7-66 Service Guide E8361-90001
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Post-Repair Procedures E8361A
Post-Repair Procedures
After the replacement of an assembly, you must perform the service procedures in the
order listed in Table 7-2. Refer to the following chapters in this manual for the procedures
referenced in this table. 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
A6 SPAM board No adjustment needed
Noise Floor Test
Trace Noise Test
System Crosstalk Test
A8 fractional-N
synthesizer board
LO Power Adjustment
Frequency Accuracy Test
The Operator’s Check
A9 fractional-N
synthesizer board
Offset LO Adjustment The Operator’s Check
A10 frequency reference
board
10 MHz Frequency
Reference Adjustment
Restore option data (Refer
to “Repairing and
Recovering Option Data” in
Appendix B.)
Frequency Accuracy Test
A11 phase lock board No adjustment needed Frequency Accuracy Test
A12 source 20
3.8 GHz PMYO Frequency
Adjustment
Source Calibration
Adjustment
Source Power Accuracy Test
Source Power Linearity Test
Frequency Accuracy Test
A13 frequency offset
receiver assembly
Offset LO Adjustment The Operator’s Check
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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