Hi happer1090,
I'm very sorry for any inconvenience this may have caused you. Unfortunately, this sounds like it may need servicing. Here's the thread where you can get details on setting that up: http://forums.cnet.com/7723-13973_102-542437/service-issues-click-here-for-help/
Regards,
HD Tech
About every 30 - 45 minutes the sound quits. We turn tv off, then on , and will work again for a perAny suggestions.

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