DVD / CD player quits playing?

I have a Panasonic 5-disk CD & DVD player/Home Theater Sound System (SA DT720)...It no longer plays a CD or DVD all the way through....It will suddenly stop and start over...and over...and over.... I have tried useing a lens cleaner, but that didn't help... it isn't because of scratched disks, since it does it on brand new disks. Is this problem fixable..or is it time to get a new player?