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

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Clicking on Blue screen appears then shuts off

I have a Sony KP-46WT500 that you hear it clicking on blue screen appears but then shuts right off. The LED in the front blinks and that is all it does. If Someone can help it would be greatly aperciated thanks. The TV is aproxamitly 6 years old I checked the fuse in the back but not sure where to go from here

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Re: 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.
NC Electronic
Mills, Wyoming

Posted on Jan 06, 2008

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

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.

Jun 06, 2010 | Sony KP-46WT500 46" Rear Projection...

2 Answers

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.

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

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Turn on the big screen sony tv, but fades to blue

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I hope this helps,

Oct 27, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

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if you take the front cover off the tv, you will see 6 little nobe, the top 3 are focus, bottom 3 are brightness, should be RED-BLUE-GREEN in order from left to right, find the one that is blue, turn it down a quarter turn, should fix the problem

Dec 31, 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

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

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

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Kp-46wt500 blue curtain on picture.

Hello kluverbucy,

Can you post a picture of this problem? It will help with the diagnoses of the problem.

Thank you,

Oct 14, 2007 | Sony KP-46WT500 46" Rear Projection...

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