Question about Hitachi 50UX57B 50" Rear Projection Television

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No picture It started by the tv turning it's off after being turned on for 20 min. I turned it back on and it stayed on. The TV hadn't been turned on after that for a month. When I turned it on it immediately turned off. This time it stayed off about 15 min. before it came back on. The TV went off went off again an has not come back on again. I can still here clicking in the TV each time I press the on&off button.

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Re: No picture

It sounds like something has come loose in that set. I have seen that happen in those sets before. There is a transistor mounted on a heat sink by the horizontal circuits, and the solder joints on its legs crack and loosen. If you have experience pulling the chassis out of projection sets and resoldering boards, then resolder all the major components on the sweep board, especially the parts mounted on heat sinks. If you do not have experience then allow a qualified tech to handle it for you.

Posted on Aug 23, 2007

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