Keysight Technologies N5244/5B Service Manual page 607

Repair and Replacement Procedures
Removing and Replacing the A56 Port 1 Noise Bypass Switch (Option 029)
10. Move the disconnected semirigid cables out of the way and remove the
A64 tuner/A56 bypass switch assembly (with bracket) from the analyzer. It
may be necessary to loosen the other end of the cables to allow them to
be moved. Do not overbend them.
11. Remove two screws (item
bypass switch to the bracket.
Replacement Procedure
1. Reverse the order of the removal procedure reusing the existing hardware.
Torque all cable connectors to 10 in-lbs.
2. Perform the post-repair adjustments, verifications, and performance tests
that pertain to this removal procedure. Refer to
Keysight N5244B/45B Service Guide

) that secure the A64 tuner and the A56
Table 7-2 on page 7-93.
7-67