Keysight N5221A Service Manual page 308

Repair and Replacement Procedures
Post-Repair Procedures
Table 7-2 Related Service Procedures (Continued)

Replaced Assembly
A22 splitter
A23 and A24 mixer bricks
A25–A28 receiver couplers
A29–A32 test port couplers
A33 reference mixer switch
A34–A37 source step
attenuators
A38–A41 bias tees
A42–A45 receiver step
attenuators
A51 solid state drive
B1 fan
Battery
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
7-58
Adjustments
and Other Procedures
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
Source Adjustment
Receiver Adjustment
Source Adjustment
Receiver Adjustment
No adjustment needed
Source Adjustment
Receiver Adjustment
Source Adjustment
Receiver Adjustment
Receiver Adjustment
Restore previously saved receiver
a
calibration data
(or perform Receiver Adjustment)
No adjustment needed
No adjustment needed
PNA Series Microwave Network Analyzers
Verification, Performance,
and Other Tests and Procedures
Noise Floor Test
Receiver Compression Test
Dynamic Accuracy Test
Noise Floor Test
Receiver Compression Test
Dynamic Accuracy Test
Source Maximum Power Output
Calibration Coefficients Test
Source Maximum Power Output
Calibration Coefficients Test
The Operator's Check
Source Maximum Power Output
Calibration Coefficients Test
Source Maximum Power Output
Calibration Coefficients Test
Noise Floor Test
Receiver Compression Test
Dynamic Accuracy Test
Calibration Coefficients Test
Read and write to the drive
Check for fan operation
None
"Receiver Adjustment."
Service Guide N5222-90001
N5221A/22A
Test
Test
Test
Test