Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

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  • Scollins
    Member
    • Sep 2018
    • 18
    • USA
    #1

    Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

    Hey guys,

    Last thread I was able to get an image on my screen, now the entire thing will occasionally flash, sometimes faster, sometimes slower but consistently lighter colors in bars. I'm not sure how else to describe it. I can upload a video once I get home.

    I have taken the back plastic off to look at the panel and it seemed to go away with a light smack on the back of the panel. Now that I have reassembled it seems to be back.

    Thanks
    Sam
    Tags: None
    • Davi.p
      Hobbist
      • Sep 2009
      • 4261
      • Italy - Milan
      #2
      Re: Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

      Detach the tcon and retest, if it flickers again it's a led B.L. problem, otherwise it's panel defect.

        Comment

        • Scollins
          Member
          • Sep 2018
          • 18
          • USA
          #3
          Re: Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

          Which panel is the tcon panel? I disconnected one of them and the entire screen went dark so I think I did the wrong one.

            Comment

            • Davi.p
              Hobbist
              • Sep 2009
              • 4261
              • Italy - Milan
              #4
              Re: Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

              The tv has LED backlight or CCFL backlight? Anyway some people has not the gift of clearness and a video posted is always better than tons of words..

                Comment

                • Scollins
                  Member
                  • Sep 2018
                  • 18
                  • USA
                  #5
                  Re: Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

                  I finally got around to posting a video, here is a link to the issue: https://youtu.be/slP_K9W1VBs

                    Comment

                    • Davi.p
                      Hobbist
                      • Sep 2009
                      • 4261
                      • Italy - Milan
                      #6
                      Re: Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

                      Seems a backlight problem but so bad video...

                        Comment

                        • Scollins
                          Member
                          • Sep 2018
                          • 18
                          • USA
                          #7
                          Re: Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

                          Sorry, the app on my phone wasn't allowing the full res video to go up, here is a new one: https://youtu.be/oLrmErY61wY

                          And if it is the backlight would I be able to get a replacement online and swap it with the one in my system? And I've been told it's a CCFL system.

                            Comment

                            • budwich
                              Badcaps Legend
                              • Jul 2015
                              • 3097
                              • Canada
                              #8
                              Re: Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

                              take a picture of the back of the tv (back removed) so the forum can see how things are connected. You need to do the "disconnect the tcon" test again.

                                Comment

                                • Davi.p
                                  Hobbist
                                  • Sep 2009
                                  • 4261
                                  • Italy - Milan
                                  #9
                                  Re: Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

                                  Too fast flashes, too poor resolution to evaluate, it's you that must see from near if the image is affected or are only brightness flashes..

                                    Comment

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