Repair and Replacement Procedures
PNA Series Microwave Network Analyzers
Removing and Replacing the A4 Power Supply Assembly
E8362C, E8363C, E8364C
Removing and Replacing the A4 Power Supply Assembly
Tools Required
• T-10 TORX driver (set to 9 in-lb)
• T-20 TORX driver (set to 21 in-lb)
• ESD grounding wrist strap
Removal Procedure
Refer to
Figure 7-6
for this procedure.
1. Disconnect the power cord.
2. Remove the outer and inner covers. Refer to
"Removing the Covers" on page
7-6.
①
3. With a T-10 TORX driver, remove the five screws (item
) from the power supply assembly.
4. Lift out and remove the A4 power supply assembly.
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
7-82.
7-16
Service Guide E8364-90038