Question about Philips Magnavox 55P9271 55" Rear Projection Television

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I have a Phillips Rear Projection TV and when it is turned on, it has a hiss coming from the back. Is this dangerous? Is there a way to fix it?

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The flyback transformer is most likley arcing. It is high voltage so eventually the set will shut down and not power up again untill the transformer is replaced. However those flybacks for that model are very hard to find.

Posted on Sep 29, 2010

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Can you remove the rear panel and check if the hissing is coming from the flyback? Which is a large transformer with a large red wire coming from the top of it? If so can post a link where you can get a replacement their not exspensive and their easy to replace. If its not coming from the flyback post a picture of where the hissing is coming from and I will identify the parts for you, But I feel its the flyback due to the hissing. respond to this same post so I have your correct model number when you reply.

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