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Hello, I have a rainbow picture on the top of my rear projection JVC TV...model #jvc av48wp30. Can you please tell me what that could be?

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Hello buttermouth,

I gave this advice out before and it applies in this case so here goes:

What is happening is that your convergence amplifier modules are beginning to go bad. These amplifiers are what amplify the signals used for convergence (how the RGB lights line up on each other) when they go bad the RGB lights tend to bow towards the center of the TV and the colors begin to mis-align. There are many sites devoted to doing the changing of the amplifiers yourself,however although these sites are accurate and give the instructions on how to change the amplifiers they do very little for actual troubleshooting and finding the underlying cause of the problem. In most cases its just that the amp modules have gone bad, but sometimes there is an overheating problem that triggers the damage. I would suggest having a TV repair person come to your place to check the problem and to fix it. The repair should cost about $250.00 - $500.00 depending on the shop and the components used.

I hope this helps

Thank you,

Shuttle83

Posted on Jul 17, 2008

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