Question about Toshiba 46H83 46" Rear Projection HDTV-Ready Television
Occasionally the picture will become rounded at the corners showing some color striping. This usually clears itself. Recently the picture began shutting off momentarily with good sound. Now the picture is also abruptly closing in and then popping back to full. I've checked several online troubleshooting sites looking for a similar problem. I'm thinking it might be the convergence board. Can repairs/adjustments be made in the service mode or is replacement of the board recommended?
Replacement of the board is never recommended, unless the board caught fire and is all burned up. If the convergence circuits quit working then you still see a picture, but the 3 colors just dont line up with each other. The picture shutting off, closing in and then popping back to full suggests a loose solder joint in the horizontal deflection circuits. This is something that cannot be adjusted in the service mode and the repair should be handled by a qualified tech.
Posted on Aug 07, 2007
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