Question about RCA HD52W56 52" Rear Projection HDTV

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Help;;;;;;;;;;;;;;;;;;;; Hi, I have a green lite but the tubes wont start, have unpluged it many times for reset. Took back of, there is a screching noise comeing from the bottom board, i tracked it down two a power supply, it is a coil ,copper wire, has about 6 legs going into the board. is there anything i can do other than ordering a hole new board. the board# is266862 from rca 100$ could it be a fuse. there are no fuses there. like the old glass ones. could it be something in front or behind the flyback, ithink thats the name fo the part thats bad, or can another part make it squeel? the set is only 2 years old. ANY HELP:::::::::::: Steve

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Question #1 can you look on back and see what the chasis # is and also there is in small print a # that reads model like hd52w56....yx1 or yx5 or something like that. i need these numbers because there are certain models that have service bulliteens. also when ordering parts u need to get right parts. The sqealing from a coil usally indicates something is loading.that cuircit. you may have a component shorted. ussally when a tech hears squealing he looks at the horizontal output and flyback as the primary reason for this. Recently the prices for some of these boards have come down. and may be the best route to go.

Posted on Jan 17, 2008

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