After two warranty repairs for my Samsung TV, maybe it’s purely coincidental, but after getting a power conditioner all my electrical gremlins went away. Unless you can hear the noise, I’m plugging my TV into some kind of line conditioning. Remember these are smart TVs with little computers in them and anybody with a serious computer is gonna have some kind of line conditioner on it.
found thishttps://www.amazon.com/Tripp-Lite-LC1200-Conditioner-Outlet/dp/B0000512LA/ref=mp_s_a_1_1?adgrpid=58903450547&dib=eyJ2IjoiMSJ9.EIh4Xmn5GvF81jGqOVjj6UscDrDpWhfiV96f5Yrb6CKyb245DefQ5I3-_M9Yrv5AY9DQuJdBoGh-i_F8V0jZvAtGIuMWJQLcDvKsQKfLETQzWELNHD_4nFQITpQkoJGT5BLQXKdMkzFjw2k6cpB6mK-PNEmghQ6mX920pczSg6110gqqqnpjnGtjUlikYV3XzPICd1IQJA8EMSgfX57z9Q.nUuAX78nVlK89e84AS15M61NDhIXfA_dUMZOqyKZ_p8&dib_tag=se&hvadid=609115719838&hvdev=m&hvlocphy=9033780&hvnetw=g&hvqmt=e&hvrand=11760848827120064732&hvtargid=kwd-295479254302&hydadcr=19029_13450128&keywords=lc1200&qid=1736456989&sr=8-1 at Goodwill. Gave it to my neighbor, and she came back, telling me how impressed she thought it made the TV screen