I have a Yamaha 5.1 surround sound receiver (don't know model) connected to a Mitsubishi 50" rear projection TV. I have Cox cable. Issue: when watching cable channels, screen indiscriminately goes to blue screen (with sound OK). When I briefly power off the TV and power back on, it stops the blue screen and picture is restored but, it continues to happen. Funny thing is, I can watch DVDs and the problem does not occur. I've had Cox out and they have shown me that the BER on the cable box is very low and the signal strength is within tolerances.
What should I be looking at?
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