Question about RCA F36650 36" TV
It looks like the squeal or high pitch is produced by the flyback part # 257805. Also check the the secondary side of the power supply for around 130VDC if that voltage is found to be lower than 120VDC I would suggest to replace CP80 with a 100 mfd@250 vdc. Part # 218374
Globalsemi.com has these parts, for the flyback transformer just type in search for FLY-391, this one is cheaper than the genuine(257805) fly back.
Posted on Jan 17, 2008
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Posted on Jan 02, 2017
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