Keysight Technologies N5221A

Keysight N5221A/22A Service Guide 7-61
Repair and Replacement Procedures
Post-Repair Procedures
A8, A12, and A13
Doubler boards
Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Source Power Accuracy Test
Source Maximum Power Output
Test
Source Power Linearity Test
The Operator’s Check
A10 frequency reference board 10 MHz Frequency Reference
Adjustment
Restore option data (Refer to
“Repairing and Recovering Option
Data” in Chapter 8.)
Frequency Accuracy Test
A11 13.5 GHz LO synthesizer
board
EE Default Adjustment: Synth LO
only
Synthesizer Bandwidth
Adjustment
a
Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Frequency Accuracy Test
Source Power Accuracy Test
Source Maximum Power Output
Test
Source Power Linearity Test
The Operator’s Check
A12 SPAM board Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Noise Floor Test
Trace Noise Test
A13 13.5 GHz source 2
synthesizer board
EE Default Adjustment: Synth Src2
only
Synthesizer Bandwidth
Adjustment
a
Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
IF Response Adjustment (Option
090, 093, or 094 Only)
Frequency Accuracy Test
Source Power Accuracy Test
Source Maximum Power Output
Test
Source Power Linearity Test
The Operator’s Check
A14 system motherboard No adjustment needed Front Panel Keypad and RPG Test
and A3 Display Test in Chapter 4
The Operator’s Check
A15 midplane board No adjustment needed None needed
A16 power supply assembly No adjustment needed None needed
Table 7-2 Related Service Procedures (Continued)
Replaced Assembly
Adjustments
and Other Procedures
Verification, Performance,
and Other Tests and Procedures