7-46 Keysight N5221A/22A Service Guide
Repair and Replacement Procedures
Removing and Replacing the A34–A37 Source Attenuators, the A38–A41 Bias Tees,
and the A42–A45 Receiver Attenuators
7-
11.Remove two screws (item ⑤) to remove the attenuator or bias tee to be
replaced, from the mounting bracket.
Replacement Procedure
1. Reverse the order of the removal procedure.
Torque all 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.
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