Tektronix 1480-series Waveform Monitors Instruction manual (Service manual)
July 1976
Last Manual change apendix: 13. Sept. 1976


Added Application notes: 11, 12, 13, 14, 15, 16, 17, 20, 21

English language, 296 pages
All pages 300dpi, grayscale (schematics and some other colour) lossless LZW tiff scans, lossless ZIP PDF compression, 174 MBytes
Seamless scans, retouched and normalized, print ready.






TABLE OF CONTENTS

1 INSTALLATION
Electrical 1-1
Power Requirements 1-1
Mains Ranges and Fuses 1-1
Internal Programming 1-1
Mechanical 1-1
Rackmount Models 1-4
Cabinet Models 1-4
2 OPERATING INSTRUCTIONS
Vertical Features 2-1
Horizontal Features 2-1
Rear Panel Features 2-1
Graticules 2-1
Controls 2-2
Connectors 2-6
Graticules 2-8
Patterns 2-8
Internal 2-8
External 2-8
Operating Precautions 2-9
OperationalCheck Out 2-9
Powering Up 2-10
No Signal-In Checks and Alignments 2-10
Signal-In Checks 2-10
Operating Changes 2-16
2 FIELD RGB/YRGB (P4030) 2-16
Line Sweep RGB/YRGB (P4240) 2-16
Fast Clamp Slew Rate (P1993) 2-16
Measurement Techniques 2-17
Using WAVEFORM COMPARISON 2-17
Using the CALIBRATOR 2-17
Using the DC RESTORER 2-17
Using the AUX VIDEO IN and AUX VIDEO OUT 2-17
Using the RGB/YRGB Input (J9034) 2-18
Using PIX MONITOR OUT 2-18
Using LINE STROBE OUT 2-18
Using DIRECT and AFC SYNC 2-18
Using EXT SYNC 2-18
Using EXTERNAL HORIZ IN 2-18
Specifications 2-18
Vertical System 2-19
Horizontal System 2-22
Power Source and Supply 2-25
Environmental Characteristics 2-27
3 PERFORMANCE CHECK/ CALIBRATION PROCEDURE
Introduction 3-1
Test Equipment 3-1
Equipment Setup 3-2
Short Form Procedure 3-3
Power Supply Procedure 3-4
Vertical System Procedure 3-6
Horizontal System Procedure 3-12
Sync and Return Loss 3-14
4 THEORY OF OPERATION
Block Diagram Description 4-1
Circuit Description 4-3
Diagram 1 Vertical Input 4-3
Diagram 2 Filters and Aux Video Output 4-4
Diagram 3 DC Restoration and Gain Cell 4-6
Diagram 4 Vertical Deflection 4-8
Diagram 5 Int/Ext Sync Switching 4-8
Diagram 6 AFC/Direct Switching and Pulse Generator 4-10
Diagram 7 DC Restorer Timing 4-12
Diagram 8 Line Counter and 2 Field Sweep Generator 4-13
Diagram 9 Line Selector Logic and Line Sweep Generator 4-20
Diagram 10 Horizontal Switching Logic 4-23
Diagram 11 Horizontal Amplifier 4-24
Diagram 12 Low Voltage Power Supply 4-25
Diagram 13 Z-Axis Logic 4-25
Diagram 14 High Voltage Power supply 4-26
5 OPTIONS
Option 1 X10 Probe 5-1
Option 2 Carrying Case for Cabinet Models 5-7
Option 3 Blank CRT 5-7
Option 4 VTR Tone Wheel Sync Input 5-7
Option 5 VTR Tone Wheel Sync Input 5-15
6 MAINTENANCE
Preventive Maintenance 6-1
Troubleshooting 6-2
Corrective Maintenance 6-7
7 ELECTRICAL PARTS LIST 7-1
8 SERVICING ILLUSTRATIONS 8-1
9 DIAGRAMS AND CIRCUIT BOARD ILLUSTRATIONS 9-1
10 MECHANICAL PARTS LIST 10-1
CHANGE INFORMATION