444 Keysight NFA Series Noise Figure Analyzers Service Guide
Assembly Replacement Procedures
Midplane Assembly
Midplane Assembly
Removal
1. Remove the instrument outer case. Refer to the “Instrument Outer Case”
removal procedure.
2. Remove the rear panel. Refer to the “Rear Panel” removal procedure.
3. Remove the top brace and reference bracket. Refer to the “Top Brace”
removal procedure.
4. Remove the reference assembly. Refer to the “Reference Assembly”
removal procedure.
5. Remove the CPU assembly. Refer to the “CPU Assembly” removal
procedure.
6. Remove the power supply assembly. Refer to the “Power Supply
Assembly” removal procedure.
7. Refer to Figure 15-42. Remove the power supply support bracket (1) by
removing the two screws (2).
Figure 15-42 Power Supply Bracket
To Next Page
Loading...
