7-18 Service Guide E8364-90038
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Removing and Replacing the A6, A8, A9, and A10 Boards E8362C, E8363C, E8364C
Removing and Replacing the A6, A8, A9, and A10 Boards
Tools Required
• T-10 TORX driver (set to 9 in-lb)
• T-20 TORX driver (set to 21 in-lb)
• ESD grounding wrist strap
Removal Procedure
Refer to Figure 7-7 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 T-10 TORX driver, remove the two brackets that secure cables to the top of the midweb.
4. Identify the board you want to remove and disconnect any cables that are attached to it.
5. Lift the two extractors (item
①), located at each end of the board.
NOTE Before removing the board completely, check the bottom of the board for any attached
cables.
6. While holding on to the extractors, slide the board out of the slot and remove it from the analyzer.
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 7-82.
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