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

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KP-57WS500 I have a 3 years old sony projection TV KP-57WS500. When i start my TV its show me green horizental lines and picture is in curve shape. I tried to focus but didn't work. Can somebody help on this issue. thanks

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It is fixable. I've had blue lines. If you take the whole front speaker grill cover, there is a Red, Green, Blue potentiometers that can be adjusted.

Posted on Sep 08, 2007

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Sounds like a conergence circuit failure, probably a couple of AMPs and a few discreet components. Probably 250-300 repair

Posted on Apr 21, 2007

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I have a 8 year old 57in Sony projection HDTV,when the picture is dark you can see faint blue lines in a curved arch like pattern across the screen.Any ideas? Thanks


The tv problems is call a convergence picture problems,it is just starting to developing.This problems when it is fully developing into a convergence picture problems to the tv eventually.Tv will develope into a colors lines R,G,B mis alignments,have a colors shadow pictures or into a picture 3D look alike.Eventually the tv convergence board will dies,have to have it parts replaced like 2 STK convergence ICS and some or all of it resistors too.This problems the tvs shops will cost u like $300-350 for parts and lobors.

Aug 13, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Sony KP-51WS500 projection tv. Screen is green with curved lines


The green picture tube has an internal short. Happened a lot with that model. The tubes are no longer availible. But a reputable company called Video Display will rebuild the tube completely. But the tube must be pulled and shipped to them. Most repair shops would charge around $400 to $500 for the complete job.

Jul 09, 2009 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Red lines across screen


had tv that did the same thing after three years but they were green cost me 300 bucks to get it fixed and the guy said every 3 to 5 expect it

Jul 03, 2009 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Red and green curved lines when the screen is dark


Your convergence board is going out. this will have to be replaced. i would take a look at the main logic board as well. it could have minor point breakage.

Feb 09, 2009 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Sony KP-46WT500 Red, green and blue lines appearing on screen


your convergence IC;s are out, they cost about $40, if you know how to solder, you can do it your self, if not , I would try to find somone that can, service centers charge about 4 or 5 hundred, after you get the new ones, there easy to find on the board in the back of the tv

Nov 26, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Sony tv KP-57XBR10W


Correct ! One set is for RGB focus and the other set is for
RGB screen voltage............................T.

Oct 05, 2007 | Sony KP-57HW40 57" Rear Projection...

1 Answer

3 curved lines top & bottom/blurred picture


This indicates a convergence problem..convergence power supply probally.. however ive seen 2 other cuicits cause this ..

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3 Answers

Sony KP-51HW40 No Picture, only sound


to thus problem its very simple .! try to resolder at the back of the picture tube board.

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