Keysight Technologies N5244/5B Service Manual page 550

Repair and Replacement Procedures
Removing and Replacing the Front Panel Assembly
Removing and Replacing the Front Panel Assembly
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
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 semi-rigid jumpers (item
4. With a T-10 TORX driver, remove the 12 screws (item
5. Remove the lower panel overlay.
6. With a T-10 TORX, remove the 2 screws (2-Port) or 4 screws (4-Port).
Before removing the front panel from the analyzer, lift and support the
front of the analyzer frame.
7. Slide the front panel over the test port connectors.
8. 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
7-10
Figure 7-2 on page 7-11

) from the front panel.
the frame.
board.
that pertain to this removal procedure. Refer to
for this procedure.
"Removing the Covers" on page

) from the A1 front panel interface
Table 7-2 on page
Keysight N5244B/45B Service Guide
7-8.

) from the sides of
7-93.