Question about Sony KP-51WS510 51" Rear Projection HDTV-Ready Television

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Tv went double and green and black lines appeared at the top and bottom of the screen

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Tv has a condition common in rear projection. the geometry and coincidence of the screen is called convergence. this is regular repair in the workshop. I expecting the fail stops in convergence amplifiers (first step of this critical area) because total convergence out of sinc as you are posting can lead to the control of the convergence previous to the amplifiers (is called digital convergence unit). It can increase the cost of the repair. some testing in the bench can divide this decision. But usuallly a simple damage is one color or two colors distortion, your tv shows three of them because this black area visible top and down.

Posted on Apr 17, 2009

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Picture went black except for partial green and blue lines &2 thin red lines


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Please post your make and model number printed on back of TV.

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convergence ic's
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/

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Needs convergence circuit repair----give complete service # off
back so I can get part #...........T.

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1 Answer

Sony kp-46s25


It sounds like you are going to need to have the convergence IC's replaced. Not really a hard job, but the job requires the proper tools, soldering skills, and a service manual to get the proper part numbers and to perform convergence alighnment in the service menu after the IC's are replaced. Good Luck

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