Keysight Technologies X Series Service Manual page 532

Assembly Replacement Procedures
Reference Assembly
5. For instruments with Option B40, MPB, or DP2, refer to
Figure 15-55 Reference Board Cables - Serial Prefix < MY/SG/US5648
with Options B40, MPB, DP2
6. The reference assembly can be removed from the chassis by leveraging up
532
Remove cables W5, W6, W14, W19, W23, W42, and W43 from the
reference assembly (1). Use the 5/16 inch wrench where necessary.
on the ejector and pulling the board out on the other side.
Figure 15-55.
Keysight N9010A EXA Service Guide