Question about Philips Magnavox 51MP392H Rear Projection Television

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I have a 1999 Magnavox rear projection tv. The colour when it powers up is normal but after about a minute the picture turns turns yellow. I am wondering if I could fix this problem myself. HELP ME!

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  • noslen2521 Feb 26, 2009

    I am familiar with soldering but i dont know what a RGB video driver transistor is. Can I have a diagram or something to show me where it is. I do not have the owners manual.

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  • Philips Master
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Sounds like you might have cold solder connections on the R<G<B video driver transistor on each of the crt sockets. If you have never done soldering of this kind then I would suggest you call a svc co. It's not a major repair if that's what it is.

Posted on Feb 26, 2009

  • Jim Krause Feb 26, 2009

    Those are the boards on the end of the Red, Green, and Blue Picture tubes. You can get to them by-way of the front lower cover. You'll be able to figure it out. Don't forget, un-plug the set before soldering. The drivers are usually mounted on heat sinks, look the boards over very carefully for ring cracks around the joints. DO NOT disturb the centering rings on the CRT's.

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