Removing And Replacing The Rear Panel - Keysight Technologies N5221A Service Manual

Repair and Replacement Procedures

Removing and Replacing the Rear Panel

Removing and Replacing the Rear Panel
Tools Required
— 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)
— ESD grounding wrist strap
Removal Procedure
Refer to
1. Disconnect the power cord.
2. Remove the outer and inner covers. Refer to
3. Remove the A16 power supply assembly. Refer to
4. Remove the A17 CPU board assembly. Refer to
5. Remove the short (item
6. Remove the connector hardware (item
7. Remove the connector hardware (item
8. Remove the 13 screws (item
9. Slide the rear panel over the cable connectors and off of the analyzer.
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Perform the post-repair adjustments, verifications, and performance tests
7-52
Figure 7-24 for this procedure.
page 7-6.
Replacing the A16 Power Supply Assembly" on page
the A17 CPU Board Assembly" on page
connectors. The hardware is not the same on each connector so note
which hardware goes with which connector.
The hardware is not the same on each connector so note which hardware
goes with which connector.
that pertain to this removal procedure. Refer to
"Removing the Covers" on
7-25.
①
) and the 50 ohm load(s) (item
③
) from each of the five multi-pin
④
) from each of the RF connectors.
⑤
) that attach the rear panel to the chassis.
Keysight N5221A/22A Service Guide
"Removing and
7-23.
"Removing and Replacing
➁
).
Table 7-2 on page 7-60.