Question about Sony Grand WEGA KDF-50WE655 50" Rear Projection HDTV

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I have a blue mark on the corner of my screen and several blue specks throughout the center of the screen. I changed the lamp thinking it was that but the blue is still there. What else could it be?

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This is optic unit (light engine) problem, it has 3 color lcds and blue lcd along with related UV filters became defective and causing blue mark on front screen.
Need to replace optic unit (light engine) to resolve the issue.

Posted on Aug 20, 2010

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Posted on Jan 02, 2017

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