Removing And Replacing The A18 Gpib Board - Keysight Technologies N5221A Service Manual

Repair and Replacement Procedures

Removing and Replacing the A18 GPIB Board

Removing and Replacing the A18 GPIB Board
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 rear panel. Refer to
6. Slide the A18 GPIB board out the rear of the analyzer.
Replacement Procedure
1. Reverse the order of the removal procedure.
2. Perform the post-repair adjustments, verifications, and performance tests
Keysight N5221A/22A Service Guide
Figure 7-11 for this procedure.
page 7-6.
Replacing the A16 Power Supply Assembly" on page
the A17 CPU Board Assembly" on page
on page 7-52.
that pertain to this removal procedure. Refer to
"Removing the Covers" on
"Removing and
7-23.
"Removing and Replacing
7-25.
"Removing and Replacing the Rear Panel"
Table 7-2 on page 7-60.
7-27