Service Guide N5227-90001 7-55
PNA Series Microwave Network Analyzers Repair and Replacement Procedures
N5227A Post-Repair Procedures
A12 40 GHz doubler board
Source Adjustment
Receiver Adjustment
Frequency Accuracy Test
Source Power Accuracy Test
Source Maximum Power Output Test
Source Power Linearity Test
The Operator’s Check
A13 40 GHz doubler board
Source Adjustment
Receiver Adjustment
Frequency Accuracy Test
Source Power Accuracy Test
Source Maximum Power Output Test
Source Power Linearity Test
The Operator’s Check
A14 frequency reference board
10 MHz Frequency Reference
Adjustment
Restore option data (Refer to
“Repairing and Recovering Option
Data” in Chapter 8.)
Frequency Accuracy Test
A15 13.5 GHz LO synthesizer
board
EE Default Adjustment: Synth LO only
Synthesizer Bandwidth Adjustment
Source Adjustment
IF Gain Adjustment
Receiver Characterization
Receiver Adjustment
Frequency Accuracy Test
Source Power Accuracy Test
Source Maximum Power Output Test
Source Power Linearity Test
The Operator’s Check
A16 SPAM board
IF Gain Adjustment
Receiver Characterization
Noise Floor Test
Trace Noise Test
A17 13.5 GHz source 2
synthesizer board
EE Default Adjustment: Synth Src2 only
Synthesizer Bandwidth Adjustment
Source Adjustment
Receiver Adjustment
Frequency Accuracy Test
Source Power Accuracy Test
Source Maximum Power Output Test
Source Power Linearity Test
The Operator’s Check
A18 system motherboard No adjustment needed
Front Panel Keypad and RPG Test and
A3 Display Test in Chapter 4
The Operator’s Check
A19 midplane board No adjustment needed None needed
A20 power supply assembly No adjustment needed None needed
A21 CPU board No adjustment needed The Operator’s Check
A22 GPIB board No adjustment needed None needed
A23 test set motherboard
Reinstall the serial number. (Refer to
“Installing or Changing a Serial
Number” in Chapter 8
.)
R
e-enable all hardware options. (Refer
to “Option Entitlement Certificate” in
Chapter 8.)
The Operator’s Check
A24 IF multiplexer board
IF Gain Adjustment
Receiver Adjustment
The Operator’s Check
Table 7-2 Related Service Procedures (Continued)
Replaced Assembly
Adjustments
and Other Procedures
Verification, Performance,
and Other Tests and Procedures
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