Since my initial post, I e-mailed NAD about the issue again and they gave me the location of a repair center that I can actually get to. Why they didn't do this the first time is beyond me, but at least they gave me a reasonable answer this time. I'm thinking of bringing it in anyway, to see...
My NAD T762 inexplicably stopped outputting Dolby and DTS audio a couple of weeks ago. I've played DVDs and HD DVDs on two different players (digital optical) and an X-box 360 (analog connection), and the receiver isn't able to output proper sound anymore. Stereo music is fine, however.
I...