7-36
Service Guide E8364-90038
Repair and Replacement Procedures
PNA Series Microwave Network Analyzers
Removing and Replacing the A18 MA 20
E8362C, E8363C, E8364C
Removing and Replacing the A18 MA 20
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
Figure 7-14
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
“Raising and Removing the Receiver Deck” on page
7-8
if necessary.
3. With a 5/16-inch torque wrench, disconnect the two semirigid cables (item
①
) from the A18 MA 20. It
may be necessary to remove these cables completely to allow the A18 MA 20 to be removed from the
analyzer.
4. Disconnect the ribbon cable (item
➁
) at the A18 MA 20.
5. With a T-10 TORX driver, remove the four mounting screws (item
③
) from the side of the analyzer.
CAUTION
Be careful not to damage the center pins of the semirigid cables. Some flexing of the cables
is necessary to remove the assembly. Do not over-bend the semirigid cables.
6. Remove the A18 MA 20 from the analyzer. Observe the
CAUTION
above.
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
Table 7-2 on page 7-82
.
Summary of Contents for E8362C
Page 11: ...Service Guide E8364 90038 1 1 1 Safety and Regulatory Information ...
Page 21: ...Service Guide E8364 90038 2 1 2 General Product Information ...
Page 33: ...Service Guide E8364 90038 3 1 3 Tests and Adjustments ...
Page 81: ...Service Guide E8364 90038 4 1 4 Troubleshooting ...
Page 137: ...Service Guide E8364 90038 5 1 5 Theory of Operation ...
Page 171: ...Service Guide E8364 90038 6 1 6 Replaceable Parts ...
Page 257: ...Service Guide E8364 90038 7 1 7 Repair and Replacement Procedures ...
Page 341: ...Service Guide E8364 90038 8 1 8 General Purpose Maintenance Procedures ...