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

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Fixing the convergence ic's

Do I need to call a repairman or can this be done by myself?

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Do it yourself, its an easy repair and if you go to the following link they have the replacement ICs and they include free step by step instructions on how to do the repair, and they offer free on-line instant messaging with one of thier techs will youre doing the repair, They even have service manuals. Heres the link
http://servicemanuals.vstore.ca/ If you dont know your IC numbers just click on the contact link on the lower left side of thier homepage and send them an email with your model number and they will get back to you quickly with the proper ICs that your model uses.

Posted on Apr 08, 2008

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you have a convergence issue. The convergence ics need to be replaced. These are soldered in place and should only be done by a professional repairman

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This is symptom of convergence output chips failure in rear projection tv, replacement of convergence output chips will fix the problem.
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Most likely a repairman - but review the info below to determine

convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

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Need a repairman - unless you've done soldering and electronic component replacement b4.
convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
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http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

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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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Bull!!!!!!!!! i dont think he knows what hes doing....
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U say the set is bowed in from top, could this be a foldover? If so then the ic problem may not help. Check to see if any fluid leakage has dropped on your deflection board. If so then you probably will need to clean and replace some capacitors. This is kind of common with the philips projo's. Look around crt for fluid leakage and on board.

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They are large black colored IC's with the markings of STK392-xxx (xxx could be 110,120,150) There could be open resistors as well and you have to make sure if you do replace the IC's that you apply heat sink compond to the back of them otherwise they will prematurely fail.

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