TV powers off after an hour or 2. Took advice yesterday and took off the back, check all wired connections and all seem OK. Tapped in the circuit board but could not get the TV to shut off to isolate the problem area. HOWEVER< the second i moved the circuit board, the TV powered off...cannot find any dark areas anywhere on the board. with the back off, I can unhook it for about 5 minutes, plug it back up and it comes right back on for an hour or so....any suggestions?
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