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62.in hitachi projection t.v. has yel...

By cyle4522 on Oct 23, 2009

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62.in hitachi projection t.v. has yellow oval shape in center of screen dark blue color on rest of screen picture fine just color

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posted on Oct 23, 2009

johnnydiode

Rank: Guru Televisions & Video

Expert
Rating: 92%, 302 votes

A discolored Blob, loss of one color or blotchy pattern usually in the center of the screen. The problem is becoming all too common with Hitachi projection sets. What happens is that one of the lenses in the optical block (or light engine) starts to burn or discolor due to overheating because of a blocked air filter causing poor air (cooling) circulation. Nothing can be done when the damage is too far-gone except to replace the light engine-at a cost that makes it not worth repair. if the damage is minimal than to reduce further damage, the air filter should be replaced. The Light engine needs to be removed in order to replace the air filter. Be sure to vote/rate me if this helped Thanks!
Also see link:
http://fyshere.blogspot.com/search/label/Hitachi%2050V500%2050%20in.%20HDTV-Ready%20LCD%20Television

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