Removing And Replacing The Front Panel Assembly - Keysight Technologies N5224A Service Manual

Repair and Replacement Procedures

Removing and Replacing the Front Panel Assembly

Removing and Replacing the Front Panel Assembly
Tools Required
9 mm nutsetter or open end wrench torque wrench (torque to 21 in-lb or 2.38
N.m)
— T-10 TORX driver (torque to 9 in-lb or 1.02 N.m)
— T-20 TORX driver (torque to 21 in-lb or 2.38 N.m)
— 5/16 inch open-end torque wrench (torque to 10 in-lb or 1.13 N.m)
— ESD grounding wrist strap
Removal Procedure
Refer to
1. Disconnect the power cord.
2. Remove the outer cover. Refer to
3. With a 5/16 inch torque wrench, remove all the semirigid jumpers (item
4. Remove screws (item
5. With a T-20 TORX driver, remove the 12 screws (item
Before removing the front panel from the analyzer, lift and support the
front of the analyzer frame.
6. Slide the front panel over the front-panel connectors.
7. Disconnect the ribbon cable (item
Replacement Procedure
When reconnecting the front-panel jumpers, torque the connectors to 10
in-lb.
1. Reverse the order of the removal procedure.
2. Perform the post-repair adjustments, verifications, and performance tests
7-8
Figure 7-2 for this procedure.
①
) from the front panel (if present).
for 2-port models and four screws for 4-port models.
the frame.
board.
that pertain to this removal procedure. Refer to
"Removing the Covers" on page
➁
) from the lower front panel. There are two screws
④
) from the A1 front panel interface
Keysight N5224A/25A Service Guide
7-6.
③
) from the sides of
Table 7-2 on page 7-59.