Removing And Replacing The A20 Mixer Brick (Quintbrick) - Agilent Technologies N5230A Service Manual

Repair and Replacement Procedures

Removing and Replacing the A20 Mixer Brick (QuintBrick)

Removing and Replacing the A20 Mixer Brick (QuintBrick)
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 7-11
1. Disconnect the power cord.
2. Remove the outer cover. Refer to
analyzer bottom side up.
3. With a 5/16 inch wrench, disconnect the semirigid cables (item
brick.
4. Disconnect the flexible cables (item
mixer brick.
5. With a T-10 TORX driver, remove the mounting screws (item
brick.
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 them.
6. Remove the A20 mixer brick from the analyzer. Observe the
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
7-26
for this procedure.
"Removing the Covers" on page
②
) and the ribbon cable (item
Table 7-2 on page
PNA Series Microwave Network Analyzers
7-6. Position the
①
) from the A20 mixer
③
) from the A20
④
) from the A20 mixer
above.
CAUTION
7-45.
Service Guide N5230-90014
N5230A