Sony CD player CDP XA 20 ES question

I have a Sony CD player model CDP XA 20 ES which I got as part of a bulk audio equipment purchase. I definitely like the looks of this, but it has issues - everything lights up and appears to be working, except when the tray is closed with a CD in it, nothing happens, as though the unit doesn't "see" the disc in it. Anyone have any ideas, and/or is this worth getting repaired? Thank you.