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

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Concave TV screen

My Sony TV Model # kp-51WS500 screen became concave and the colors separated from one another. What should I do?

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  • Levern Aug 21, 2008

    I too have a concave picture with separation of color the further from center
    mine is under extended warranty
    if they fix it I will try to post the solution


  • Jason Feb 21, 2009

    Same exact problem. My picture is concave and I can see 3 copies of the "picture"....one red, one green and one blue. Any idea on what a reconvergence costs?

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Your tv needs to be looked at by a professional tech..it may need reconverged..

Posted on Nov 04, 2008

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The picture on our Sony TV Model KP-43HT20 recently became distorted, concaving at top and bottom. If I use reset the Flash Focus, the picture will return to full screen side for awhile but the colors do...


The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergene board have dead 2 STK convergence ICS and some or all of it resistors are dead too.These parts on the tv convergence board,must be replaced to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

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This link has the instructions on how to fix this problem and other similar problems. You have nothing to lose, so I recommend that you try it.

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

This works with the two other colors, blue and green also. Not all models of Sony Projection TVs have the red, green, and blue pots in the same order as the picture that is listed on this link, so you may want to google search for your model's service manual. The service manual can also help you be able to remove the cover for your particular model of TV. I was able to find the service manual for my model, and sure enough, the order of the pots are reversed on mine, so I would have been adjusting the wrong color. Read all of the comments on this link too, because you can find other helpful tips and may even find someone with the same model of TV as you that gives more specific instructions for your model.

You may also find your model's service manual here:
http://esupport.sony.com/US/perl/index.pl

I hope this helps you!
Fare well. :)
Iconoclast

P.S. you can also clean the mirrors and dry dust while you have it open.

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1 Answer

The picture is out of foucus


If your tv is Sony KP-51WS500, then its rear projection tv and problem seems in convergence stage.
Please confirm model number to guide you further.

Oct 11, 2008 | Sony KP-51WS500 51" Rear Projection...

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Sounds like some kinda convergence problem. Can you post an image please?

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you can get it your tv fix the problem is in the IF amp and video circuit.a convergence will also be neeeded.the tv is old but can give you some more life call a tech they will be your tv doc.

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