Technical data

7-58 Service Guide N5230-90025
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Post-Repair Procedures N5230C
Post-Repair Procedures
After the replacement of an assembly, you must perform the service procedures in the order listed in Ta b l e
7-2.
Procedures referenced in this table are located in Chapter 3, “Tests and Adjustments,” unless specified
otherwise.
Table 7-2 Related Service Procedures
Replaced Assembly
Adjustments
and Other Procedures
Verification, Performance,
and Other Tests and Procedures
A1 keypad assembly No adjustment needed
Front Panel Keypad and RPG Test in
Chapter 4
A2 display assembly No adjustment needed A2 Display Test in Chapter 4
A3 front panel interface board No adjustment needed
Front Panel Keypad and RPG Test and A2
Display Test in Chapter 4
A4 power supply assembly No adjustment needed None needed
A5 SPAM board No adjustment needed
Noise Floor Test
Trace Noise Test
A6 multiplier board No adjustment needed
The Operator’s Check
A7 fractional-N synthesizer board No adjustment needed The Operator’s Check
A8 or A12
a
multiplier board
EE Default Adjustment
Source Calibration Adjustment
Receiver Calibration Adjustment
Frequency Accuracy Test
Source Power Accuracy Test
Source Maximum Power Output Test
Source Power Linearity Test
The Operator’s Check
A9 or A13
a
fractional-N synthesizer
board
EE Default Adjustment
Source Calibration Adjustment
Receiver Calibration Adjustment
Frequency Accuracy Test
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 vertical motherboard No adjustment needed
The Operator’s Check
A14 system motherboard No adjustment needed
Front Panel Keypad and RPG Test and A2
Display Test in Chapter 4
The Operator’s Check
A15 CPU board No adjustment needed The Operator’s Check