I have a relatively new JVC television that has developed a problem that I can't seem to fix. The black background box that is used as contrast for the different on screen adjustments and settings is now on the screen full time but it's just the black background. I can turn the black contrast background off by changing the setting to clear, but as soon as the setting times out the blank opaque black rectangle re apppears on the screen. It will go off briefly but this seems to be getting less frequent. Help, it's ruining the Olympics. Thanks,Tom

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