Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

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How to tell if STK392-560 is defective? Thanks, Jim

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  • JimRiver May 27, 2008

    Thanks a lot!

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There is no way to electrically test these ICs because they have so many more parts internally.
The way to pin point that they are defective is by looking the way the picture on your TV is behaving, if you are unable to converge all the colors using the remote; that will one indication that the STK392-560 are defective.
You might also have to measure some low value resistors nearby the ICs, because they become defective as well.
Let me know if you need further assistance.

Posted on May 25, 2008

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