Question about Panasonic PT-56HX41 56" Rear Projection Television

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Red convergence I'm having the same problem that was in the previous post about convergenc of the red beam. It is way off to the left and will only adjust so far to the right. I replaced one of the convergence chips that was marked red (the other one was marked blue) to no avail. Do both IC's have to be replaced to fix this, or do I have another problem?

Posted by Jared Wennermark on

  • Jared Wennermark Sep 15, 2006

    I replaced the other convergence IC and the problem has shifted to the right side now (red won't adjust far enough to the left), and there is some bowing of the red cross-hairs on the convergence set up screen. What do you think is happening here? I have not replaced any resistors yet.

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Anonymous

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It could be the other IC as well as you are suppose to replace both at once! You see these ICs have three amps in each on X 2 =6 2 for red, 2 for green, and 2 for blue. There also might be small resistors near the IC's that are open. These are called fusable resistors. They are of a low value like around 1 to 3 ohms most of them.

Posted on Sep 13, 2006

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