Question about Sony KP-51WS500 51" Rear Projection Television

2 Answers

Sony TV rear proj works but color is blue

TV works, all the channels come in clear but in blue color. Sony Model KP-57WS500.

How do I get the color back?

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  • 3 more comments 
  • JP Savich Mar 14, 2009

    No lines, just a blue hue picture. TV stays on and does not shut off by itself.

  • christyk6 Mar 15, 2009

    THE PICTURE COMES IN FOR A TOTAL OF 10 SECONDS THEN THE SCREEN TURNS BLUE...THEN TURNS OFF.....THE POWER BUTTON FLASHES 8 TIMES

  • JP Savich Apr 07, 2009

    It took me a week to look at the set. I followed these instructions:








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    There may be several causes but, one is that when any color
    gun is being over driven, the Sony shuts down the gun to protect it. Try this. Remove the
    front of the set by removing the two screws from each lower corner. Next remove
    the black panel held on by 5 or 6 screws. Now you should see a panel with 6
    potentiometers on it. Turning the ones on the bottom row CCW reduces the drive.
    Turn the color down and if all the guns stay lit, SLOWLY turn them up until you
    get the color balance that you like.




    Unfortunately, the screen remained blue... so off to the trash.

    Thanks for all the input.


  • Joe1974 May 11, 2010

    Is it possible to post pictures of this problem? It would help tremendously.

  • Joe1974 May 11, 2010

    With this problem, are there lines in the picture around an inch or 2 apart kinda going diagonal across the screen? Does the TV ever shut itself off?

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I fixed my > KP-51WS500 51 in. Rear Projection Television myself...I took the front off and turned the middle bottom ("bolt?)marked with a B and walla....I turned it the tiniest bit!!!! Just like new!!!

Posted on Apr 02, 2009

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Problem : Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
Sony TV rear proj works but color is blue - 701cb04.jpg
77ea520.jpgSony TV rear proj works but color is blue - f0900cb.jpgmi
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Solution :


You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

I hope this will solve your issue.

Good Luck.

If my solution proves useful please accept it.

Regards
Arjun

Posted on Apr 02, 2009

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Posted on Jan 02, 2017

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I have a sony color rear videoprojector tv model kp-57ws500 that when i turn it on its blurry and video or dvd word is red blue yellow almost like in triplicate. after about 45 min. it clears up and works...


If your TV looks 3D, warped, or distorted it likely has a convergenge problem.
If however it just looks dull, washed out, redish, or if it looks like objects on the screen have halos the fluid in the lens has soured.
You can search google for parts or you can get the parts with repair instructions from sites such as www.TvRepairKits.com

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It is problem of failure of convergence ICs or related circuit. Please confirm model number of your TV that is Sony KP-57WS500 to help you out.
It would be nice if you could past TV snap shot here for easy understanding.
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My tv too had a blue screen problem. Then it started to shut down after staying on for less than a minute. I thought that I would with a huge repair bill but I followed the directions at this link: http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html and now my tv works perfectly.

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

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Probable bad blue CRT and if blue goes bad guess what might
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Sounds like a conergence circuit failure, probably a couple of AMPs and a few discreet components. Probably 250-300 repair

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