546 Keysight N9010A EXA Service Guide
Assembly Replacement Procedures
Disk Drive
Internally Mounted Disk Drive
Drive Removal and Replacement
1. Turn the instrument off and remove the AC power cord.
2. Before replacing the A5 disk drive it is highly recommended that the
factory calibration data be backed up to an external drive if at all possible.
If this data is not backed up prior to replacing the disk drive all instrument
adjustments and performance verification tests will need to be run after
the drive is replaced.
For information on how to backup this data see the “Calibration Data
Backup and Restore” section in Chapter 16 of this manual.
If this data cannot be backed up because the instrument will not fully
boot, go ahead and change the A5 Disk Drive and perform all adjustments
listed in Chapter 16, “Post-Repair Procedures.” for the A5 assembly.
3. Refer to Figure 15-63. Locate and remove the existing CPU assembly from
the instrument by removing the 6 rear panel screws (1). The CPU
assembly can be removed from the chassis by pulling straight out the
back. Use the two ejectors to pull the CPU assembly out from the chassis.
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