Removing And Replacing The A35 Receiver Motherboard - Agilent Technologies PNA Series Service Manual

Repair and Replacement Procedures

Removing and Replacing the A35 Receiver Motherboard

Removing and Replacing the A35 Receiver Motherboard
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 7-13
1. Disconnect the power cord.
2. Remove the outer covers. Refer to
analyzer bottom side up and raise the receiver deck as shown. Refer to
Receiver Deck" on page 7-8
3. Remove the LO reject filter board and all four receiver modules. Refer to
Replacing the A31, A32, A33, and A34 Receiver Modules and LO Reject Filter Board" on
page 7-50.
4. Disconnect the flexible cables (item
5. Disconnect the flexible cable (item
(Option 080 only).
6. Disconnect the ribbon cable (item
7. Remove the receiver deck from the analyzer with the receiver motherboard attached.
Refer to "Removing the Receiver Deck" on page
motherboard and receiver deck are replaced as one unit.
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
7-52
for this procedure.
"Removing the Covers" on page
if necessary.
①
) from the receiver motherboard.
②
) from the receiver motherboard if present
③
) from the receiver motherboard.
Table 7-2 on page
PNA Series Microwave Network Analyzers
7-6. Position the
7-8, if necessary. The receiver
7-66.
Service Guide E8361-90001
E8361A
"Raising the
"Removing and