7-38 Keysight N5221A/22A Service Guide
Repair and Replacement Procedures
Removing and Replacing the A23 and A24 Mixer Bricks
7-
1. Reverse the order of the removal procedure.
If replacing the A24 mixer brick, remember to install the short circuit
termination (item
⑤), removed from 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 7-60.
Figure 7-16 A23 and A24 Mixer Bricks Removal
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