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

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Skill Level HI there. I am a pretty handy guy, have done some soldering, but not much on modern PCBs. I have a few cheap soldering irons, and a "ColdHeat" soldering iron as well. I need to replace the convergence IC's on my Sony KP-46WT510. Is this a fool-hearty, or dangerous thing to do given my experience? I don't have a service manual. I can get the ICs no problem online. I don't want to mess anything up though. Thoughts? agscheidle at gmail.com

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Its a fairly easy repair, However be careful where you get the ICs alot of places sell the cheap versions. You can get good quality ICs at the link I am posting I am one of their support techs plus they offer free tech support to help you. You will need to STK392-560 ICs for your model. The ICs arent that hard to solder getting them out is the hardest but if you grab some de-solder wick from radio shack its actauul alot easier. Heres a link where you can get quality ICs if youd like. They also have the service manual for your model if youd like one. They email the service manuals.
http://servicemanuals.vstore.ca/

Posted on Apr 18, 2008

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1 Answer

I was told that my convergence ic's need to be replaced along with the 6.8 ohm watt resistors. What doI ask for the ic's and what watt resistors should I ask for. where can I buy these ic's and resistors.


I can help---what level of skill do you have at soldering?

I know these sets pretty well--to begin with confirm actual model number to me---The IC's and resistors can be bought.

The question is are you able to solder etc if I step you thru it?

Whatever chips the set uses you can buy a pair on Ebay for under 15 dollars--the resistors can be purchased at any electronics or TV repair place.

I help people here even AFTER they give me a vote here--idea is for you to get your set fixed and save money.

Tell me exact model and how much skill you have and I will assist you---I do this here for free.

Regards, SD TECH

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1 Answer

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Well you better be pretty handy with a soldering iron. The convergence output IC's need to be replaced. These are large plastic pack IC's with 18 or so pins that are soldered on the underside of the circuit board. These IC's are mounted to large metal heat sinks.

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Hi. your convergence board is failing. this board regulates the the alignment procedure and , the chip set is damaged. replace the convergence board soon.

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sounds like the convergance ic are bad
http://serviceman.site88.net/index_files/Projection.htm

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