Question about Sony KP-46WT500 46" Rear Projection HDTV-Ready Television

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BLUE SCREEN My sony KP 46wt500 hdtv ready rear projection has

My sony KP 46wt500 hdtv ready rear projection has sound but the screen is just blue can see outlines of images but that is it, can this be fixed and if so how?

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  • Sony Master
  • 8,457 Answers

Ur tv have a problem known as convergence problems.Ur tv convergence board must have it 2 STK convergence ICS and some or all it resistors to be replaced to solved convergencce problems.The shop will cost u $300-350 for parts and labors.

Posted on Jun 06, 2010

Testimonial: "Thank you at least now I know the problem can this be done yourself? or would it be better to leave it to a professional?"

  • Chi Chu Jun 07, 2010

    Call the professional discribes the exact problems,call multiple big screen tv repair shops for the best quote for prices to fix ur tv.This job require soldering replacing ICS,resistors and pico fuse.Never done this before,the shop it ur best bet.$300-350 awhile back,that was the price.Now the price...?

  • manuel11433 May 28, 2011

    how many resistances i have to change and which value they are

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My Sony KP-46WT500 screen shows the tv image in blue only for a few seconds, then it goes completely blank (as if it were off). Do I need to replace the bulbs?


It is rear projection TV that use 3 picture tubes of red-green-blue to show color picture on tv front screen.
Do you see standby red light blinking when TV shuts off after showing blue image for a while?
If red standby light is blinking, please count it how many times it blinks, there would be 3 seconds pause between blinks so count pause to pause and post it here to find out possible solution.
Thanks.


Dec 22, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Blu lines running through pic have an auto convergence but doesn't make any difference.


Adjust Blue screen drive control on focus and screen box 3 on top 3 on bottom turn Blue down, But sony is well known for Bad Tubes!

Nov 12, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

How do I find screen control pot?


it is behind the front bottom panel, will see 6 little nobs, 2 for blue-2 red-2 green

Nov 28, 2008 | Sony KP-46WT500 46" 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

Blue screen sony


blue crt shorting use crt restorer to lift short or replace picture tube /crt

Aug 19, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Clicking on Blue screen appears then shuts off


The problem sounds to be in the power supply board. May also be a horizontal drive problem. Sorry I can't be of more help, but there are may voltage problems ( shorts, open capacitors, bad chip etc ) that couls cause this problem. The reason the set turns blue when it first comes on is that it doesn't have time ( or can't find a signal and the screen default to blue. Wished I could help more.
Ed
NC Electronic
Mills, Wyoming

Dec 25, 2007 | Sony KP-46WT500 46" Rear Projection...

2 Answers

Sony big screen tv, no color


focus block or neck boards on thr picture tubes

Nov 11, 2007 | Sony KP-46WT500 46" Rear Projection...

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