Tektronix 1730 Series - Section 4 Theory of Operation

Tektronix 1730 Series

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Theory of Operation

Table of Contents

Default Chapter1
- Instruction Manual1
- Table of Contents5
- Preface15
- Contacting Tektronix16
Section 1 Introduction and Specification19
- Typical Configurations20
- Options21
  - CRT Options21
  - Power Cord Options21
- Accessories21
  - Standard Accessories21
  - Optional Accessories21
- Safety Information22
- Specification22
- Table 1-1: Vertical Deflection System23
- Table 1-2: DC Restoration25
- Table 1-3: Calibrator25
- Table 1-4: Horizontal Deflection System25
- Table 1-5: Synchronization27
- Table 1-6: RGB/YRGB Mode28
- Table 1-7: CRT Display29
- Table 1-8: Power Source29
- Table 1-9: Environmental Characteristics29
- Table 1-10: Certifications and Compliances30
- Table 1-11: Physical Characteristics31
Section 2 Operating Instructions33
- Front-Panel Controls and Indicators35
- Horizontal37
- Display38
- Line Select39
- Power39
- Recall Setup40
- Miscellaneous41
- Rear-Panel Connectors41
  - Bnc Connectors41
  - Multi-Pin Connectors42
- Power Input43
- Figure 2-13: Two-Field Display with 15 Line Mode of the LINE SELECT on53
- Graticules55
  - NTSC Composite Video Graticule Vertical Scales55
Service Safety Summary63
Section 3 Installation67
- Electrical Installation69
  - Power Source69
  - Mains Frequency and Voltage Ranges69
- Operating Options69
- Packaging69
  - Figure 3-1: Plug Jumper Locations and RGB Compensation Adjustments70
- Table 3-1: Internal Jumper Selections70
- REMOTE Connector71
- Figure 3-9: a 1700-Series Instrument Mounted in a 1700F05 Cabinet with a Blank79
- Figure 3-8: the 1700F05 Side-By-Side Rack Adapter79
- Custom Installation80
Figure 3-10: a 1700F05 Side-By-Side Rack Mounting Cabinet with an Instrument80
Figure 3-11: Considerations for Custom Installation of an Instrument81
Section 4 Theory of Operation83
- Figure 4-1: Simplified Representation of the 1730-Series Waveform Monitor85
- Overview85
- Block Diagram86
  - Circuit Blocks86
  - CRT, Unblanking, and High Voltage88
- Vertical Input88
  - Diagram 188
- Vertical Output92
  - Diagram 292
- Timing95
  - Diagram 395
- Figure 4-6: Relative Line Select Elements for the 2-Line Display99
- Figure 4-4: Simplified Representation of the AFC Phase-Lock Loop. 4-12.99
- Figure 4-5: Elements for Line Select Timing.99
- Sweep Generators and Horiz Output Diagram100
- Microcontroller102
- Front Panel Diagram108
  - Indicators and Switches108
  - Controls108
- Low Voltage Power Supply Diagram109
- High Voltage Power Supply Diagram112
Figure 4-9: Z-Axis Timing for Readout.114
Figure 4-8: Timing Signals for 1-Line and 2-Line Sweep114
Figure 4-10: Pinout of the CRT Socket114
Section 5 Checks and Adjustments115
- Recommended Equipment List117
- Performance Check123
- Figure 5-4: Equipment Hook-Up for Checking Vertical Gain.134
- Adjustment Procedure143
  - Short-Form Procedure143
  - Standard Adjustment Procedure144
Figure 5-8: Segment of the Main Board, Showing the Test Points and Adjustment148
Figure 5-9: Equipment Setup to Adjust 0.2 Ms Timing148
Figure 5-10: Equipment Setup for Adjusting the Calibrator Amplitude151
Figure 5-11: Equipment Setup for Adjusting Channel a Input Compensation152
Figure 5-12: Adjusting for Best Flat Response153
Figure 5-13: Using the High-Range Multiburst Signal to Set Flatness155
Section 6 Maintenance159
- Preventive Maintenance161
- Troubleshooting163
- Specific Troubleshooting Techniques168
- Corrective Maintenance175
  - Obtaining Replacement Parts175
- Mechanical Disassembly/Assembly176
- Repackaging183
Section 7 Options185
- CRT Options187
- Power Cord Options187
- Cabinets187
- Ordering188
Section 8 Replaceable Electrical Parts189
- Parts Ordering Information191
- Using the Replaceable Electrical Parts List191
- Cross Index-Mfr. Code Number to Manufacturer191
- Replaceable Electrical Parts191
  - Column Descriptions192
  - Cross Index – Mfr. Code Number to Manufacturer193
Section 9 Diagrams/Circuit Board Illustrations223
Section 10 Replaceable Mechanical Parts249
- Parts Ordering Information249
- Using the Replaceable Mechanical Parts List249
  - Abbreviations249
  - Chassis Parts249
- Column Descriptions250
- Replaceable Mechanical Parts252

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