Question about Sony KP-51WS510 51" Rear Projection HDTV-Ready Television
You have a defective convergence output IC. Your set has two of these and they should both be replaced.
If you are handy with electronics and can solder and unsolder electronic components, you might be able to fix this yourself. I can give you some pointers if you feel comfortable doing this.
If you decide to call a tech, give him the make and model number, tell him what you told me and that you suspect a convergence output IC failure. He should immediately know exactly what to do, what parts to bring, and be able to fix it in your home in a little over an hour. Cost should be in the $300 range, depending on where you live.
The IC's in your set are part number STK392-XXX, and you can order them from :-
If you take the back off of your set, you will see a large circuit board on the left. That is the D Board. On the back of this board is a heat sink where these two IC's are mounted. You need to get this board out of the set far enough so that you can work on it. There will be wire clamps that you have undo and connectors you have to remove. The connectors on the edge of the board that connect it to the board on the right just pry up. Don't try to remove the large red wire from the high voltage transformer to the HV distribution block, it's a real pain and you can work on the board without having to do this.
Then just unsolder the old IC's and solder in the new ones, and that is generally all you need to do.
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Posted on Oct 03, 2010
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Posted on Jan 02, 2017
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