A4 Disk Drive And A5 Disk Drive Board; Removal - Agilent Technologies E4406A VSA Series Service Manual

A4 Disk Drive and A5 Disk Drive Board

Use ESD precautions when performing this replacement procedure.
CAUTION
The disk drive assembly consists of the A4 disk drive and the A5 disk
NOTE
drive board. 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 A17, A18, and A19 assemblies. Refer to
4. Unplug the ribbon cable from the motherboard.
5. Refer to
6. Unplug the flat flex cable from the motherboard and the disk drive
7. Remove the disk drive assembly by sliding it forward out of the disc
8. To separate the disk drive board from the disk drive, refer to
Chapter 4
procedure.
procedure.
Reference, and A19 Synthesizer Assemblies"
Figure 4-5. Using the T-10 driver, remove the 4 screws (1)
that attach the disk drive cover (2) to the deck.
connectors. It is necessary to unlock these connectors before
removing this cable.
shield.
Figure 4-6. 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).
Assembly Replacement
A4 Disk Drive and A5 Disk Drive Board
"Top Brace"
"Front Frame" removal
"A17 RF, A18
removal procedure.
removal
177