Keysight N5221A Service Manual page 285

PNA Series Microwave Network Analyzers
N5221A/22A
Replacement Procedure
1. Reverse the order of the removal procedure.
If replacing the A24 mixer brick, remember to install the short circuit termination (item
the old mixer brick, onto the new mixer brick in the same location.
Torque all RF cable connections to 10 in-lbs.
2. Perform the post-repair adjustments, verifications, and performance tests that pertain to this removal
procedure. Refer to Table 7-2 on page
Figure 7-16 A23 and A24 Mixer Bricks Removal
Service Guide N5222-90001
Removing and Replacing the A23 and A24 Mixer Bricks
7-56.
Repair and Replacement Procedures
⑤
), removed from
7-35