Manuali utente per Tektronix Webcam 070-8030-01

Sommario

• Table of Contents

  7
  • Specifications

    7
  • Operating Information

    7
  • Theory of Operation

    8
  • Performance Verification

    8
  • Adjustment Procedures

    9
  • Maintenance

    9
  • Options

    10
  • Electrical Parts List

    10
  • Diagrams

    10
  • Mechanical Parts List

    10
• List of Figures

  11
• List of Tables

  14
• General Safety Summary

  17
• Service Safety Summary

  19
• Preface

  21
• Product Description

  24
  • CRT Options

    25
  • Power Cord Options

    25
• Specifications

  26
  • Performance Qualification

    26
  • Heat Dissipation

    26
• Installation

  43
  • Overview

    43
  • Rear Panel Connectors

    44
  • Installation Requirements

    46
  • Electrical Installation

    46
  • Mechanical Installation

    55
  • Rack Mounting The 1780R-Series

    56
  • Initial Calibration

    59
  • Repackaging

    66
• Operating Information

  69
  • Front-panel Controls

    70
  • Functional Measurement Controls

    73
• Theory of Operation

  78
  • Block Diagrams

    78
  • Schematic Diagrams

    79
  • Diagrams 1 & 2 Input Amplifiers

    82
  • Diagram 3 Probe Input and DC Restorer

    84
  • Diagram 4 Input & Reference Selection

    87
  • Diagram 5 Difference Amplifier & Video Filters

    89
  • Diagram 6 Vertical Deflection

    92
  • Diagram 7 Vertical Control Logic, Calibrator, & Cursors

    94
  • Diagram 8 Reference Sync Generation

    98
  • Diagram 9 H & V Sync Generators

    101
  • Diagram 10 Ramp Generator

    105
  • Diagram 11 Horizontal Magnifier & Output Amplifiers

    109
  • Diagram 12 Horizontal Latches & DAC

    112
  • Diagram 13 Slow Sweep & Ext Horiz Input

    114
  • Diagrams 14 & 15 SCH Phase Timing & Sync Locked Oscillator

    116
  • Diagrams 16 & 17 Master MPU, ROM & NVRAM

    121
  • Diagram 17 Dynamic RAM

    123
  • Diagram 18 Line Rate Controller

    126
  • Diagram 19 UART & A/D

    131
  • Diagram 20 Readout Engine & Read Output

    134
  • Diagram 21 Interconnect

    137
  • Diagrams 22, 23, & 24 MPU Annex, Front Switch Panel, & Touch Panel

    139
  • Diagram 25 Vectorscope Input & Gain

    142
  • Diagram 26 Diff Phase/Gain

    144
  • Diagram 27 Vector Timing & Blanking

    147
  • Diagram 28 Demodulators

    150
  • Diagram 29 XY Inputs & PIX Monitor

    152
  • Diagram 30 Vector Deflection Amps

    154
  • Diagram 31 Subcarrier Regenerator

    157
  • Diagram 32 Digital Phase Shifter

    161
  • Diagram 33 Horizontal AFC & Post Regulators

    164
  • Diagram 34 Diff Gain/Phase Alt Mode Switch

    166
  • Diagram 35 Digital Recursive Filter

    168
  • Diagram 36 Z-Axis

    172
  • Diagrams 37 & 38 Timing Cursors & Counters

    174
  • Diagram 39 CRT Display DAC

    179
  • Diagrams 40 & 45 Scale Illum & Trace Rotation – Graticule Lights

    181
  • Diagram 41 Vector High Volts

    184
  • Diagram 42 Waveform High Volts

    187
  • Diagram 43 Low Voltage Power Supply

    190
• Performance Verification

  197
  • Recommended Equipment List

    197
  • Short Form Procedure

    203
  • Performance Check Procedure

    206
• Adjustment Procedures

  266
  • General Information

    266
  • Recommended Equipment List

    269
  • Adjustment List

    273
  • Procedure

    277
• Preventive Maintenance

  327
  • Cleaning or Changing the Fan Filter

    327
  • Performance Checks and Readjustments

    327
  • Cleaning

    327
  • Visual Inspection

    328
• Static-Sensitive Components

  329
• Corrective Maintenance

  331
  • Obtaining Replacement Parts

    331
  • Mechanical Disassembly/Assembly

    332
• Troubleshooting

  341
  • Troubleshooting Aids

    341
  • General Troubleshooting Techniques

    345
• Troubleshooting Procedures

  347
  • Board Accessibility

    347
  • Power Supply

    348
  • Current Limit Adjustment (A1R466)

    354
  • Touch Panel Sensitivity Adjustment (A9R292)

    356
• Options

  358
  • CRT Options

    358
  • Power Cord Options

    358
• Replaceable Electrical Parts

  361
  • Parts Ordering Information

    361
  • Using the Replaceable Electrical Parts List

    361
• Diagrams and Circuit Board Illustrations

  527
  • Symbols

    527
  • Component Values

    527
  • Graphic Items and Special Symbols Used in This Manual

    527
  • Component Locator Diagrams

    527
  • Waveform Conditions

    528
  • Block Diagram 1 Input and Waveform Vertical

    529
  • Block Diagram 2 SCH and Waveform Horizontal

    530
  • Block Diagram 3 Vectorscope

    531
  • Block Diagram 4 Microprocessor

    532
  • Block Diagram 5 Z-Axis

    533
  • Circuit Board and Schematic Diagram Index

    534
  • Input Circuit Board (A8)

    535
  • Waveform Circuit Board (A2)

    540
  • MPU Circuit Board (A5)

    568
  • Annex Circuit Board (A10)

    580
  • Front Panel Circuit Board (A12)

    582
  • Touch Panel Circuit Board (A9)

    584
  • Vectorscope Circuit Board (A6)

    586
  • Oscillator Circuit Board (A7)

    600
  • Filter Circuit Board (A15)

    610
  • Z-Axis Circuit Board (A4)

    614
  • Vector High Voltage Circuit Board (A3)

    626
  • Waveform HV Supply Circuit Board (A16)

    628
  • Power Supply Circuit Board (A1)

    630
  • Interconnect Circuit Board (A11)

    632
  • Vector Graticule Light Circuit Board (A13)

    634
  • Waveform Graticule Light Circuit Board (A14)

    634
• Mechanical Parts List

  639
  • Parts Ordering Information

    639
  • Using the Replaceable Mechanical Parts List

    640
  • Manufacturer's Cross Index

    641
  • Replaceable Parts List

    642
  • Figure 1 Exploded View

    651
  • Figure 2 Cabinet and Accessories

    652