Thanks for the replies. I'm not using the 6 channel analog inputs (my DVD player has no onboard decoder). I had the DVD player connected directly to the DVD channel analog L/R inputs, set to use the ANALOG input. I got it to work by connecting the digital output from the DVD player to the COAXIAL2 input and setting DVD to COAXIAL2..
I'm having the same issue with VIDEO1/ANALOG and the Tivo... hrmph. Starting to think my pre-amp may be broken.
-Erik