Question about Sony KP-51WS520 51" Rear Projection HDTV-Ready Television

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Hello, I have a 2005 Sony KP-51WS520 Rear Projection TV. Recently, the green colors all become a yellowish/orangish color. When you are watching a baseball game the grass is a orangish color. Picture is still very clear and crisp, just the green colors have changed. Blue colors still look fine. Friend said its probably a bulb issue but I think my TV is CRT. Is this an easy fix or is the TV more of less scrap? Please help!

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  • Sony Master
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DLP tvs have a design weakness,the problems it is call a convergence problems,it is dead.This convergence problems,will have happen many times through out the tv live.The tv have a colors R,G,B lines misalignments,have colors shadow pictures or 3D pictures look alike?Yes,than the tv board,that call the tv convergence board it is dead.The tv convergence board,must require changes 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv colors picture convergencce problems.The tvs shops will cost u like $300-350 for parts and labors.

Posted on May 24, 2011

  • Chi Chu May 24, 2011

    DLP tvs are good tvs,beside the crappy design of the tv convergence board that held the tv CRTS tubes colors rays guns,R,G,B colors alignments together,i had one too,before for 20 years.I have to fixed the convergence board four times.All tvs make and models have it weakness,All DLP tvs,the tv convergence board is their weakness.

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I'm looking for the correct part number for a Sony kp-51ws520 bulb (lamp) assembly .


The television you describe is a conventional projection color television, IT DOES NOT use a lamp. IT has three picture tubes that are not user serviceable. If the tv does not start it's probably an issue with the G-board.

Jul 11, 2011 | Sony KP-51WS520 51" Rear Projection...

1 Answer

1. picture is getting darker 2. there is a green outline when the brightness is turned up


Hello ksolovy, i understood your Problem with the Sony KP-53V90 53 in. Rear Projection Television,In fact i encountered already that kind of problem you have it now. Check first the color wheel im sure that the blue section of your color wheel was burned and the blue color turn to dark; That's why you have seen dark picture, Re-place color wheel.

Dec 21, 2010 | Sony KP-53V90 53" Rear Projection...

1 Answer

I have a KP-51ws520 that a friend gave up on and bought a new LCD TV. About a year ago, after a power outage in our neighborhood, this tv now has noticeable streaks across the screen at all times. Is...


It depends on what the problem actually is; are the streaks colors like red or blue outlines around lettering etc?

The more you tell me the better I can help. I will post a photo or two of what convergence problems look like.
This set is also prone to another problem, on a blank video input look at the screen: you should only see Video 1 (etc) and if you see faint curved lines (red, green or blue) and or the back ground is also wrong color you have the second problem.

let me know which it is.. If this information helped you rate this solution as very helpful as I do this here for free.

SD TECH


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Aug 20, 2010 | Sony KP-51WS520 51" Rear Projection...

1 Answer

Sony KP-51WS520 51" Rear Projection Colors have been over saturated for awhile...selecting vivid seemed to help. But now I am getting a ghosting effect on most words, always to the right.If I go to...


The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 09, 2010 | Sony KP-51WS520 51" Rear Projection...

2 Answers

RCA 52" Model D52W23 Color Distorted


its not due to the fuse.its the problem of the ic on the maIN BOARD of the tv just check out for the faulty on the main board with multi meter and replace it.

Dec 19, 2008 | Sony KP-51WS520 51" Rear Projection...

1 Answer

Color yokes for KP-53XBR45


1-451-441-11 for the Red and Green tubes
1-451-441-21 for the Blue

Dec 19, 2008 | Sony KP-61V90 61" Rear Projection...

1 Answer

Sony KP-51WS520 , lamp flashes 9 times but TV will not turn on.


open means they have to be replaced they are no longer good and chassis is what the tv is inside (its the electronics works)

Apr 14, 2008 | Sony KP-51WS520 51" Rear Projection...

1 Answer

Sony KP-51WS520 Stand by flashes 5 times


When a Sony TV flashes five times, that means that there is an AKB circuit fault.
This means that there is something wrong with the video.
When you get this error, several IC and components concerning the video signal must be tested and eventually replaced.

Mar 13, 2008 | Sony KP-51WS520 51" Rear Projection...

2 Answers

Sony TV KP-46WT500, 46" Rear Projection TV , colors mixed up


You have a pair of Bad STK392-560. replacing these will definitely fix the set.
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Best regards
CircuitCity

Dec 19, 2007 | Sony KP-46WT500 46" Rear Projection...

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