D-7
(5) Removing the power supply circuit board for the expansion hard disk drive
6. Remove the mechanical circuit board cover from
the hard disk drive (4 screws).
When attaching the hard disk drive to the mechan-
ical circuit board, tighten the bushing at the back of
the mechanical circuit board until it appears as
shown in the illustration.
4599U022AA
4599U038AB
1. Remove the lower rear cover (4 screws).
NOTE
During assembly, place a toothed washer onto the
screw in the upper-right corner of the lower rear
cover.
4348U018AC
2. Disconnect the connectors from CN1 and CN2 on
the power supply circuit board.
4599U013AB
4599U018AA
CN2
CN1