362 Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
Assembly Replacement
A3 RF Assembly (N5173B, N5183B)
Replacement Procedure
1. Referring to Figure 15-15, loosen the 10 screws (1) that attach the A7A1
Microwave ALC Control assembly to the A7 Micro-Deck.
2. Reverse the order of the removal procedure.
3. After the A3 RF assembly is plugged into the A7 board, tighten all the
screws attaching both the A3 RF assembly and the A7A1 Microwave ALC
Control assemblies. Torque to 9 in-lbs.
4. Recommended torque for all BNC connector hex nuts is 21 in–lbs.
5. See Chapter 16, “Pre and Post-Repair Procedures” and perform the
Post-Repair Procedures outlined for the replacement of this assembly.
When plugging in the A3 RF assembly into the A7 board, it is important to
have all boards loose in order to ensure proper connector mating. Follow
these steps:
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