I'm trying to fix a friend of mine's Tv. The brand and model are in the title. The problem is it turns on but just shows a blue screen with a "no signal" on it. I'm unable to change inputs nor do any of the buttons on the Tv do anything(other than the power button). The remote does nothing. I will say that when I plug in the tv to an electrical outlet a high pitched noise comes from the board/power supply. Would I be correct in thinking I need to replace this board?
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4/23/12 at 4:16pm