Question about Sony Grand WEGA KDF-55XS955 55" Rear Projection HDTV

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Red lines there are red vertical lines on my tv. we just changed the bulb.

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  • oompa loompa Sep 02, 2007

    nevermind, the digital optical cable was unplugged. but, thanks anyway. you really have been very helpful and timely. thanks again.

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  • 279 Answers

That sounds like a bad convergence board, they cause red lines like that when they go bad. Lemme see if I can find some specifics on your model, and getting parts for it.

Posted on Sep 02, 2007

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Posted on Jan 02, 2017

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http://electronicshelponline.blogspot.com/
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I think better to replace the set as all this sounds like a light engine failing.

Dec 08, 2012 | Televison & Video

1 Answer

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HELLO,

IF YOU HAVE A SOLID RED LINE RUNNING VERTICALLY THEN YOU HAVE A FAULTY MATRIX INVERTER. IF CENTRAL THE MAIN VERTICAL INVERTER NEEDS CHANGED. LEFT = LEFT VERTICAL INVERTER RIGHT=RIGHT.........

ANOTHER WAY TO GET THIS FAULT IS WORN OR DAMAGED RIBBON/PLASTIC GOING FROM THE SCREEN MATRIX TO THE INVERTER


I HOPE THIS WILL HELP OUT IN RECTIFYING THE FAULT AND DO TAKE CARE IN SOLVING THE PROBLEM , BECAUSE THE TELEVISION CONTAINS HIGH VOLTAGE....

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1 Answer

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First you must clean connector contacts between plasma module and driver boards, if not solve the problem and continuing increment of wide red line, may be you must change plasma module to solve this problem,

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3 Answers

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This is djb1 who commented above on the vertical lines that have gotten progessively worse. I may have found a potential solution. I unplugged the TV, took the back door off where you replace the lamp, took the lamp out, changed our vacuum from a vacuum to a powerful blower and blew ALL visable dust off anywhere that I could. I paid special attention to the heavy dust that was on the TV blower fan blades and around the mirror. I also held the blower on the outside of the TV on the vents around the lamp door.

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It's worth a try. The free solution may be as simple as clearing out all dust. LET'S HOPE IT'S A PERMANENT SOLUTION!!

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1 Answer

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