Keysight N9010A EXA Service Guide 535
Assembly Replacement Procedures
Reference Assembly
7. The reference assembly can be removed from the chassis by leveraging up
on the ejector and pulling the board out on the other side.
Replacement
1. Slide the reference assembly into the slot at the rear of the instrument and
push on the assembly to mate the connectors to the midplane assembly.
Secure with the ejector.
2. If the serial prefix is ≥ MY/SG/US5648 refer to Figure 15-58. Secure the
reference support bracket (2) to the Reference assembly (1) using a
pan-head screw (3) (0515-0372).
3. Refer to Figure 15-54, Figure 15-55, Figure 15-56, or Figure 15-57 as
appropriate. Reconnect the cables to the correct locations. Torque the
semi-rigid coax cables to 10 inch-pounds.
4. Replace the rear panel. Refer to the “Rear Panel” replacement procedure.
5. Replace the reference bracket (serial prefix < MY/SG/US5648 or secure
the A16 Reference assembly to the top brace (serial prefix
≥ MY/SG/US5648). Refer to the “Top Brace and Reference Bracket”
replacement procedure.
6. Replace the instrument outer case. Refer to the “Instrument Outer Case”
replacement procedure.
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