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Loud humming noise while rca Mod hd50lpw166 is running

I replaced bulb about 6 mons ago and TV has been running great. Now when we turn on TV, a loud humming noise stays on al the time while powered on.  Any suggetions? TV is RCA Model hd50lpw166

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There is a excellent chance it is the Color Wheel in the Optical Block. Some of the older models are not too bad to replace it, on the newer one though it is a major tear down. I would have a RCA Servicer come out to verify and get a estimate. Chances are do to the cost of Optical Block, it would be close to replacement of the Set.
Hope this helps,
Skyassoc

Posted on Jun 29, 2009

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