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Discussion Starter · #1 ·
I am unable to find at the AVR-790 manual or the forum but most of the threads deal with audio and video.

I have an HP PC with an onboard Realtek ALC888S sound card. I am sending MP3s through the optical out port to both my AVR-790 and a Yamaha RXV-365. The Realtek control panel in Windows 7 (64) is set to HD Digital audio as the default (with activity in the EQ display when playing) and I have an optical cable plugged into the "digital audio out" split to both amps and both have signal at the ends of the cables. I have tried to assign the Optical 1 input to CD and let it run on auto detect, and also forced manual assign. When powered on the AVR-790 selects the CD but no sound. I have tried similar input setup on the Yamaha and also cannot get sound.

What am I missing here? Thanks in advance.
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