Al7 Crt Driver Mounting Screws - HP 8560A Service Manual

16. Disconnect ribbon cable A6AlWl from A6J5. See Figure 3-11.
17. Remove the two screws (1) securing two board-mounting posts to the left side frame and
remove the posts. See Figure 3-13.
18. Remove the two left side-frame screws (2) securing the Al7 assembly.
19. Lift up the Al7 CRT driver assembly and disconnect A6AlW2 from A17J6. Do not
remove any other cables from the Al 7 assembly.
20. Disconnect the tie wraps from the A6Al assembly cables and remove the A6Al High
Voltage assembly from the analyzer.
Replacement
1. Secure the A6Al High Voltage assembly to the A6 Power Supply using three panhead
screws and washers. 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 3-12. One end of the cover fits into a slot provided in the rear frame assembly.
6. Connect A6AlW2 to A17J6.
7. Place the Al7 CRT Driver assembly into the center-deck mounting slot nearest the CRT.
Use caution when routing cables to avoid damage.
8. Secure the Al7 assembly with the two flathead screws removed in "Removal" step 17. See
Figure 3-13 (2).
9. Connect the two mounting posts to the left-side frame using the two screws removed in
"Removal" step 16. See Figure 3-13 (1).
Figure 3-13. Al7 CRT Driver Mounting Screws
Procedure 7. A6Al High Voltage Assembly
Assembly Replacement 3-23