Keysight Technologies Option 503 Service Manual page 489

Assembly Replacement Procedures
Reference Assembly
4. Refer to
Figure 16-70 Reference Board Cables
5. Remove the two screws (2) (0515-0372) attaching the Reference board to
N9030A PXA Signal Analyzer Service Guide
Figure 16-70. Remove cables W3, W18, and W31 from the
reference assembly (1) using the 5/16-inch wrench.
Item Keysight Part Number
W3 N9020-20023
W18 N9020-20022
W31 N9020-20021
the chassis.
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