H10 and HDMI Video Dropouts

[Revenoor]

I recently changed to a Denon AVR-4306 with HDMI switching and upconversion and with the H10 connected via HDMI the video drops out, audio still good thru HDMI. You can hear the the receiver relays switching back and forth. The connected DVD does not exhibit this issue and component cables with H10 work fine. Any ideas?