Get your manual.
If you look at your manual, page 13 shows how to connect the audio (and composoite video) to your "Line 1 Input", or something like that. The manual also implies that it can, indeed, record CD's.
This allows you to channel the audio output into your recorder so it appears this is doable.
At this point I stopped reading. It's up to you to take it from here to read your manual and figure out how to make it record CD's.