Keysight N9038A MXE Service Guide 587
Assembly Replacement Procedures
Reference Assembly
Reference Assembly
Removal
1. Remove the instrument outer case. Refer to the Instrument Outer Case
removal procedure.
2. Remove the top brace. Refer to the Top Brace and Power Supply Bracket
removal procedure.
3. Refer to Figure 18-39. Locate the Reference assembly (6).
4. Refer to Figure 18-45. Remove cables W41, W42, and W43 from the
reference assembly using the 5/16-inch wrench.
5. Remove cables W18, W19, W20, W21, and W23 from the Reference
assembly (6).
Figure 18-45 Reference Board Cables
6. Remove the two screws (1).
7. Remove the Reference board by pulling up to disconnect from the
motherboard and pull out of the chassis.