Question about Mitsubishi WS-65809 65" Rear Projection Television

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Green and red outlines -- Help!

There are outlines around images and letters (display letters and such). If the set is turned off for a few hours, you can get a good two hours of television watching without it, but then it starts again. It's more on one side of the display than the other. I would automatically assume it was an over heating issue of some sort, however I don't know much if anything about electronics. Just seems like such an expensive item to ditch at the first sign of issues. Help?

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  • Momma Rhonda Apr 17, 2008

    My husband is going to look at it this evening, he knew what IC and Heat Sink meant, so that is promising. I'll keep you posted.

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This is most likely due to a problem in sthe convergence circuit. Since it seems to get worse as the set is on, I would look first for poor connections around the convergence ICs. Bad connections can change the circuit characteristics enough to cause this symptom. Resolder the pins on these ICs. These are large blac ICs attached to a heat sink and should be marked STKxxx.
Keep us posted.
Dan

Posted on Apr 17, 2008

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