Keysight 34420A Nano Volt / Micro Ohm Meter
Service Guide
129
5 Service
Operating Checklist 130
Types of Service Available 131
Repackaging for Shipment 133
Electrostatic Discharge (ESD) Precautions 134
Surface Mount Repair 135
To Replace the Power-Line Fuse 136
Input Connector 137
Cleaning the Connector Contacts 138
Troubleshooting Hints 139
Self-Test Procedures 141
This chapter discusses the procedures involved for returning a failed meter to
Keysight Technologies for service or repair.