Question about RCA D52W20 52" Rear Projection HDTV-Ready Television
After ten minutes of being on a really high pitched buzz sound starts then it begins to beep and the picture is distorted
Problem is in High voltage circuit and likely either the high voltage transformer or a connection right under or around it.
Posted on Jun 17, 2012
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Posted on Jan 02, 2017
is this just a whine since you describe no problem with the picture it dosent jump or change color or flicker. there may be an easy fix this sounds like some coils oscillating and i tell you what can be done you can take some silcon and put on these coils to dampen then vibrations. now ther may be other problems but without looking this is my first gues ...where are these coils? ll037 on the power supply deflection board
Posted on Jun 17, 2009
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