Check the elco's in the power supply for bulges/leaks, but more likely to be an intermittent LED. They're in series so it only takes one to knock out an entire rail.Hey guys. I hope I'm.not intruding, I have an lg 47" the picture flashes on and off, when I lower the the brightness and put it into Eco mode it sometimes stableisess. Could it be the power board? Any advise would be apreciated. Thank you
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