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I've the schematic diagram of Sony KP seris chasis. But I can't send it to you by this site as it exceeds the uploading capacity, and also prevent me from sending Adobe Reader files and the file capacity comes upto 10MB. If you send your email address to me by Fixya, I'll send it to you by Yahoo. OK.
Your model uses two STK392-560 Convergence ICs. also there are 6 pico fuses on the D board and two pico fuses on the G board which may need replacement also. The Sony type 1 convergence repair kit from www.tvrepairworld.com contains the IC's pico fuses and a few resistors plus instructions on CD of how to do the repair.
you need to replace both STK392-560 convergence ics. You canget replacement ics at the following link and they will give you free instalation instructions with pictures so you can do the repairs yourself.Heres the link. http://servicemanuals.vstore.ca/
are you experienced technician ? if you are not you are gone to mess up your tv you need to replace 2 IC's stk392-040 check power supply if still ok and get in to service mode to make the convergence aligment and is not that easy contac andrews electronics in CA they have squematic for
The convergence amps are the big STK's*** located possibly on the G-board in the sony. It is very difficult if you are not familiar with components and soldering, You can buy them at MCMelectronics, bluestar-online.com, Tritronics, VanceBaldwin.com, etc. Diagrams are online at fixya.com on the rightside of screen. Places like Manual.com or you can search the web. Hope this helps!