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

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Convergence ic my television has a red shadow image the appears to float in an arc toward the bottom of the screen. how do i fix this?

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You will need to replace your convergence IC's. They are located on the D Board, left side board that is mounted flat on the bottom. They are on the two large heat sinks you can see at the back of the tv. Get the part numbers off those and order some new ones along with thermal grease. You'll need a good desoldering gun or braid and a good solding pencil. Buy thin soldering not the thick stuff. Radio Shack is a good place to get irons and solder for the job.

Posted on Jul 07, 2008

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Blue shadows and a yellow and blue arc acroos the bottom of the screen


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 convergence board it is dead.The tv convergence board must require replacing 2 STK convergence ICS and some or all of it resistors too.To fix the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

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Ur Convergence board is dead or deffective with the IC chip.

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You have bad convergence ICs, requires disassembly and soldering to replace, quan (2) stk392-120 can use 150s or stk394-160 also.
they are located on the SSM CBA facing back left side, many delicate cables , torx 10 screws also look for any discolored 6.8ohm resistors near the ICs, usually (2) burnt resistors. most shops charge around $300 for the job done in house. Also will need to check that the yoke aren't loose and tilted (philips had black tape on some). and you may need a fluid change by now on the Blue and green CRTs (a professional job for sure). good luck !
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that sounds like a typical Convergence IC problem..

http://i.ehow.com/images/GlobalPhoto/Articles/4575598/ConvergenceICs_Full.jpg

this is a picture of what typical convergence ics look like

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Sounds like a convergence IC problem, you will need to replace them'

Heres a quide
see the before and after pictures to verify your problem
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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1 Answer

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HELLO. it not in adjusting the len's it's in the convergance board. the IC'S ON THE BOARD NEED TO BE REPLACED."GOOD LUCK"

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1 Answer

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need to change both convergence ICs STK392-560. you can get replacements at the following link with free instalation instructions with pictures.
http://servicemanuals.vstore.ca/

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your having convergence circuit problems, you`ll need to change the convergence IC`s and any burnt resistors in the convergence circuit, if you have questions e-mail me back, good luck, BMW Rider

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1 Answer

Blue arc


There are 2 large convergence IC's and the one that handles Blue Vertical (BV) has burned out and needs to be replaced. This is by far the most common failure in those projection sets. It is a good idea to go ahead and replace both STK392-110 IC's with the newer improved STK392-150's. If you have never replaced convergence IC's and realigned convergence circuits then have a qualified tech handle it for you.

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1 Answer

Blue and red shadows on screen


This sounds like one of the convergence IC's has cracked loose or burned out, and should be replaced and realigned by someone with experience.

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