Keysight NFA Series Noise Figure Analyzers Service Guide 433
Assembly Replacement Procedures
CPU Assembly
CPU Assembly
Removal
The CPU assembly will look like Figure 15-33.
Figure 15-33 CPU Assembly - Rear Panel View
1. Refer to Figure 15-34. Remove the six screws (1) attaching the CPU
assembly to the chassis.
2. The CPU assembly can be removed from the chassis by pulling straight out
the back. Use the two ejectors to pull the CPU assembly out from the
chassis.
If the A4BT1 CPU board battery was changed, refer to Chapter 16,
“Post-Repair Procedures.” for setup instructions.