Keysight 53210A/53220A/53230A 350 MHz Universal Frequency
Counter/Timer
Assembly Level Service Guide
99
2 Service
Introduction 100
Returning the Instrument to Keysight Technologies for Service 104
About the Keysight 53210A/53220A/53230A Calibration Menu 109
The Keysight 53210A/53220A/53230A Calibration Procedures 118
Pre-Troubleshooting Information 152
Troubleshooting the Counter 160
Error Messages 174