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WHINING SOUND I have an RCA model #HD50LPW62AYX2 hdtv dlp rear-projection set. The picture went out, so replaced the lamp. The picture came on, and after two weeks, there is a loud whining sound coming from the side of the TV, which even continues for a time after the set has been turned off. Could this be the cooling fan?

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More likely it is the color wheel this set uses---it is located inside the optical engine---part number for it:

267888This part is no longer available from RCA but is available on several sites on the internet (google the part number)

The wheel will when going bad sometimes make a fan like noise or even a high pitched whine.

Check out the sites on the net that sell this for price and decide if you want to attempt to replace it or if you have to have a shop do it for you.

Let me know if you have any questions or need advice.

REGARDS, SD TECH

Posted on Oct 05, 2009

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