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

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Blue vertical lines

I have blue vertical lines that go from top to bottom across the whole width of the tv about 1/4 inch wide. can still see the picture behind it. any idea what would cause this.

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  • smclaren76 Jan 25, 2008

    is this the only thing that would cause this?

  • Anonymous Apr 11, 2008

    I just had my optic block changed. It worked fine for a day, I turned it on this morning and there are green vertical line running the whole width of the tv. Could they have installed a bad optic block?

  • DRIVERDOG3 Jun 16, 2008

    I HAVE MULTI COLORED VERTICAL LINES RUNNING THE ENTIRE WIDTH OF HE SCREEN. BLUES , REDS, GREENS. THE UNIT DOSEN'T RESPOND TO ANY VIDEO FUNCTION. I TRIED RESETTING TO FACTORY DEFAULT WITH NO SUCCESS. THE UNIT IS ONLY 2 YEARS OLD.

  • Anonymous Mar 21, 2014

    Eprom was upgraded in 2009. The line looks like a glare and can only see it sometimes

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  • 3 Answers

Yes...your light engine/optical block is shot... 1500 dollars.

Posted on Jan 25, 2008

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Further info, pics, comments, and updates on my Facebook page at

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