Question about RCA F27442 27" TV

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Rca f27442 My television has no picture or sound. It makes a whining sound that won't stop until the tv is unplugged. When I plug it back in, the whine starts again. I left the tv on one night and woke up with the noise and no picture. It hasn't worked since.

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You may be able to get by with just a new Horizontal output Transistor location Q14401 after repairing the coil L14401 connection. I suspect the repair would not be worthwhile if the high voltage (flyback) transformer is bad as well as that part costs about $50.00 by itself.

Posted on Dec 24, 2006

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Check for shorted base-collector junction on horizontal output transistor designator Q14401. Also coil L14401 going to base of transistor needs to be desoldered, scrape ends, resoldered. If horizontal transistor is shorted, real possible flyback transformer bad.

Posted on Dec 22, 2006


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