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Contents
1690A,AD-series disassembly/assembly 133
Prepare the instrument for disassembly 133
To remove the chassis from the sleeve 133
To remove the fascia 134
To remove the acquisition board 136
To remove the deck 137
To remove the power supply 137
To remove the distribution board 138
To remove the fans 139
To remove the line filter 140
To remove the front panel and front frame 141
7 Replaceable Parts
Replaceable Parts Ordering 144
Replaceable Parts List 145
Exploded View 146
Agilent 1680A,AD-Series Replaceable Parts 147
Exploded View 153
Agilent 1690A,AD-Series Replaceable Parts 154
Power Cables and Plug Configurations 157
8 Theory of Operation
Block-Level Theory 160
Agilent 1680A,AD-series Logic Analyzer Theory 161
Power Supply 162
Acquisition Board 162
Power Distribution Board 165
Front Panel Board 165
Agilent 1690A,AD-series Logic Analyzer Theory 166
Acquisition Board 166
Power Supply 166
Power Distribution Board 166
Self-Tests Descriptions 167
Power-up Self-Tests (1680A,AD-series) 167
Connectivity Tests (1690A,AD-series) 167
Acquisition Board Self Tests 168
Logic Analyzer Self-Tests 169