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tv screen flickering on insignia 43 inch

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    tv screen flickering on insignia 43 inch

    Screen starts to flicker after 1.5-2 hours of being on. Any suggestions on board to replace. Thank you.
    https://youtu.be/aK6Qi5_HXUc

    #2
    Re: tv screen flickering on insignia 43 inch

    Well it's heat related so that's good. Heat gun and freeze spray are your friends here. But may just be bad connector. Remove and reseat all connectors, especially at t-con and panel. Mainboard to t-con.
    I assume no responsibility for any stupid suggestions I might post.

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      #3
      Re: tv screen flickering on insignia 43 inch

      Yes I reseated all connectors on power supply, main board and tcon. still does it after an hour or so.

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        #4
        Re: tv screen flickering on insignia 43 inch

        When tv cold, take heat gun and start going over one board at a time. See if you can replicate the problem.
        I assume no responsibility for any stupid suggestions I might post.

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          #5
          Re: tv screen flickering on insignia 43 inch

          Right now i have a fan blowing at the power supply, tv has being on for about an hour, good so far.

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            #6
            Re: tv screen flickering on insignia 43 inch

            Check you overvoltage/current protection circuits

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