Question about Panasonic PT-50DL54 50" Rear Projection HDTV-Ready Television

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Panasonic PT-52DL10 DLP TV

I believe that my TV needs another replacement lamp, however, in addition, there is a loud humming sound coming from the center of the unit behind the main circuit panel. Besides cooling fans, are there other "spinning" components inside? I attempted to disassemble the front panels to investigate the problem, but I am not sure of the procedure to get behind the circuit panel. Please advise.

Thanks,
Bob W.

Picture & color distortion if TV is powered down and then restarted in less than 1/2 hour. If started after 1/2 hour it is OK.

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Color wheel bearing can make the noise you describe, and that will also cause color distortions.

Posted on Feb 16, 2008

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