Справочник ПользователяСодержаниеTable of Contents7Specifications7Operating Information7Theory of Operation8Performance Verification8Adjustment Procedures9Maintenance9Options10Electrical Parts List10Diagrams10Mechanical Parts List10List of Figures11List of Tables14General Safety Summary17Service Safety Summary19Preface21Product Description24CRT Options25Power Cord Options25Specifications26Performance Qualification26Heat Dissipation26Installation43Overview43Rear Panel Connectors44Installation Requirements46Electrical Installation46Mechanical Installation55Rack Mounting The 1780R-Series56Initial Calibration59Repackaging66Operating Information69Front-panel Controls70Functional Measurement Controls73Theory of Operation78Block Diagrams78Schematic Diagrams79Diagrams 1 & 2 Input Amplifiers82Diagram 3 Probe Input and DC Restorer84Diagram 4 Input & Reference Selection87Diagram 5 Difference Amplifier & Video Filters89Diagram 6 Vertical Deflection92Diagram 7 Vertical Control Logic, Calibrator, & Cursors94Diagram 8 Reference Sync Generation98Diagram 9 H & V Sync Generators101Diagram 10 Ramp Generator105Diagram 11 Horizontal Magnifier & Output Amplifiers109Diagram 12 Horizontal Latches & DAC112Diagram 13 Slow Sweep & Ext Horiz Input114Diagrams 14 & 15 SCH Phase Timing & Sync Locked Oscillator116Diagrams 16 & 17 Master MPU, ROM & NVRAM121Diagram 17 Dynamic RAM123Diagram 18 Line Rate Controller126Diagram 19 UART & A/D131Diagram 20 Readout Engine & Read Output134Diagram 21 Interconnect137Diagrams 22, 23, & 24 MPU Annex, Front Switch Panel, & Touch Panel139Diagram 25 Vectorscope Input & Gain142Diagram 26 Diff Phase/Gain144Diagram 27 Vector Timing & Blanking147Diagram 28 Demodulators150Diagram 29 XY Inputs & PIX Monitor152Diagram 30 Vector Deflection Amps154Diagram 31 Subcarrier Regenerator157Diagram 32 Digital Phase Shifter161Diagram 33 Horizontal AFC & Post Regulators164Diagram 34 Diff Gain/Phase Alt Mode Switch166Diagram 35 Digital Recursive Filter168Diagram 36 Z-Axis172Diagrams 37 & 38 Timing Cursors & Counters174Diagram 39 CRT Display DAC179Diagrams 40 & 45 Scale Illum & Trace Rotation – Graticule Lights181Diagram 41 Vector High Volts184Diagram 42 Waveform High Volts187Diagram 43 Low Voltage Power Supply190Performance Verification197Recommended Equipment List197Short Form Procedure203Performance Check Procedure206Adjustment Procedures266General Information266Recommended Equipment List269Adjustment List273Procedure277Preventive Maintenance327Cleaning or Changing the Fan Filter327Performance Checks and Readjustments327Cleaning327Visual Inspection328Static-Sensitive Components329Corrective Maintenance331Obtaining Replacement Parts331Mechanical Disassembly/Assembly332Troubleshooting341Troubleshooting Aids341General Troubleshooting Techniques345Troubleshooting Procedures347Board Accessibility347Power Supply348Current Limit Adjustment (A1R466)354Touch Panel Sensitivity Adjustment (A9R292)356Options358CRT Options358Power Cord Options358Replaceable Electrical Parts361Parts Ordering Information361Using the Replaceable Electrical Parts List361Diagrams and Circuit Board Illustrations527Symbols527Component Values527Graphic Items and Special Symbols Used in This Manual527Component Locator Diagrams527Waveform Conditions528Block Diagram 1 Input and Waveform Vertical529Block Diagram 2 SCH and Waveform Horizontal530Block Diagram 3 Vectorscope531Block Diagram 4 Microprocessor532Block Diagram 5 Z-Axis533Circuit Board and Schematic Diagram Index534Input Circuit Board (A8)535Waveform Circuit Board (A2)540MPU Circuit Board (A5)568Annex Circuit Board (A10)580Front Panel Circuit Board (A12)582Touch Panel Circuit Board (A9)584Vectorscope Circuit Board (A6)586Oscillator Circuit Board (A7)600Filter Circuit Board (A15)610Z-Axis Circuit Board (A4)614Vector High Voltage Circuit Board (A3)626Waveform HV Supply Circuit Board (A16)628Power Supply Circuit Board (A1)630Interconnect Circuit Board (A11)632Vector Graticule Light Circuit Board (A13)634Waveform Graticule Light Circuit Board (A14)634Mechanical Parts List639Parts Ordering Information639Using the Replaceable Mechanical Parts List640Manufacturer's Cross Index641Replaceable Parts List642Figure 1 Exploded View651Figure 2 Cabinet and Accessories652Размер: 11,3 МБСтраницы: 652Язык: EnglishПросмотреть
