I have a JVC AV-56WP30 Projection TV. It was working fine in the morning, the kids turned it on after school and the top left corner of the screen had a redish purple arc through it! I proceeded to check the convergence and it looks like the screen color it part of the problem. The top left and top center cross hair are off, including the lower right corner cross-hair. All the other are fine. The centre top green cross-hair is not only off but the horizontale line through the cross-hair is tilted from left to right (lower on the left side). The bottom right cross-hair tilts the opposite way. All the vertical lines seem fine. Can you give me any ideas on what I should be checking next or whether I should call a service person. I have worked in Televisions before and have a college diploma in Audio Visual with good electronic background but am far from being an expert. I can follow electronic schematics with minimum difficulty. I will be phoning JVC tomorrow and see if I can order the complete service manual for the TV, but I won't receive it for a few weeks because of where I am situated. Any help would be greatly appreciated. Thanks. Rick

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