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JVC VM-42wv74 Problem

I am having an intermittent problem with my display. It periodically displays what I call a "gamma" problem that flashes up in the lower half of the screen. I have attached a photo of what it is doing. This is not a constant thing, nor can i find anything that I can do in order to make it happen. I am assuming that it is not something terribly wrong with the display portion since at other times it displays the image perfectly in the same areas? It only flickers the problem on and off at times there seems to be either vivid bright colors in the bottom area, or very dark regions that cover a large area of the screen.

I dont mind doing some parts replacement if you might can tell me what parts to replace and where to get them! It is currently hooked to me Mac as you can see in the photo, but problem persists when hooked to any input, composite, S-Vid or Digital. If you woudl rather, my email is madison.p@insightbb.com

Thanks in advance,
Philip

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If the unit is under warranty, send it in for service. Send along the picture as it will help to show the problem. Explain as well that you can not force this to happen thus it is an intermittant problem. That will help if it can not be "fixed" at this time. The re-appearance after the warranty ends will still be covered as it was reported during the warranty period. This is usually a logic problem within the video processing. Unfortunately, without reproducing the problem and measuring inside the unit, there is little that can be done remotely to resolve this.

Dan

Posted on Sep 03, 2008

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Posted on Jan 02, 2017

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