Question about Sony KP-43HT20 43" Rear Projection HDTV-Ready Television
My TV was working fine last night, and then this morning, when I turned it on, the picture is distorted. I can explain it as looking like a 3D movie. The way the screen looks if you take off your 3D glasses. If I was looking at the letter A in the bottom corner, there would be 3 of them, one green, one blue, and one red. This is basically how the whole screen looks. In the center of the screen, it almost is clear (not quite), and as you go toward the corners, it gets more distorted. Please let me know if more description or info is needed. Thanks!
I had this problem last week. serviceman repaired the convergence issue.
STK392-560 x2 and either fuses or resistors that were blown out
that stk part goes for around 7-10 bucks each on the web
you will need soldering skills to complete the repair.
Posted on Dec 08, 2007
The other answer here is useless. Try this, it was mailed to me by a good guy who had already solved this problem. Here is a link to the Service Manual - Good Luck!
http://www.schematicsforfree.com/archive/dir/Sony/Video - it doesn't really detail this repair. Scroll through and find your model # and download the pdf.The D board is the center
board, and the 2 big heat sinks you see at the back of the chassis are attached to the 2 IC's that you need to change. You can't see the IC's they're attached at the bottom of the heat sinks facing forward away from you. There are three screws at the bottom of the tray housing all the boards, remove them and you can pull the whole tray out about a foot, much easier to remove the board. Several of the plugs are identical, I used
different color touch up paints and dabbed both sides of the
connection, eliminating confusion on re-assembly.
The fuses, if you need to replace them are on the G board, the vertical board to the left. They're yellow, side by side, and fairly easy to spot. I got the parts from MCM electronics, just Google it, and search for STK 392-560. Get two of them.
The other answer here is useless. Try this, it was mailed to me by a good guy who had already solved this problem.
Here is a link to the Service Manual -
Posted on Oct 18, 2007
You need convergence ics
Posted on May 13, 2007
I have the same problem. Vonvergence all of a sudden went out.
Posted on Aug 25, 2008
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Posted on Jan 02, 2017
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