Having problems with your Flat Panel Televisions ?

I have a Samsung LCD TV - Model number LE37B679, which is great, but I'm having and issue with it. I can be watching ok for a while and then the picture goes & I'm left with a black screen. The sound remains. I find I have to turn the power off for 30 minutes or so then I get the picture back. Does anyone have any idea as to what might be wrong. I read something about a T-CON Video board issue, but I'm not technically expert enough to know if this is a red herring or not. Please help

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