7-40
Service Guide E8364-90026
Repair and Replacement Procedures
PNA Series Microwave Network Analyzers
Removing and Replacing the A21 SOMA 50 (E8363B and E8364B Only)
E8362B, E8363B, E8364B
Removing and Replacing the A21 SOMA 50 (E8363B and
E8364B Only)
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
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
A21 SOMA 50.
4. Disconnect the flexible cable (item
②
) from the A21 SOMA 50.
5. Disconnect the ribbon cable (item
③
) at the A21 SOMA 50.
6. With a T-10 TORX driver, remove the four mounting screws (item
④
).
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.
7. Remove the A21 SOMA 50 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
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 ...