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Procedure 7.
A6Al
High Voltage Assembly
15. Remove the three screws securing the
A6Al
high voltage assembly to the A6 power supply
assembly.
16. Disconnect ribbon cable
A6AlWl
from A6J5. See Figure 4-11.
17. For Option 007 spectrum analyzers: Remove the two screws (1) securing two
board-mounting posts to the left side frame and remove the posts. See Figure 4-13.
18. Remove the two left side frame screws (2) securing the Al7 assembly (and Al6 assembly
in Option 007). For Option 007 spectrum analyzers: Lift up the Al6 FADC assembly and
swing it out of the spectrum analyzer. Do not remove any cables.
19. Lift up the Al7 CRT driver assembly and disconnect
A6AlW2
from A17J6. Do not
remove any other cables from the Al7 assembly.
20. Disconnect the tie wraps from the
A6Al
assembly cables and remove the
A6Al
high
voltage assembly from the spectrum analyzer.
2
Q\
oc
1
0
Figure 4-13. Al6 Fast ADC and Al7 CRT Driver Mounting Screws
Replacement
B
B
3
-
s1115e
1. Secure the
A6Al
high voltage assembly to the A6 power supply using three
panhead
screws. Connect ribbon cable
A6AlWl
to A6J5.
2. Snap post-accelerator cable
A6AlW3
to the CRT assembly.
3. Place the black grommet protecting the post-accelerator cable into the CRT shield.
4. Ensure that all cables are safely routed and will not be damaged when securing the A6
cover.
5. Secure the power supply cover shield to the power supply using three
flathead
screws (1).
See Figure 4-23. One end of the cover fits into a slot provided in the rear frame assembly.
Ensure that the extended portion of the cover shield is seated in the shield wall groove.
6. Connect
A6AlW2
to A17J6.
4-26 Assembly Replacement