It sounds like something is definitely going in your TV. If you paid a lot for it, you may want to have it repaired depending on it's age. The big screens are expensive to repair and sometimes the repair costs almost as much as a new unit. Get an estimate and then decide because this problem won't go away on it's own. My RCA TV just had the tuner go kablooey. I can't get channels 2, 3, 4, 5 and 6 anymore but I don't care as I only watch channel 68 The Weather Channel in my bedroom so I'm safe until the tuner blows out totally.
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