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7623A
Instruction manual
Tektronix 7623A Instruction Manual
Storage oscilloscope with options service
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Instruction manual
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Instruction manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
List of Illustrations
Operating Information
Preliminary Operation
Ac Power Sources
Ac Power Cord
Operating Voltage
Operating Temperature
Rackmounting
Plug-In Units
Plug-In Installation and Removal
Controls and Connectors
Front Panel Controls and Connectors
Rear Panel Controls and Connectors
Graticule
General Operating Information
Display Focus
Intensity Control
Light Filter
Beamfinder
Readout Modes
Display Photography
Storage
Care of Storage Screen
Vertical Mode
Trigger Source
Operation
Intensity Modulation
Calibrator
Raster Display
Signals out
Applications
Specifications
Introduction
Standard Accessories
Theory of Operation
Logic Fundamentals
Symbols
Logic Polarity
Input/Output Tables
Non Digital Devices
Block Diagram
Z-Axis Logic
Main Interface
Theory of Operation
Clock Generator
Vertical Chopped Blanking
Chop Counter
Vertical Mode Control
Vertical Binary
Plug-In Binary
Output Buffers
Trigger Selector
Trigger Mode and Addsignals
Trigger Channel Switch
Trigger Output Amplifier
Vertical Signal Buffer
Vertical Interface
Vertical Channel Switch
Auxiliary Y-Axis Input Amplifier
Delay-Line Buffer
Delayline
Vertical Amplifier
Centering and Readout Amplifier
Input Amplifier
Beamfinder Network
Output Amplifier
Horizontal Amplifier <6
Horizontal Channel Switch
Right Output Amplifier
Left Output Amplifier
High Voltage Regulation
Crt Circuit <7
Sawtooth out
Gate out
Vert Sig out
Outputsignals
Auto Focus DC Restorer
Auto Focus
Control Grid DC Restorer
Z-Axis Amplifier
Crt Control Circuits
Low-Voltage Power Supply
Power Input
50-Volt Supply
15-Volt Supply
Graticule Light Supply
Calibrator 0)
Three-Compartment Mainframes
Introduction
Readout System
Display Format
Developing the Display
Timer
Time-Slot Counter
Word Trigger
Channel Counter
Readout Control
Single-Shot Lockout
Encoding the Data
Column and Row Data Switches
Display-Skip Generator
Column and Row Decoders
Zeros Logic and Memory
Character Generators
Decimal Point Logic and Character Position Counter
Format Generator
Y-Output Amplifier
X-Output Amplifier
Display Sequence
Storage System
Operational Amplifiers
Maintenance
Preliminary Information
Panel Removal
Power Unit Removal
Preventive Maintenance
Cleaning
Lubrication
Visual Inspection
Semiconductor Checks
Recalibration
Troubleshooting
Troubleshooting Aids
Troubleshooting Equipment
Troubleshooting Techniques
Corrective Maintenance
Obtaining Replacement Parts
Soldering Techniques
Component Replacement
Semiconductor Replacement
Cathode-Ray Tube Replacement
Switch Replacement
Graticule-Bulb Replacement
Power Transformer Replacement
High Voltage Compartment
Fuse Replacement
Recalibration after Repair
Instrument Repackaging
Performance Check/Calibration Page
Preliminary Information
Calibration Interval
Tektronix Field Service
Using this Procedure
Test Equipment Required
Part I--Performance Check
Warm-Up and Temperature Requirements
Signal Connections
Special Calibration Fixtures
Calibration Equipment Alternatives
Part H-Calibration
Part I--Performance Check
Check Focus
Check TRACE ROTATION
CRT and Z-Axis Check
Check External Z Axis
Check Vertical Gain
Vertical Deflection System Check
Check Bandwidth
Check Vertical Linearity
Check BEAMFINDER Operation
Check Channel Isolation
Check Vertical Modes
Check High-Frequency Timing
Check Horizontal Linearity
Horizontal Deflection System Check
Check X-¥ Phase Shift
4, Check Horizontal Bandwidth
Check Calibrator Output Voltage
Check Calibrator Repetition Rate
Check EXT SS RESET in
Check SS READY OUT-REMOTE ERASE
Check VERT SIG out
Signals In/Out Check
Check + GATE out
Check + SAWTOOTH out
Check Readoutoperation
Readout System Check
Check Readout Gate Trig'D Operation
Check BISTABLE Writing Speed
Storage System Check
Check Periodic Erase
Check SAVE and SAVE INTEN
Check VAR PERSIST Writing Speed
Check VAR PERSIST FAST Writing Speed
Part II--Calibration
Introduction
Adjust -50 Volt Power Supply
Check Remaining Power Supply Voltages
Low Voltage Power Supply
Check High-Voltage Power Supply
Adjust Z-Axis DC Levels
CRT and Z Axis
Adjust Z-Axis Compensation and Check Drive
Adjust Focus and Astigmatism
Adjust Geometry
Adjust Trace Rotation
Adjust Y-Axis Alignment
Adjust Auto Focus Bias and Gain
Adjust Auto Focus Compensation
Check External Z-Axis
Adjust Vertical Centering
Adjust Vertical Gain
Vertical Deflection System
Adjust Thermal Balance
Check Vertical Linearity
Adjust Vertical High-Frequency Compensation
Check Bandwidth
Check Channel Isolation
Check BEAMFINDER Operation
Check Vertical Modes
Adjust Limit Center
Horizontal Deflection System
Adjust High-Frequency Timing
Adjust Horizontal Gain
Adjust Position
Check Horizontal Linearity
Check Horizontal Bandwidth
Check X-Y Phase Shift
Adjust Calibrator Output Voltage
Calibrator
Check Calibrator Repetition Rate
Check EXT SS RESET in
Check REMOTE ERASE
Signals In/Out
Check + GATE out
Check + SAWTOOTH out
Check VERT SIG out
Check READOUT Operation
Readout Operation
Check Readout Gate Trig'D Operation
Storage System
Check Periodic Erase
Check/Adjust BISTABLE Operation
Check SAVE MODE and SAVE INTEN
Check/Adjust BISTABLE FAST Operation
Check/Adjust VAR Persistoperation
Check/Adjust VAR PERSIST FAST Operation
Check/Adjust VAR PERSIST Faststability
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Tektronix
COMMITTED TO EXCELLENCE
7623A/R7623A
STORAGE
OSCILLOSCOPE
WITH OPTIONS
SERVICE
INSTRUCTION
MANUAL
Table of
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Chapters
Table of Contents
3
Part I--Performance Check
146
Part II--Calibration
166
Table of Contents
Troubleshooting
VISUAL INSPECTION
122
TROUBLESHOOTING EQUIPMENT
125
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