Question about TV Receivers & DVRs
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?
Try hooking all systems involved to the same electrical circuit, using a power strip if neccessary. also check your big screen and other equipment and make sure that any polarized plugs are in correctly. if you are an electrician, or know one, check the circuits that you're using to be sure the outlets are wired correctly. if the ground, neutral or power are not wired to the outlets properly it will seem to work, but not right. check the "cable line in" at the ground block with a multimeter for excessive power or get a qualified cable tech to check. when you touch the cable coming to the box or the tv and also touch the cable in do you feel a tingle? if so, it is most likely a power issue as mentioned above.
Posted on Apr 30, 2008
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