Question about Sony KP-46WT510 46" Rear Projection HDTV

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Sony KP-46WT510 46 in. ic problem

Hi there,

The following are the issues I'm currently experiencing with my TV.

There is a concave image(middle part of the picture bending in and the outer ends bending out)
The red-blue-green colors were separated so it looked like 3 images at once.

I understand that you've recomanded replacing both the convergence ic when experiencing this problem and refer a webpage to purchase the parts from. Do you think this will solve the blury image and is it something that I could do myself or should I simply take it to a tech and have it repaired there.

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If you can solder it should be an easy fix for about 50.00 You need two Convergence ICs STK392-560 the link I am posting has replacement ICs and provide free tech support by instant messageing as well as instalation instructions with pics on how to change the ICs. A repair shop will charge between 4 and 6 hundred to do the job which is about an hour. I would also suggest getting about 6 of the 4.7ohm 1/2watt resistors also as sony will sometimes blow a couple with the ICs but the repair tech will help you find the open one if there are any. Heres the link to the site.
http://servicemanuals.vstore.ca/

Posted on May 23, 2008

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I have Sony KP-46WT500 Projection TV. For some time it appears convergence went bad. I see multiple images, especially at edges and corners. As many as 3 images Red, Blue and Green. I am an Electronics...


Hi,
It would be great to assist you in Sony convergence issue.
As you said, for some time TV shows bad convergence in picture that shows its matter of lose/ dry solder joints in D board, specially on convergence out ICs pins that need to be re-solder.
There are 2 big black ICs mounted on aluminum heat sink on D Board of TV, below image shows D Board location in TV.
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bc7880f.jpg

Dec 20, 2009 | Sony KP-46WT500 46" Rear Projection...

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Replacing the chip can be a rough job if you don't have tech experience. if you are a fluid tech and you can solder and know your way around a circuit board, just replacing the chip will cost less. if you are not an experienced TV tech, i recommend a service call to the nearest TV tech to replace the convergence board.

May 20, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

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Circuit board with STK convergence IC's must come out .....
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Sony KP-57WS510 Convergence issue?


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1 Answer

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