7-10 Service Guide E8364-90026
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Removing and Replacing the Front Panel Assembly E8362B, E8363B, E8364B
Removing and Replacing the Front Panel 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 7-3 for this procedure.
1. Disconnect the power cord.
2. Remove the outer cover. Refer to “Removing the Covers” on page 7-6.
3. With a 5/16-inch torque wrench, remove all the semirigid jumpers (item
①) from the
front panel (Option 014 only).
4. With a T-10 TORX driver, remove the eight screws (item
②) from the sides of the frame.
CAUTION
Before removing the front panel from the analyzer, lift and support the front
of the analyzer frame.
5. Slide the front panel over the test port connectors.
6. Disconnect the front panel interface ribbon cable (item
③).
The front panel is now free from the analyzer.
Replacement Procedure
CAUTION
When replacing the front panel, align the power switch and the floppy disk
drive to their corresponding front panel cutouts.
IMPORTANT
When reconnecting semirigid cables, torque the cable connectors to 10 in-lb.
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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