I'm having issues with the sound output on my TX-SR674 and need some direction. I have reset using the "Video 1" and "Standby" button method but it's not making any difference. I took the device to the local AV shop and they said that Onkyo had them do a "Master Reset" and they then were able to output sound without failure. I bring the device home and within 2 weeks it has already dropped the sound. Once in awhile I'm able to shut it off and turn it back on and the sound is there.
Does anyone know how to do a "Master Reset"? Is there such a thing? Please help!