Sony TV, KDL-55EX621, white/grey screen with lines

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  • tictac
    Member
    • Nov 2014
    • 26
    • Canada
    #1

    Sony TV, KDL-55EX621, white/grey screen with lines

    I have this 55" Sony LCD with a video problem. The sound seems ok and the screen lights up but there is no picture data. The screen has large blocks of gray & white with darker horizontal bands scrolling upwards. See the photo below. If anyone has any suggestions, please let me know what other info is needed. Thank you in advance.
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    • zomi
      Badcaps Veteran
      • Nov 2011
      • 505
      #2
      Re: Sony TV, KDL-55EX621, white/grey screen with lines

      looks like panel failure.

      Bright band looks like maybe liquid damage on the tab, from cleaning maybe

        Comment

        • ReeceyBurger123
          Never Give Up !
          • May 2014
          • 7325
          • Britain
          #3
          Re: Sony TV, KDL-55EX621, white/grey screen with lines

          Panel failure likely not fixable
          Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

          https://www.facebook.com/Telford-Tel...7894576335359/

            Comment

            • tictac
              Member
              • Nov 2014
              • 26
              • Canada
              #4
              Re: Sony TV, KDL-55EX621, white/grey screen with lines

              Originally posted by ReeceyBurger123
              Panel failure likely not fixable
              Would this mean that the boards are still likely to be good?

                Comment

                • tictac
                  Member
                  • Nov 2014
                  • 26
                  • Canada
                  #5
                  Re: Sony TV, KDL-55EX621, white/grey screen with lines

                  Originally posted by zomi
                  looks like panel failure.

                  Bright band looks like maybe liquid damage on the tab, from cleaning maybe
                  Does that mean the boards are still good?

                    Comment

                    • dcapper
                      Badcaps Veteran
                      • Dec 2013
                      • 496
                      • Canada
                      #6
                      Re: Sony TV, KDL-55EX621, white/grey screen with lines

                      Don't know about the tcon but the other should be ok.

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