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

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    #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
    #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.

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      #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.

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        #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..

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          #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

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            #6
            Re: Sharp Aquos LC-60E77UN- Backlight making the screen flash brighter

            Seems a backlight problem but so bad video...

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              #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.

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                #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.

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                  #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..

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