7-24 Service Guide E8364-90026
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Removing and Replacing the A13 Frequency Offset Receiver Assembly E8362B, E8363B, E8364B
Removing and Replacing the A13 Frequency Offset
Receiver 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 Figure 7-9 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. With a 5/16-inch torque wrench, disconnect the three semirigid cables (item
①) and
flexible cable (item
②) from the top of the A13 frequency offset receiver assembly.
CAUTION
Be careful not to damage the center pins of the semirigid cables. Some flexing
of the cables is necessary to remove the assembly. Do not over-bend the
semirigid cables.
4. Disengage the A13 frequency offset receiver assembly from the A11 connector and slide
out of the analyzer. Observe the
CAUTION above.
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 7-80.