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Repair and disassembly information for the Samsung 55" UHD television with model numbers UN55MU6290xxxx. Released in 2017.

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Picture starts wavering then vertical stripes appear

My 55k 8000 picture slowly wavers then the entire screen shows vertical lines. Takes about 15 minutes. If I turn it off, then on, picture starts well then this scenario repeats.

Update (09/05/2019)

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Answered! View the answer I have this problem too

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start with a t-con board first then let us know what you get.

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@djm1803 could be a bad t-con board or main board. Post some pictures of what your screen shows and of all the boards so we can try and help you further. Adding images to an existing question

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DJM will be eternally grateful.
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