Keysight Technologies N5290/1A PNA Series Service Manual page 187

Repair and Replacement Procedures
Removing and Replacing the Front Panel and Subpanel Assemblies
3. With a 5/16 inch torque wrench, remove all the 8121-2860 ((x4) 2-port or
(x8) 4-port) gray flexible cables (item
4. Carefully remove the N5292-60002 cables from each of the fail-safe PCAs.
5. With a T-20 TORX, remove the 0515-1101 (4-port (x8)) and (2-port (x6))
screws (item
Before removing the subpanel from the test set, lift and support the front
of the test set frame.
6. Carefully separate the subpanel from the integrated connectors, by
pressing each of the integrated connectors towards the chassis, as you
slide the subpanel off of the chassis (deck assembly).
Replacement Procedure
When reconnecting the front-panel jumpers, torque the connectors to
8 in-lb.
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
Keysight N5290/1A Service Guide
④
) from both sides of each of the integrated connectors.
③
) from subpanel).
Table 7-2 on page 7-36.
7-11