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Repair and Replacement Procedures
PNA Series Microwave Network Analyzers
Removing and Replacing the A51 Hard Disk Drive (HDDA)
N5241A/42A
Removing and Replacing the A51 Hard Disk Drive (HDDA)
Certain unique files exist on the hard disk drive (HDD) that are necessary for proper
operation of your analyzer. These files must be copied to another location to allow them to
be installed onto the new HDD after it has been installed.
If you are replacing the HDD, the following procedure must be performed first.
Copy Unique Files from the Hard Disk
If the user has loaded unique calibration kit information, navigate to C:\Program
Files\Agilent\Network Analyzer and copy USER_CALKITFILE to a USB flash
memory drive. Also copy any personal user files that you wish to preserve.
Tools Required
• T-10 TORX driver (set to 7 in-lb; for hard disk drive replacement)
• T-10 TORX driver (set to 9 in-lb; for all other T-10 applications)
• ESD grounding wrist strap
HDDA Removal and Replacement Procedure (2.0 GHz CPU Board)
Refer to
Figure 7-23
for this procedure.
Removal
1. Disconnect the analyzer power cord.
①
2. Loosen the knurled nut (item
) and pull the A51 HDDA out of the A17 CPU board.
Replacement
①
1. Slide the A51 HDDA into the A17 CPU board and tighten the knurled nut (item
).
7-48
Service Guide N5242-90001
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