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Vertical Bar on JVC VM42WV74

Vertical bar full height of screen. Present most of the time but not always. Took it to repair shop and tech says it is a component that goes the full horizontal length of the screen but refuses to name component.

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A vertical bar can be caused by a number of things. A couple of possibilities:
1) Bad connection to panel at that vertical location.
2) Defective processing chip.
3) Bad panel

Any of the above could be the problem. Some experimentation and measurement would be necessary to determine the exact cause.
Dan

Posted on Apr 09, 2008

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