I'm trying to get to the bottom of some technical issues I've had with my home theater setup. It's always been fed power through a pretty high-end UPS/line conditioner, so I doubt that's the problem.

So quick question... I have an Onkyo TX-NR807. It has been a relatively awesome receiver. Except (you knew it was coming), the HDMI ports keep failing. It's failed on me four times. The picture keeps ...