7-24
Service Guide E8364-90001
Repair and Replacement Procedures
PNA Series Microwave Network Analyzers
Removing and Replacing the A14 System Motherboard
E8362A, E8363A, E8364A
Removing and Replacing the A14 System Motherboard
Tools Required
• T-10 TORX driver (set to 9 in-lb)
• T-20 TORX driver (set to 21 in-lb)
• 5/16-inch open-end torque wrench (set to 10 in-lb)
• ESD grounding wrist strap
Removal Procedure
Refer to
for this procedure.
1. Disconnect the power cord.
2. Remove the outer and inner covers. Refer to
“Removing the Covers” on page 7-6
3. Remove the front panel assembly. Refer to
“Removing and Replacing the Front Panel
.
4. Remove the A12 source 20. Refer to
“Removing and Replacing the A12 Source 20” on
5. Remove the A11 phase lock board. Refer to
“Removing and Replacing the A11 Phase
.
6. Remove the A4 power supply assembly. Refer to
“Removing and Replacing the A4
Power Supply Assembly” on page 7-16
7. Remove the card cage boards (A6, A8, and A10). Refer to
A6, A8, and A10 Boards” on page 7-18
8. Remove the A15 CPU board. Refer to
“Removing and Replacing the A15 CPU Board” on
9. Remove the Midweb. Refer to
“Removing and Replacing the Midweb and the B1 Fan”
.
10. Disconnect the A1 front panel ribbon cable (item
①
), the A40 floppy disk drive ribbon
cable (item
②
), and the A16 test set motherboard ribbon cable (item
③
) from the A14
system motherboard.
11. Lift the tab at the rear of the A40 floppy disk drive enclosure and remove the rear
enclosure cover.
12. Remove the four screws (item
④
) that secure the A14 system motherboard.
13. Lift the A14 system motherboard out of the analyzer.
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Perform the post-repair adjustments, verifications, and performance tests that pertain
to this removal procedure. Refer to
.
Summary of Contents for E8362A
Page 11: ...Service Guide E8364 90001 1 1 1 Safety and Regulatory Information ...
Page 19: ...Service Guide E8364 90001 2 1 2 General Product Information ...
Page 29: ...Service Guide E8364 90001 3 1 3 Tests and Adjustments ...
Page 79: ...Service Guide E8364 90001 4 1 4 Troubleshooting ...
Page 139: ...Service Guide E8364 90001 5 1 5 Theory of Operation ...
Page 169: ...Service Guide E8364 90001 6 1 6 Replaceable Parts ...
Page 215: ...Service Guide E8364 90001 7 1 7 Repair and Replacement Procedures ...
Page 287: ...Service Guide E8364 90001 A 1 A Error Terms ...
Page 303: ...Service Guide E8364 90001 B 1 B Option Enable Utility ...
Page 309: ...Service Guide E8364 90001 C 1 C Firmware Upgrades ...
Page 313: ...Service Guide E8364 90001 D 1 D Operating System Recovery ...