frickin States

        #4
        Re: problem with 32" Samsung TV

        look at the LVDS ribbon cables ....

        The ribbon cables connected to the TCON and the Monitor I am guessing they are crooked or not making a good connection especially if they are dots often blueish in color.

        Enjoy hope this helps fix yah!
        Please note: I am not responsible for any harm caused to you anything discussed is just discussion. Before you try anything discussed be sure that you have the appropriate knowledge and safety gear for the job. Like with anything education and safety are first! Do not try anything @ home without it.

        Comment

        • steviewonder
          Senior Member
          • Dec 2013
          • 183
          • england

          #5
          Re: problem with 32" Samsung TV

          99.9% certain the as15-F has failed.The RM5101 is a much more reliable replacement.
          For a quick test,leave the metal tin off,switch the set on and you will find the i.c is red hot if you put your finger on it.
          Replacement is easier than it looks,I use a Stanley blade,cut all the legs off in situ,then use some wick to remove the legs still on the board,then a fine iron to fit the new one.

          Comment

          • Mikeyboy2007
            Badcaps Veteran
            • Mar 2013
            • 745
            • Scotland

            #6
            Re: problem with 32" Samsung TV

            Hi guys sorry for slow update, this is the T-Con from the tv and cant see the AS15 chip on there, anyone else have any other suggestions, tried reseating ribbons and problem continues
            Attached Files

            Comment

            • vinceroger69
              Badcaps Legend
              • Mar 2012
              • 6714
              • uk

              #7
              Re: problem with 32" Samsung TV

              i cant see it either maybe reconnect the t con on the top right of the board theres some gamma test points 18 i think maybe test each point and post voltages.

              Comment

              • delboydev
                New Member
                • Sep 2013
                • 4
                • uk

                #8
                Re: problem with 32" Samsung TV

                Ribbons on the panel, take the panel apart and apply pressure to the ribbons see if it changes. Report back mikey!

                Comment

                • Mikeyboy2007
                  Badcaps Veteran
                  • Mar 2013
                  • 745
                  • Scotland

                  #9
                  Re: problem with 32" Samsung TV

                  ok so put tv back together to test voltages and the tv switched on by itself and hey presto it seems to be fine.... will it stay like that or is there a chance it will come back ?

                  Comment

                  • tom66
                    EVs Rule
                    • Apr 2011
                    • 32560
                    • UK

                    #10
                    Re: problem with 32" Samsung TV

                    A problem that goes away on its own will come back on its own... at the worst possible time... and in the worst possible place
                    Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
                    For service manual, schematic, boardview (board view), datasheet, cad - use our search.

                    Comment

                    • Mikeyboy2007
                      Badcaps Veteran
                      • Mar 2013
                      • 745
                      • Scotland

                      #11
                      Re: problem with 32" Samsung TV

                      lol i like how you put that Tom......

                      Comment

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