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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Posted on Jan 02, 2017

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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

I have a KP-57WS500 57 in. Rear Projection


No,U have solderwicks?U can buy it,in any Radio Shack store.Use solder iron on top of the solderwicks to soap up the solders out ICS pins.Replaced the ICS use any kind solders just resoders ICS back to the heatsink.Tries Websites Tv repair World.com,Tv repairkits.com to buy a complete convergence kit.

Mar 06, 2010 | Sony KP-57WS500 57" Rear Projection...

1 Answer

I have a rear projection Sony 52 " about 10 years old. The picture is good but there are blue curved lines.


The blue CRT is getting bad, you can try turning down the Blue CRT drive control slightly which may slow the progression down some, but eventually the Blue CRT will need to be replaced

Jul 12, 2009 | 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...

1 Answer

Sony rear projection screen is red then tv shuts off


Can be 1 of 2 things. 1st the red tube just needs the voltage to it turned down. In the front of TV (you have to remove the lower front half of TV to access it) is a plastic square with 6 knobs. The from left to right top knobs control focus for blue,green red. The bottom knobs control voltage to each tube in same order (so lower right knob for red) turn SLOWLY to left to reduce voltage until excessive red and lines go away. If you over turn left or right set will turn off. If that does not fix it or if lines reappear then option 2 is that red picture tube is failing outright and needs replacement.

Jan 29, 2009 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Sony kP-57ws500 picture is distorted not right


It calls convergence problem due to failure of convergence output ICs.
If you want to repair it at your own, let me know if you have basic electronics knowledge and little experience to guide you more.

Nov 08, 2008 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Sony KP-57WS500 57 inch TV


Probable convergence IC failure = replace both for reliability..T.

Nov 24, 2007 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Sony kp-57ws500


Probable bad blue CRT and if blue goes bad guess what might
happen to the red and green.........T.

Nov 07, 2007 | Sony KP-46WT500 46" Rear Projection...

2 Answers

Rear projection tv flickers green/shuts off


rodman, i just started having the exact same thing on my Sony (same model). it's about 5 years old. did you ever find a solution?

Dec 10, 2006 | Sony KP-57WS500 57" Rear Projection...

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