Keysight 53210A/53220A/53230A 350 MHz Universal Frequency
Counter/Timer
Assembly Level Service Guide
181
3 Replacing Assemblies
Introduction 182
Tools Required 183
To Remove the Cover and Rear Bezel 185
To Remove the Internal DC Battery Assembly (Option 300) 187
To Remove the GPIB Assembly 189
To Remove a 6.0 GHz or 15.0 GHz Microwave Channel Assembly (Options 106/
115) 190
To Remove the Processor Board 193
To Remove the Front Panel Assembly 194
To Remove the Motherboard 198
To Remove the AC Power Supply Assembly 199
Disassembly and reassembly.