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LIST OF ILLUSTRATIONS ... iii LIST OF TABLES ... iii OPERATORS SAFETY SUMMARY ... iv SERVICING SAFETY SUMMARY ... v SECTION 1 SPECIFICATION INTRODUCTION ... 1-1 ACCESSORIES ... 1-1 PERFORMANCE CONDITIONS ________1-1 SECTION 2 OPERATING INSTRUCTIONS PREPARATION FOR USE ... 2-1 SAFETY ... 2-1 LINE VOLTAGE ... 2-1 POWER CORD ... 2-1 LINE FUSE ... 2-1 INSTRUMENT COOLING ... 2-2 CONTROLS, CONNECTORS, AND INDICATORS ... 2-2 POWER, DISPLAY, AND Probe ADJUST ... 2-2 VERTICAL ... 2-3 HORIZONTAL ... 2-4 TRIGGER ... 2-5 REAR PANEL ... 2-8 GRATICULE ... 2-8 GROUNDING ... 2-8 SIGNAL CONNECTIONS ... 2-8 INPUT COUPLING CAPACITOR PRECHARGING ... 2-8 OPERATOR'S ADJUSTMENTS ________2-9 INTRODUCTION ... 2-9 BASELINE TRACE ... 2-9 TRACE ROTATION ... 2-9 Probe COMPENSATION ... 2-10 SECTION 3 THEORY OF OPERATION INTRODUCTION ... 3-1 SECTION ORGANIZATION ... 3-1 INTEGRATED CIRCUIT DESCRIPTIONS ... 3-1 GENERAL DESCRIPTION ... 3-2 DETAILED CIRCUIT DESCRIPTION 3-3 VERTICAL ATTENUATORS ... 3-4 SECTION 3 THEORY OF OPERATION (cont) CHANNEL SWITCH AND VERTICAL OUTPUT ... 3-5 TRIGGER AMPLIFIERS AND SWITCHING ... 3-7 A TRIGGER Generator ... 3-8 A SWEEP Generator AND LOGIC ... 3-9 ALTERNATE B SWEEP ... 3-11 HORIZONTAL ... 3-13 Z-AXIS Amplifier ... 3-14 Power supply AND Probe ADJUST ... 3-16 SECTION 4 PERFORMANCE CHECK PROCEDURE INTRODUCTION ... 4-1 PURPOSE ... 4-1 STRUCTURE ... 4-1 TEST EQUIPMENT ... 4-1 LIMITS AND TOLERANCES ... 4-1 PREPARATION FOR CHECKS .. 4-2 INDEX TO PERFORMANCE CHECK STEPS ... 4-3 VERTICAL ... 4-4 HORIZONTAL ... 4-7 TRIGGER ... 4-11 EXTERNAL Z-AXIS AND Probe ADJUST ... 4-14 SECTION 5 ADJUSTMENT PROCEDURE INTRODUCTION ... 5-1 PURPOSE ... 5-1 STRUCTURE ... 5-1 TEST EQUIPMENT ... 5-1 LIMITS AND TOLERANCES ... 5-1 ADJUSTMENT INTERACTION .. 5-1 PREPARATION FOR ADJUSTMENT ... 5-1 INDEX TO ADJUSTMENT PROCEDURE STEPS ... 5-3 Power supply AND CRT DISPLAY 5-4 VERTICAL ... 5-6 HORIZONTAL ... 5-13 TRIGGER ... 5-19 EXTERNAL Z-AXIS AND Probe ADJUST ... 5-23 MAINTENANCE STATIC-SENSITIVE COMPONENTS PREVENTIVE MAINTENANCE INTRODUCTION ... GENERAL CARE ... INSPECTION AND CLEANING . . LUBRICATION ... SEMICONDUCTOR CHECKS . . . PERIODIC READJUSTMENT .. . TROUBLESHOOTING ... INTRODUCTION ... TROUBLESHOOTING AIDS TROUBLESHOOTING EQUIPMENT ... TROUBLESHOOTING TECHNIQUES ... CORRECTIVE MAINTENANCE INTRODUCTION ... MAINTENANCE PRECAUTIONS . OBTAINING REPLACEMENT PARTS ... MAINTENANCE AIDS ... MAINTENANCE (cont) INTERCONNECTIONS ... TRANSISTORS AND INTEGRATED CIRCUITS ... SOLDERING TECHNIQUES ... REMOVAL AND REPLACEMENT INSTRUCTIONS ... REPACKAGING FOR SHIPMENT SELECTABLE COMPONENTS .. OPTIONS REPLACEABLE ELECTRICAL PARTS DIAGRAMS REPLACEABLE MECHANICAL PARTS Accessories