Your first post looks to be buried on page 3 of a 6 year old post.
Did you check the item I noted? And after that, call it in.
Hello my name is Tristan, I recently got a Samsung smart tv series 5 and the YouTube videos keep dropping their audio. I've tried rewinding the video pausing and playing it. But nothing is working my model number is: UN40J5200AF please help soon.

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