Sony PCV-RXP-RZP System Reference Manual page 59

3
Disconnect the drive connector (A).
Disconnecting the system (PCV-RX series model)
4
Disconnect the power connector (B).
5
Pull out on the tab (C) that secures the drive holder to the chassis.
Upgrading and Maintaining Components
A
B
C
45
Drive connector
Power supply
connector
Tab
Disk drive holder