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Convergence issues I was recently given a older Sony KP-48S35 projection tv with a convex picture. I wanted to try and repair it. With the remote, I can adjust the convergence left and right, but not up and down? From what I have been reading this is probably a bad convergence IC. I have read there are pico fuses protecting the IC's and to make sure they are not blown. I have looked all over the board, does anyone have any idea where they might be? Also, is there any way to prove that I have one or both IC's bad? Thanks for the help, I was wanting to put some of my electronics training to good use but it didn't take long for me to get lost.

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There on front left board is 2 black ic chips STK392-560s or STK392-110 depends sony uses different #s replace with same part number if it is a 392-110 use 392-180s they are better then 110s you can order parts at Electronix Parts -800-223-3205. When 1 is bad always replace both of them.

Posted on Dec 19, 2008

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