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Service Guide E8364-90026
Repair and Replacement Procedures
PNA Series Microwave Network Analyzers
Removing and Replacing the A31, A32, A33, and A34 Receiver Modules and A49 IF Multiplexer Board E8362B, E8363B, E8364B
Removing and Replacing the A31, A32, A33, and A34
Receiver Modules and A49 IF Multiplexer Board
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 cover. Refer to
“Removing the Covers” on page 7-6
. Position the
analyzer bottom side up and raise the receiver deck as shown. Refer to
if necessary.
3. Identify the receiver module to be removed. To replace one of the receiver modules, the
A49 IF multiplexer board must be removed from the receiver motherboard.
4. Disconnect the flexible cables from the A49 IF multiplexer board and the receiver
modules.
5. Disconnect the ribbon cable from the A49 IF multiplexer board.
6. With a T-10 TORX driver, remove the eight mounting screws (item
①
) from the A49 IF
multiplexer board. Remove the board from the receiver motherboard.
7. With a T-10 TORX driver, remove the three mounting screws (item
②
) from the
appropriate receiver module.
8. Remove the receiver module from 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 E8362B
Page 11: ...Service Guide E8364 90026 1 1 1 Safety and Regulatory Information ...
Page 19: ...Service Guide E8364 90026 2 1 2 General Product Information ...
Page 33: ...Service Guide E8364 90026 3 1 3 Tests and Adjustments ...
Page 83: ...Service Guide E8364 90026 4 1 4 Troubleshooting ...
Page 151: ...Service Guide E8364 90026 5 1 5 Theory of Operation ...
Page 185: ...Service Guide E8364 90026 6 1 6 Replaceable Parts ...
Page 269: ...Service Guide E8364 90026 7 1 7 Repair and Replacement Procedures ...
Page 351: ...Service Guide E8364 90026 8 1 8 General Purpose Maintenance Procedures ...