Keysight Technologies N5221A

Keysight N5221A/22A Service Guide 7-63
Repair and Replacement Procedures
Post-Repair Procedures
A25–A28 receiver couplers Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Source Maximum Power Output
Test
Calibration Coefficients Test
A29–A32 test port couplers Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Source Maximum Power Output
Test
Calibration Coefficients Test
A33 reference mixer switch No adjustment needed
The Operator’s Check
A34–A37 source step attenuators Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Source Maximum Power Output
Test
Calibration Coefficients Test
A38–A41 bias tees Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Source Maximum Power Output
Test
Calibration Coefficients Test
A42–A45 receiver step
attenuators
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Noise Floor Test
Receiver Compression Test
Dynamic Accuracy Test
Calibration Coefficients Test
A51 solid state drive Restore previously saved receiver
calibration data
b
(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. Only run the Synthesizer Bandwidth Adjustement, when the EE Default Adjustment is not sufficient.
b. 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” on page 3-44
Table 7-2 Related Service Procedures (Continued)
Replaced Assembly
Adjustments
and Other Procedures
Verification, Performance,
and Other Tests and Procedures