Question about Sony KP-57WS500 57" Rear Projection Television

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Picture has horizontal lines on screen

There are fine red green and blue lines running horizontally across the screen.The lines have a slight arc pointing to the top of the screen.
There is also one each, single red green blue line arc originating from the top and bottom center of the screen and extending toward the middle of the screen about two inches.These lines start and terminate about 10 inches from each corner.These single lines are more pronounced than the lines that run all the away across the screen.
The rest of the picture is clear and has good color.

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Its the problem of convergence in your set .there r two ic on the board that has to be replaced.
to replace it manually just try this link
for alignment problem in tv projector http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Posted on Jan 19, 2009

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Welcome to Fixya! It is failure of convergence ICs and these two ICs will be replaced on D board.
If you are comfortable with TV repair and know good soldering skills then can do the job easily.
Convergence ICs are mounted with sliver heat-sink on D Board of TV and part number will start with letter STK...

Posted on Jan 19, 2009

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