Keysight N5221A/22A Service Guide 7-27
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 Figure 7-11 for this procedure.
1. Disconnect the power cord.
2. Remove the outer and inner covers. Refer to “Removing the Covers” on
page 7-6.
3. Remove the A16 power supply assembly. Refer to “Removing and
Replacing the A16 Power Supply Assembly” on page 7-23.
4. Remove the A17 CPU board assembly. Refer to “Removing and Replacing
the A17 CPU Board Assembly” on page 7-25.
5. Remove the rear panel. Refer to “Removing and Replacing the Rear Panel”
on page 7-52.
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
that pertain to this removal procedure. Refer to Table 7-2 on page 7-60.
To Next Page
Loading...
