Service Guide N5230-90014 7-45
PNA Series Microwave Network Analyzers Repair and Replacement Procedures
N5230A Post-Repair Procedures
Post-Repair Procedures
After the replacement of an assembly, you must perform the service procedures in the
order listed in Table 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
A1 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
A1 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
A7 fractional-N synthesizer board LO Power Adjustment
Frequency Accuracy Test
The Operator’s Check
A8 multiplier board
A9 fractional-N synthesizer board LO Power Adjustment
Frequency Accuracy 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
A14 system motherboard No adjustment needed
A1 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
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