Keysight Technologies N5224A Service Manual page 328

Repair and Replacement Procedures
Post-Repair Procedures
Table 7-2 Related Service Procedures (Continued)
Replaced Assembly
A33–A36 test port couplers
A37 reference mixer switch
A38–A41 source step attenuators
A42–A45 bias tees
A46–A49 receiver step
attenuators
A55 solid state drive
B1 fan
Battery
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
7-62
Adjustments
and Other Procedures
Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
No adjustment needed
Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Restore previously saved receiver
b
calibration data
(or perform Receiver Adjustment)
No adjustment needed
No adjustment needed
Receiver Adjustment
Verification, Performance,
and Other Tests and Procedures
Source Maximum Power Output
Test
Calibration Coefficients Test
The Operator's Check
Source Maximum Power Output
Test
Calibration Coefficients Test
Source Maximum Power Output
Test
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
Keysight N5224A/25A Service Guide