Table Of Contents - Fluke ScopeMeter 123 Service Manual

Chapter
1 Safety Instructions ............................................................................. 1-1
1.1 Introduction................................................................................................. 1-3
1.2 Safety Precautions....................................................................................... 1-3
1.3 Caution and Warning Statements................................................................ 1-3
1.4 Symbols....................................................................................................... 1-3
1.5 Impaired Safety ........................................................................................... 1-4
1.6 General Safety Information......................................................................... 1-4
2 Characteristics ................................................................................... 2-1
2.1 Introduction................................................................................................. 2-3
2.2 Dual Input Oscilloscope.............................................................................. 2-3
2.2.1 Vertical ................................................................................................ 2-3
2.2.2 Horizontal ............................................................................................ 2-4
2.2.3 Trigger ................................................................................................. 2-4
2.2.4 Advanced Scope Functions.................................................................. 2-5
2.3 Dual Input Meter ......................................................................................... 2-5
2.3.1 Input A and Input B ............................................................................. 2-5
2.3.2 Input A ................................................................................................. 2-8
2.3.3 Advanced Meter Functions.................................................................. 2-8
2.4 Miscellaneous ............................................................................................. 2-9
2.5 Environmental ............................................................................................. 2-10
2.6 Service and Maintenance ............................................................................ 2-11
2.7 Safety .......................................................................................................... 2-11
2.8 EMC Immunity ........................................................................................... 2-12
3 Circuit Descriptions ........................................................................... 3-1
3.1 Introduction................................................................................................. 3-3
3.2 Block Diagram ............................................................................................ 3-3
3.2.1 Channel A, Channel B Measurement Circuits..................................... 3-4
3.2.2 Trigger Circuit ..................................................................................... 3-4
3.2.3 Digital Circuit ...................................................................................... 3-5
3.2.4 Power Circuit ....................................................................................... 3-6
3.2.5 Start-up Sequence, Operating Modes .................................................. 3-7

Table of Contents

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