Samsung TV UE48H6740SV - No Picture - Just Sound

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  • Data45000
    New Member
    • Apr 2022
    • 9
    • Germany
    #1

    Samsung TV UE48H6740SV - No Picture - Just Sound

    Hello you,

    I have a problem with TV #2.

    It is a Samsung. The picture stays black but the sound in the menu is audible, but I don't see any menu.

    I have already changed the T-Con board, there are now two LEDs on the board instead of one.

    However, the screen remains black. When I disconnect one of the lower cables on the T-Con board, the TV turns on, but I don't see a menu.

    The LED strips all seem to be lit - so it is unlikely that these are defective.

    I need some input please to find other sources of error. Attached are the photos.

    BR
    Data
    Attached Files
    Tags: None
    • neilc6
      Badcaps Legend
      • Nov 2015
      • 1550
      • Canada
      #2
      Re: Samsung TV UE48H6740SV - No Picture - Just Sound

      With the power off, disconnect one side at a time between the tcon and panel and see if one side displays an image.

        Comment

        • nomoresonys
          Badcaps Legend
          • Jan 2013
          • 12206
          • U.S.
          #3
          Re: Samsung TV UE48H6740SV - No Picture - Just Sound

          did you make sure the numbers on the white sticker of the replacement tcon match the original tcon?
          Quit because THIS SITE LETS A ROGUE MEMBER TYPE ANY GARBAGE HE PLEASES AND THE POWERS THAT BE NEVER DO ANYTHING ABOUT IT SO HE NEVER QUITS. THEN YOU GET A PENALTY FOR RESPONDING TO HIS ATTACKS. BEEN GOING ON FOR WAY TOO LONG. DONE SUPPORTING A SITE THAT ALLOWS THIS BS.

            Comment

            • nomoresonys
              Badcaps Legend
              • Jan 2013
              • 12206
              • U.S.
              #4
              Re: Samsung TV UE48H6740SV - No Picture - Just Sound

              test the little white fuse on tcon by the connector, black neg. probe on chassis ground, red probe on each side, should be around 12 volts each side.
              Quit because THIS SITE LETS A ROGUE MEMBER TYPE ANY GARBAGE HE PLEASES AND THE POWERS THAT BE NEVER DO ANYTHING ABOUT IT SO HE NEVER QUITS. THEN YOU GET A PENALTY FOR RESPONDING TO HIS ATTACKS. BEEN GOING ON FOR WAY TOO LONG. DONE SUPPORTING A SITE THAT ALLOWS THIS BS.

                Comment

                • nomoresonys
                  Badcaps Legend
                  • Jan 2013
                  • 12206
                  • U.S.
                  #5
                  Re: Samsung TV UE48H6740SV - No Picture - Just Sound

                  tcon testing video: https://www.youtube.com/watch?v=DiW6nNk1TYA
                  Quit because THIS SITE LETS A ROGUE MEMBER TYPE ANY GARBAGE HE PLEASES AND THE POWERS THAT BE NEVER DO ANYTHING ABOUT IT SO HE NEVER QUITS. THEN YOU GET A PENALTY FOR RESPONDING TO HIS ATTACKS. BEEN GOING ON FOR WAY TOO LONG. DONE SUPPORTING A SITE THAT ALLOWS THIS BS.

                    Comment

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