Service Guide N5227-90001 2-3
PNA Series Microwave Network Analyzers      General Product Information
N5227A Maintenance
Maintenance
Physical Maintenance
WARNING To prevent electrical shock, disconnect the analyzer from the mains source before cleaning. Use 
a dry cloth or one slightly dampened with water to clean the external case parts. Do not attempt 
to clean internally.
Electrical Maintenance
Refer to “Contacting Keysight” on page 2-6 and to Chapter 3, “Tests and Adjustments.”