Keysight Technologies N5221A

7-62 Keysight N5221A/22A Service Guide
Repair and Replacement Procedures
Post-Repair Procedures
7-
A17 CPU board No adjustment needed The Operator’s Check
A18 GPIB board No adjustment needed None needed
A19 test set motherboard Run Eeprom backup.exe at directory
C:/program file/keysight/network
analyzer/service/Eeprom backup.exe.
Save EEPROM backup; Restore TSMB
from EEPROM backup.
Reinstall the serial number. (Refer to
“Installing or Changing a Serial
Number” in Chapter 8.)
Re-enable all hardware options. (Refer
to “Option Entitlement Certificate”
in Chapter 8.)
The Operator’s Check
A20 IF multiplexer board Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
The Operator’s Check
A21 HMA26.5 EE Default Adjustment: LO Drive
only
EE Default Adjustment: LO Drive
Noise Figure only (Option 029 equipped
PNA)
Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Noise Floor Test
Receiver Compression Test
Dynamic Accuracy Test
A22 splitter Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Noise Floor Test
Receiver Compression Test
Dynamic Accuracy Test
A23 and A24 mixer bricks Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Noise Floor Test
Receiver Compression Test
Dynamic Accuracy Test
Table 7-2 Related Service Procedures (Continued)
Replaced Assembly
Adjustments
and Other Procedures
Verification, Performance,
and Other Tests and Procedures