Pioneer CDXP23S is an old model and has been top useful for me to find this Manual. CD Player is still repaired.
Text excerpt from page 47 (click to view)
5
6
7
8
4 Rear Panel
A
1 2 3 4 5 6 7
Disconnect the two connectors. Remove the two screws. Remove the two screws. Remove the eight screws. Remove the one screw. Remove the three screws. Remove the rear panel. Rear panel
DC FAN Motor
MAIN Assy
1 1
CN1 CN101
POWER SUPPLY Unit
B
3
4
�5
3
2
4 6
7 6
5
44 6
2
Note: Do not use an electric screwdriver. If the screw is over-tightened, the screw thread may be damaged.