<font color='#000000'>When listening to dvd-a or sacd on your 563A, you don't use your regular dvd button on the receiver. My receiver has a button called "DVD MULTI" that I have to use. Don't know if yours has the same name for this button?
On my friend's Denon he has to turn the knob to dvd, then push the "EXT. IN" button, to hear his. Are you using a different button than the regular dvd button?
If you are using the regular dvd button, you'll need to go into the player's setup menus and set the dvd output to video. Then you can listen to DD or dts tracks. But these are not the HiRes music tracks. You'll have to have the dvd output set to audio, in the player's setup, and use the Multi or EXT. IN button to hear the HiRes music...........
Good luck!</font>