User ManualTable of ContentsTitle Page1Warranty3Table of Contents5List of Figures8List of Tables9General Safety Summary11To Avoid Fire or Personal Injury11Symbols and Terms11Service Safety Summary13Preface15Features15Operators Part15Service Part15Contacting Tektronix16Section 1 Introduction and Specifications19Introduction19Features19CRT Display19Bar Graph20Dynamic response characteristics for peak program meters20Return Time21Rear Panel21Safety Standards21Specifications22Section 2 Operating Instructions29Introduction29Front–Panel Controls29Rear–Panel Connectors30CRT Display31Display Orientation31Graticule32LED BARS33Using The 760A / 760D / 760N34Initial Alignment34Level Setups35System Phase Error Measurements35Energy Distribution36Monaural Compatibility37Polarity Reversal37Clipping38Section 3 Installation43Electrical Installation43Unpacking43Power Source43Mains Frequency and Voltage Ranges43Changing Input Sensitivity (Standard 760A only)43User–Definable Input Sensitivity (Standard 760A only)44Changing Input Termination44Changing Display Orientation44Section 4 Maintenance49Preventive Maintenance49Introduction49Cleaning49CORRECTIVE MAINTENANCE50Visual Inspection50Static–Sensitive Components50Performance Checks and Readjustments50How To Use This Manual50TROUBLESHOOTING INFORMATION53Obtaining Replacement Parts53DAC Servicing53PAL Signal Specification54Power Supply Troubleshooting Procedure55Introduction55Low Volts Supply56High Volts Supply58MECHANICAL DISASSEMBLY AND ASSEMBLY61Bezel Removal61Graticule Light Removal and Replacement62Removal of the CRT62Replacing the CRT62Rear Panel Removal and Replacement63Front Panel Assembly Removal and Replacement63LED Bar and Socket Removal and Replacement64Main Board Removal and Replacement64Power Supply Board Removal and Replacement65REPACKAGING66Section 5 Performance Check and Calibration Procedures71UNKNOWNIntroduction71Required Test Equipment71Performance Check Procedure72TOP72FRONT72Calibration Procedure81TOP82Section 6 Theory of Operation89INTRODUCTION89BLOCK DIAGRAM89DETAILED CIRCUIT DESCRIPTIONS89INPUT AMPLIFIERS <1>89MATRIX & AGC CONTROL LOGIC <4>90AGC & CRT DEFLECTION AMPLIFIERS <5>91GRAPH DRIVERS <2>92Dynamic Response Control (Left)92Signal Peak Processor (Left)92Bar Anode Driver (Left)93Peak Hold On/Off93BAR SCANNER/DRIVER & DAC <3>94Master Clock94Down Counter94Scale Shaper Lookup Table94DAC94LOW VOLTAGE POWER SUPPLY <6>94Line Rectifier and Filter95Pulse Width Modulator95Output Filters96Error Amplifier96Feedback Transformer Driver and Peak Detector96Output Under-Voltage Shutdown96HIGH VOLTAGE POWER SUPPLY <7>97HV Osc and Error Amp97Power Supply Outputs98Focus Amplifier98Grid Drive Circuit98Z-Axis Amplifier98CRT99Section 7 Options103OPTIONS103Introduction103CRT Options103Power Cord Options103Section 8 Replaceable Electrical Parts107Parts Ordering Information107Using the Replaceable Electrical Parts List107Abbreviations108Component Number108List of Assemblies108Chassis Parts108Mfr. Code to Manufacturer Cross Index108Section 9 Diagrams/Circuit Board Illustrations141Symbols141Component Values141Assembly Numbers142Grid Coordinates142Section 10 Replaceable Mechanical Parts163Parts Ordering Information163Using the Replaceable Mechanical Parts List163Abbreviations164Chassis Parts164Mfr. Code to Manufacturer Cross Index164Size: 1.29 MBPages: 172Language: EnglishOpen manual