Question about RCA P52937 52" Rear Projection Television
The high pitched noise you have mentioned is definitely coming from the horizontal deflection circuit. Check the deflection circuits for any damaged capacitors on the deflection circuit. Cracked, leaky or swollen(at the top) if its electrolytic. SMD caps are more complicated. You should have a multimeter capable of measuring capacitance and equipped with a tweezer. Best thing would be just to replace all the caps on the deflection board. Should be around 15-20 of them.
Posted on Feb 02, 2010
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Posted on Jan 02, 2017
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