Hey there. Registered here just because of this thread. I swapped out component cable/coax digital audio for HDMI and am running into the same problem. With the component setup with digital coax running to my stereo, I was able to get digital audio just fine. When I switched from component to HDMI, the box automatically switched ALL audio outputs to 2-channel only. The most annoying thing about this is that the manual shows an easy workaround, but apparantly TW disabled...