This is a HDMI interoperability issue caused by the current software. The box is not defective.
The 6xxx series boxes exhibit fewer HDMI issues than the 7xxx series.
I have had a 6xxx box for over 2 years and never had a problem until a few months back, all with the original set-up. The only differnce was I added a STB and software to use the DVR on that STB. But I guess I'll just wait until they get a bigger HD to complain about it.
