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4.2.3 Sine-Wave Generation ...................................................................................................... 107
4.2.4 The Dual-Slope Integrating Detector and Converter ....................................................... 109
5.1 Safety .......................................................................................................................................... 110
5.2 Customer Service ........................................................................................................................ 111
5.3 Instrument Return ....................................................................................................................... 111
5.3.1 Packaging ......................................................................................................................... 111
5.3.2 Repair and Replacement of Circuit Boards ...................................................................... 111
5.4 Performance Verification ............................................................................................................ 112
5.4.1 Overview .......................................................................................................................... 112
5.4.2 Performance Verification Procedure ................................................................................. 112
5.4.3 Measurement-Time Checkout .......................................................................................... 115
5.5 Disassembly and Access ............................................................................................................. 116
5.5.1 Relocation of bnc Connector Bracket .............................................................................. 119
5.5.2 Major internal components ............................................................................................... 120
5.5.3 Interface Options .............................................................................................................. 121
5.5.4 Removal of Multiple-Pin Packages .................................................................................. 122
5.6 Periodic Maintenance ................................................................................................................. 122
5.6.1 Care of Test Fixtures ........................................................................................................ 122
5.6.2 Care of the Display Panel ................................................................................................. 122
5.7 Trouble Analysis ......................................................................................................................... 123
5.7.1 Overview .......................................................................................................................... 123
5.7.2 Power-Up Self check and Certain Aborted Measurements .............................................. 124
5.7.3 Internal Fuse Replacement ............................................................................................... 127
5.7.4 Power Supply and Regulator Board ................................................................................. 128
5.7.5 Sinewave Generator Checks ............................................................................................. 129
5.7.6 Front End Amplifiers and Switches .................................................................................. 129
5.8 Accuracy Verification ................................................................................................................. 130
5.8.1 General ............................................................................................................................. 130
5.8.2 Capacitance Measurement Accuracy (Ranges 1-3) .......................................................... 131
5.8.3 Capacitance Measurement Accuracy................................................................................ 132
5.8.4 Resistance Measurement Accuracy .................................................................................. 134
5.8.5 Inductance Measurement Accuracy.................................................................................. 135
5.8.6 D Measurement Accuracy ................................................................................................ 137
5.8.7 Limit Comparison Bins .................................................................................................... 138
Table of Contents
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