77
Agilent 34980A Multifunction Switch/Measure Unit
Service Guide
Agilent Technologies
4
Troubleshooting and Diagnostics
Troubleshooting Hints 78
Power Supply 79
Product Firmware Updates 79
Instrument Errors 80
Error Numbers 82
Isolate a Problem with a Plug-In Module 90
Relay and FET Replacement 91
34921A 40-Channel Armature Multiplexer with Low Thermal Offset 92
34922A 70-Channel Armature Multiplexer 94
34923A 40/80-Channel Reed Multiplexer 96
34924A 70-Channel Reed Multiplexer 98
34925A 40/80-Channel Optically-Isolated FET Multiplexer 100
34931A Dual 4x8 Armature Matrix 102
34932A Dual 4x16 Armature Matrix 104
34933A Dual/Quad 4x8 Reed Matrix 107
34937A 32-Channel GP Switch 111
34938A 20-Channel High-Current GP Switch 112
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