7-66 Service Guide N5242-90001
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Post-Repair Procedures N5242A
A46–A49 source bypass
switches
Source Adjustment
Receiver Adjustment
Source Maximum Power Output Test
Calibration Coefficients Test
A50 combiner
Source Adjustment
Receiver Adjustment
Source Maximum Power Output Test
Calibration Coefficients Test
A51 hard disk drive
Restore previously saved receiver
calibration data
a
(or perform Receiver Adjustment)
Read and write to the drive
B1 fan No adjustment needed Check for fan operation
Battery No adjustment needed None
a. If a backup copy of receiver calibration data from the faulty disk drive is available, it can be copied to
the new disk drive. If not, new data must be generated by performing the “Receiver Adjustment.”
Table 7-2 Related Service Procedures (Continued)
Replaced Assembly
Adjustments
and Other Procedures
Verification, Performance,
and Other Tests and Procedures
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