Question about Zenith A50M91W 50" Rear Projection Television

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Green spot on the middle of screen.

I have a 1998 proj. tv Zenith model A50M91W, it has a green dot in the middle of the screen about the size of a dime. How can I fix this? Also what's the best way to clean the mirror, lensses and screen?. It was in storage in the garage and I think it is dusty inside. Thank you.

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If the spot is perfectly round then most likely you have phosphur burn on 2 of the CRT's. If it uneven then maybe it is a spider who has made his home in there (not uncommon as it is warm and dry which is what they like).As far as cleaning goes, don't use standard glass cleaner as it will damage the screen. Use warm water and a soft towel, or purchase glass and plastic cleaner which is ususally a foam type spray.

Posted on Jan 26, 2007

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Posted on Jan 02, 2017

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