A23 Disk Drive; Removal - Agilent Technologies PSA Series Service Manual

Assembly Replacement Procedures

A23 Disk Drive

A23 Disk Drive

Use ESD precautions when performing this replacement procedure.
CAUTION
The A23 disk drive assembly consists of the disk drive, disk drive board,
NOTE
and disk drive mount. These are removed from the instrument as a
unit, but they can be replaced separately.

Removal

1. Remove the instrument top brace. Refer to the
2. Remove the front frame. Refer to the
3. Remove the RF section. Refer to the
4. Unplug the front frame ribbon cable from the motherboard.
5. Refer to
6. Unplug the flat flex cable from the motherboard connector. It is
7. Remove the ferrite block from the cable.
8. The disk drive assembly can now be pulled out of the chassis.
9. To separate the disk drive board from the disk drive, refer to
10.Remove the flat flex cable from the disk drive by unlocking the
378
procedure.
procedure.
E4445A" removal procedure.
Figure 11-45. Using the T-10 driver, remove the 2 screws
(1) that attach the disk drive cover to the deck.
necessary to unlock this connector before removing the cable.
Figure 11-46. Remove the top part of the disk drive mount (1). The
disk drive (2) and the disk drive board (3) can now be lifted out of
the bottom part of the mount (4).
connector on the drive.
"Top Brace"
"Front Frame" removal
"RF Section E4440A, E4443A,
removal
Chapter 11