Jimna,
I had a similar issue with my previous 970. It wouldn't respond to the remote or the volume control on the unit...it was on but didn't do anything. I ended up sending it back for repair. If I remember correctly it was a bad capacitor. Once replaced it worked fine.

John
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HT:
Pioneer VSX-1120
Salk Songbirds, SongCenter, SongSurrounds
Panasonic BDP-45
Outlaw LFM-2

2 Channel:
Red Dragon M-500 monoblocks
BAT-VK3i
Salk HT-1TL's
Apple TV
Beresford 7520 DAC
Surgex XS10