u/Zealousideal_Mix5757

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Samsung S90C 83 inch OLED TV QN83S90CAEXZA has some flickering issues where the picture flickers and sometimes goes black for a few seconds.

I eliminated the possibility of it being the video source. The video here shows the issue while in the self diagnoses screen so it seems to be a hardware or software issue.

Any ideas what could be the culprit and if it's fixable? Sadly, it's out of warranty. TIA