Question about RCA F32650 32" TV

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RCA Model f27650 High pitch squeal

RCA Model f27650 TV is about 2 years old, when plugged in there is a high pitch squeal and a clicking noise from rear of set , no picture or sound. Opened rear of set and transformer was hot to the touch. Any help would be greatly appreciated. Thanks in advance! TV does not come on I hear a squeal coming from the back

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  • cherrera1 Feb 13, 2009

    My RCA tv is making a high pitched squeel. My son put coins in the back slots of the tv, could this be the reason? I cannot fix this myself, is this a feasable repair if I take it to a shop?

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The high pitch squeal indicates shorted component/s. the transformer goes hot co'z its being overloaded by the shorted component, it too could be the one creating the squeal!!

if you have experience with electronic troubleshooting, try to test some of the components particularly on the secondary part of the transformer.
Be careful and make sure the TV set is unplugged.
test for shorted diodes and transistors, if you're in doubt of your readings try to desoldering one leg of the diode then proceed with the testing/measuring. replace any of the bad components you find exactly with same part number or replacements with the same rating.

spend more time on it resoldering some other cold soldered components.

Posted on Oct 29, 2008

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