CONTENTS (cont)
434
SECTION 3 CIRCUIT DESCRIPTION Page
Introduction 3-1
Block Diagram
General 3-1
Circuit Operation
General 3-3
Channel 1 Input Amp And Preamp 3-3
Channel 2 Input Amp And Preamp 3-5
Channel Switch 3-6
Vertical O utput A m p lifier 3-9
Trigger Pickoff And Generator 3-10
Sweep Generator 3-13
Horizontal A m plifier 3-16
Power Supply Primary 3-18
Power Supply Secondary 3-21
CRT C ircuit 3-21
Calibrator 3-24
Storage Circuit 3-24
SECTION 4 MAINTEN ANCE
Introduction
4-1
Cabinet Removal
4-1
Preventive Maintenance
General
4-1
Cleaning
4-1
Lubrication 4-2
Transistor Checks 4-2
Recalibration
4-2
T roubleshooting
Introduction 4-2
Troubleshooting Aids 4-2
Troubleshooting Equipment 4-4
Troubleshooting Techniques 4-4
Corrective Maintenance
General
4-8
Obtaining Replacement Parts 4-8
Soldering Techniques
4-8
Component Replacement 4-9
Recalibration A fter Repair 4-11
Instrum ent Repackaging 4-11
SECTION 5 C ALIBR ATIO N Page
Introduction 5-1
Tektronix Field Service 5-1
Using This Procedure 5-1
Test Equipm ent Required
General 5-1
Special Calibration Fixtures 5-1
Calibration Equipment
Alternatives 5-1
Test Equipment 5-2
Index to Calibration Procedure 5-4
Preliminary Procedure for
Complete Calibration 5-4
Preliminary Control Settings 5-5
Power Supply And Display 5-6
Vertical System Adjustm ent 5-14
Trigger C ircuit Adjustm ent 5-21
Horizontal System Calibration 5-24
Calibrator C ircuit Adjustment 5-27
SECTION 6 RACKMOUNTING
Introduction 6-1
Rack Dimensions 6-1
Mounting Procedure 6-1
Portable Conversion 6-2
Rear Panel Signal Connections 6-2
SECTION 7 ELECTRICAL PARTS LIST
Abbreviations and Symbols
Parts Ordering Inform ation
Index of Electrical Parts List
Electrical Parts List
SECTIONS DIAGRAMS AN D CIRCUIT BOARD
ILLUSTRATION S
Symbols and Reference Designators 8-1
Voltage and Waveform Test
Conditions 8-2
Diagrams
Circuit Board Illustrations
II
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