No he probably has a standalone from walmart..
Here are the Memorex DVd players
[Link: memorexelectronics.com]It looks like they all have a coaxial digital out. Look for this. It will be a RCA type jack. all by itself. I looked at the 2027 models manual and it has the dig. output to the right of the component jacks.
Eric
http://www.integrationpros.com