Tektronix 1721 Manuals

Manuals and User Guides for Tektronix 1721. We have 1 Tektronix 1721 manual available for free PDF download: Instruction Manual

Tektronix 1721 Instruction Manual

Tektronix 1721 Instruction Manual (226 pages)

Vectorscope

Brand: Tektronix | Category: Measuring Instruments | Size: 2 MB

Table of Contents

Table of Contents
5
General Safety Summary

12
Preface

14
Section 1 Introduction and Specification

17
- Accessories
  20
  - Standard Accessories
    20
  - Optional Accessories
    20
- Options
  20
  - CRT Options
    20
  - Power Cord Options
    20
- Safety Information
  21
- Specifications
  21
- Table 1-1: Signal Input
  22
- Table 1-2: Vector Mode
  22
- Table 1-3: XY Mode
  24
- Table 1-4: CRT Display
  24
- Table 1-5: Power Source
  24
- Table 1-6: Environmental Characteristics
  25
Section 2 Operating Instructions

27
Section 3 Installation

59
- Packaging
  61
- Electrical Installation
  61
  - Power Source
    61
  - Mains Frequency and Voltage Ranges
    61
  - Operating Options
    61
  - Y INPUT Connector
    61
  - Figure 3-1: Plug Jumper Locations
    62
  - Table 3-1: Internal Jumper Selection
    62
  - Auxiliary Connector
    63
- Mechanical Installation
  64
- Overview
  73
- Block Diagram
  74
  - Video Input
    74
  - Luminance Processing
    74
  - Microprocessor
    74
Section 4 Theory of Operation

75
- Gain Cell
  75
- Chrominance Processing
  75
- Figure 4-1: Simple Block Diagram of a 1720/1721 Vectorscope
  75
- Demodulators
  76
- Output Amplifiers
  76
- CRT Blanking
  76
- Circuit Descriptions
  77
- Diagram 1 Input and Deflection Amplifiers
  77
  - Video Input Amplifiers
    77
  - Gain Cell
    78
- Diagram 2 Subcarrier Regenerator
  78
  - Reference Switch
    79
  - Sync Separator
    80
  - Bowes Oscillator
    80
  - Back Porch Sample
    80
  - Loop Phase Detector and Amplifier
    80
  - Luminance and Chrominance Amplifiers
    80
  - Quadrature Phase Detector and Amplifier
    81
  - Burst Clamp
    81
  - Lock Detector and Bandwidth Switch
    81
  - Error Amplifier
    81
  - PAL Phasing
    82
  - Vcxo
    82
- Diagram 3 Demodulator
  83
- Diagram 4 Deflection Amplifier
  85
  - XY Input Amps
    86
  - Deflection Amplifiers
    86
  - Center Dot Comparators
    86
  - CRT Blanking
    86
- Diagram 5 Microprocessor
  87
  - Microprocessor
    87
  - Table 4-1: U613 Switching Control Outputs
    88
- Diagram 6 Control Circuit
  89
  - Z-Axis Control
    89
  - Trace Rotation
    90
  - Graticule Illumination
    90
  - Post Regulators
    90
- Diagram 7 Low Voltage Power Supply
  91
  - Output Filters
    92
  - Error Amplifier
    93
  - Feedback Transformer Driver and Peak Detector
    93
  - Output HV Shutdown
    93
- Diagram 8 High Voltage Power Supply
  94
  - Focus Amplifier
    95
  - Grid Drive Circuit
    95
  - Z-Axis Amplifier
    95
  - Section 5 Checks and Adjustments
    97
- Recommended Equipment List
  99
  - Electrical Instruments
    99
Section 5 Checks and Adjustments

100
Section 6 Maintenance

125
- Preventive Maintenance
  127
  - Cleaning
    127
  - Visual Inspection
    128
  - Table 6-1: Static Susceptibility
    128
  - Performance Checks and Readjustments
    129
- Troubleshooting
  130
  - Foldout Pages
    130
  - Parts Lists
    131
  - Major Assembly Interconnection
    131
- Specific Troubleshooting Procedures
  134
  - Power Supply
    134
  - Introduction
    134
  - Low Volts Supply
    135
  - High Volts Supply
    135
  - Table 6-2: Power Supply Fault Symptoms
    135
  - Table 6-3: Low Volts Supply Voltages
    135
  - Table 6-4: Control Circuit Test Points
    137
  - High Volts Supply
    138
  - Table 6-5: High Volts Supply Fault Symptoms
    138
  - Table 6-6: High Voltage Oscillator Test Points
    139
  - Serial Port and LED Driver Diagnostics
    140
- Corrective Maintenance
  141
- Mechanical Disassembly/Assembly
  142
  - Bezel Removal
    142
  - Graticule Light Removal and Replacement
    143
  - CRT Removal
    144
  - Replacement of the CRT
    144
  - Removing the Rear Panel
    145
  - Removing the Front Panel Circuit Board
    146
  - Removing the Main Board
    147
  - Removing the Power Supply Board
    148
- Repackaging
  149
  - Identification Tag
    149
  - Repackaging for Shipment
    149
  - Figure 6-8: Repackaging
    150
Section 7 Options

151
- Options
  153
  - Power Cord Options
    153
- Field Upgrade Kits
  153
  - Cabinets
    153
  - Plain Cabinet (1700F00)
    154
  - Carrying Case (1700F02)
    154
  - Side-By-Side Rack Adapter (1700F05)
    154
- Ordering
  154
  - Section 8 Replaceable Electrical Parts
    155
- Parts Ordering Information
  157
- Using the Replaceable Electrical Parts List
  157
Section 8 Replaceable Electrical Parts

163
Section 9 Diagrams/Circuit Board Illustrations

189
- Section 10 Replaceable Mechanical Parts
  213
Section 10 Replaceable Mechanical Parts

218

Advertisement

Advertisement

Related Products

Tektronix Categories

Test Equipment Measuring Instruments Amplifier Portable Generator

Printer

More Tektronix Manuals