Nice player by the way
Well I have a ipod mini and I had the same problem I just reinstalled the firmware. I'm not sure if thats it but its worth a try.
If its not that you might have to call sony
Asus P4c800-E 3.2e @3.8ghz
1gb corsair xms pro2-2-2-5 aiw 9800 pro
audigy 2zs klipsch ultra's
74gb raptor wd 2000jb
pioneer 108 pioneer 120s