Samsung LN55C610N1FXZC no image screen flashes

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  • Mayn
    Senior Member
    • Nov 2016
    • 54
    • Canada
    #1

    Samsung LN55C610N1FXZC no image screen flashes

    Just picked up a Samsung LN55C610N1FXZC.

    Sound works, but no image. Backlights work fine.

    When turning the tv on, I get no image. I do get a, I want to say pulsing brightness on the entire screen,.

    If I disconnect the t-con board, the backlights come on and there is no flashing. As soon as I connect either side of the t-con board the problem comes back. Doesn't matter what input I use, I don't actually get any image.

    I'm guessing bad t-con, but anyone have any other ideas?
    Attached Files
    Tags: None
    • budm
      Badcaps Legend
      • Feb 2010
      • 40746
      • USA
      #2
      Re: Samsung LN55C610N1FXZC no image screen flashes

      I cannot tell if the T-CON board is at the top center of the LCD panel or at the bottom center of the LCD panel.
      Can we see the whole back side of the TV showing all the boards?
      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

        • Mayn
          Senior Member
          • Nov 2016
          • 54
          • Canada
          #3
          Re: Samsung LN55C610N1FXZC no image screen flashes

          sorry, the t-con is at the bottom center. I had it flipped to take the shield off to get at it.
          Attached Files

            Comment

            • budm
              Badcaps Legend
              • Feb 2010
              • 40746
              • USA
              #4
              Re: Samsung LN55C610N1FXZC no image screen flashes

              Ooo, one of those tab bonding on the bottom edge of panel that always get damaged when people spray the cleaner on the screen and it drips down all the way to the tab bonding board and causes corrosion and shorts out.
              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

                • Mayn
                  Senior Member
                  • Nov 2016
                  • 54
                  • Canada
                  #5
                  Re: Samsung LN55C610N1FXZC no image screen flashes

                  Oh great lol. Any solution ?

                    Comment

                    • Mayn
                      Senior Member
                      • Nov 2016
                      • 54
                      • Canada
                      #6
                      Re: Samsung LN55C610N1FXZC no image screen flashes

                      I took it apart further and looked at the tab bonds. I don't really see any sign of any liquid ever being on them. Turned it on and tapped on them with no difference.
                      Does this sound like maybe it's as simple as a bad t-con board?

                        Comment

                        • budm
                          Badcaps Legend
                          • Feb 2010
                          • 40746
                          • USA
                          #7
                          Re: Samsung LN55C610N1FXZC no image screen flashes

                          You can take a chance with T-CON if it is cheap enough.
                          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

                            • Mayn
                              Senior Member
                              • Nov 2016
                              • 54
                              • Canada
                              #8
                              Re: Samsung LN55C610N1FXZC no image screen flashes

                              That's what I'm thinking. Might be worth it.

                                Comment

                                • Mayn
                                  Senior Member
                                  • Nov 2016
                                  • 54
                                  • Canada
                                  #9
                                  Re: Samsung LN55C610N1FXZC no image screen flashes

                                  So I got a replacement t-con board. Installed it and powered up.

                                  Got image, but it does seem like a couple bad tab bonds cause of vertical bands in a couple spots. So I left it on for a bit to see what happens.

                                  Now I don't get any image at all. Think the bad tab bonds is taking out the t-con?

                                    Comment

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