7-46 Service Guide E8364-90026
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Removing and Replacing the A23 and A24 Detectors (E8363B and E8364B only) E8362B, E8363B, E8364B
Removing and Replacing the A23 and A24 Detectors
(E8363B and E8364B only)
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 7-21 for this procedure.
1. Disconnect the power cord.
2. Remove the outer cover. Refer to “Removing the Covers” on page 7-6. Position the
analyzer bottom side up as shown. It may be convenient to raise the receiver deck to
provide better access. If necessary, refer to “Raising and Removing the Receiver Deck”
on page 7-8.
3. Identify the detector to be removed.
4. Disconnect the stranded control cable (item
①) from the appropriate detector.
5. With a 5/16-inch torque wrench, disconnect the two semirigid cables (item
②) from the
detector.
6. Remove the flexible cable (item
③) from the detector.
7. With a T-10 TORX driver, remove the two mounting screws (item
④).
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.
8. Remove the detector from 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.
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