Removing And Replacing The Front Panel And Subpanel Assemblies - Keysight Technologies N5290/1A PNA Series Service Manual

Repair and Replacement Procedures

Removing and Replacing the Front Panel and Subpanel Assemblies

Removing and Replacing the Front Panel and Subpanel Assemblies
Tools Required
— T-10 TORX driver (set to 9 in-lb)
— T-20 TORX driver (set to 21 in-lb)
— 5/16 inch open-end torque wrench (set to 10 in-lb)
— ESD grounding wrist strap
Front Panel Removal Procedure
Refer to
procedure.
1. Power down the test set.
2. Disconnect the power cord.
3. Remove the outer cover. Refer to
4. With a 5/16 inch torque wrench, remove all the semi-rigid jumpers (item
5. With a T-10 TORX driver, remove the 4 screws (2-Port) and 5 screws
6. With a T-20 TORX driver, remove the 4 screws (item
7. Disconnect the power switch cable (item
Before removing the front panel from the test set, lift and support the front
of the test set frame.
8. Slide the front panel over the test port connectors.
Subpanel Removal Procedure
This procedure assumes you have already removed the front panel assembly.
Refer to
1. With a 5/16 inch torque wrench, remove the ends of the port 1 and port 2
2. 4-Port only: With a 5/16 inch torque wrench, remove the ends of the port
7-10
Figure 7-4 on page 7-12
①
) from the front panel.
➁
(4-Port) – (item ) from the front panel.
the front panel.
Figure 7-4 on page 7-12
N5292-60020 ((x2) long, item
of the subpanel.
3 and port 4 N5292-60019 ((x2) short cables (item
subpanel (i.e., these are the short cables that connects to the phase
compensation PCA).
and Figure 7-5 on page 7-13
"Removing the Cover" on page
④
) from the power switch PCA.
for this procedure.
①
) from the where they connect to the back
➁
Keysight N5290/1A Service Guide
to for this
7-8.
③
) from the sides of
) from the back of the