Tektronix 2236 Manuals

Tektronix 2236 Manuals

Manuals and User Guides for Tektronix 2236. We have 2 Tektronix 2236 manuals available for free PDF download: Instruction Manual

Tektronix 2236 Instruction Manual

Tektronix 2236 Instruction Manual (351 pages)

Brand: Tektronix | Category: Test Equipment | Size: 37.19 MB

Table of Contents

Instrument Serial Numbers
2
Table of Contents
3
List of Illustrations
6
List of Tables
7
Operators Safety Summary
8
Servicing Safety Summary
9
Specification
11
- Accessories
  11
- Performance Conditions
  11
- Introduction
  11
- Electrical Characteristics
  12
Operating Instructions
29
- Preparation for Use
  29
  - Safety
    29
  - Line Voltage
    29
  - Power Cord
    29
  - Line Fuse
    29
- Controls, Connectors, and Indicators
  30
  - Instrument Cooling
    30
  - Display, Power, and Probe Adjust
    30
  - Vertical
    31
  - Horizontal
    32
  - Trigger
    34
VERT MODE Trigger Source
35
- Counter,Timer, and Multimeter
  36
- Rear Panel
  37
- Right Side Panel
  37
Multimeter Right Side Panel Connectors
38
- Operating Considerations
  39
  - Graticule
    39
  - Grounding
    39
  - Signal Connections
    39
  - Input Coupling Capacitor Precharging
    39
  - Power-Up Checks
    40
  - Ctm Measurement Considerations
    40
    
    Status and Error Messages
    40
    
    Operator’s Adjustments
    42
  - Baseline Trace
    42
  - Trace Rotation
    42
  - Introduction
    42
  - Probe Compensation
    43
    
    Channel 1 AC RMSV
    43
    
    Equipment Required for 10X Probe Compensation
    44
Theory of Operation
45
- Section Organization
  45
- Integrated Circuit Descriptions
  45
- Digital Logic Conventions
  45
- Introduction
  45
- General Description
  46
  - Oscilloscope
    46
  - Ctm
    47
- Detailed Circuit Description
  48
  - Vertical Attenuators
    48
    
    Input Coupling
    48
  - Oscilloscope
    48
    
    Buffer Amplifier and Gain Switching Network
    49
    
    Paraphase Amplifier
    49
    
    Vertical Preamplifiers
    49
    
    Channel Switch and Vertical Output
    50
    
    Delay Line Driver
    51
    
    Vertical Output Amplifier
    51
    
    A/B Sweep Separation Circuit
    52
    
    Internal Trigger
    52
    
    Trigger Amplifiers and Switching
    52
    
    A External Trigger Amplifier
    53
    
    A Trigger Generator
    53
    
    A Trigger Level Circuit
    53
    
    A Schmitt Trigger and TV Trigger Circuit
    54
    
    A Sweep Generator and Logic
    54
    
    A Trigger Level Comparator
    54
    
    A Miller Sweep Generator
    55
    
    A Sweep Logic
    55
    
    Alternate B Sweep
    56
    
    B Miller Sweep Generator
    56
    
    B Delay Time Position Comparator
    57
    
    B Sweep Logic
    57
    
    B Trigger Level Comparator
    57
    
    Runs after Delay
    57
    
    Alternate Display Switching Logic
    58
- Horizontal Preamplifier
  58
  - B Z-Axis Logic
    58
- X-Y Amplifier
  59
- Horizontal Output Amplifier
  59
- Z-A Xis Amplifier
  60
- DC Restorer
  61
Power Supply and Probe Adjust
62
- Power Input
  62
- Preregulator
  62
- Inverter
  63
- Crt Supply
  63
- Focus Circuit
  63
- Low-Voltage Supplies and Fan
  63
Cpu System
64
- Probe Adjust
  64
- Microprocessor Reset
  64
- CPU Clock and Interrupt Timing
  64
- Ctm
  64
- Address Decoding Logic
  64
- Rom
  64
Display System
65
- Display and Filament Driver
  65
- Sample Counter Read Ports
  65
- Time Counter Read Ports
  66
- Counter Control Latch
  66
- DMM Control Latch
  66
- Audio Transducer
  66
- Pushbutton Read Port
  66
- Oscilloscope Read Port and Probe Decoder
  66
Input/Output Ports
65
- Buffered Data Bus Latch
  65
- Counter Data Bus Switch
  65
- Display Multiplexing
  65
Counter System
66
- Input Multiplexer
  66
- Synchronizer
  67
- Phase-Locked Loop
  71
- Sample and Time Counter Chains
  71
- Oscillators
  71
  - Scope Sweep System Interface
    72
    
    Delay/Delta Time Controller-Digital Section
    72
    
    Delay/Delta Time Controller-Analog Section
    73
    
    Intensified Zone Controller
    73
  - DMM
    73
    
    Typical Waveforms for the Delta Time Func Tion with Valt HI
    75
    
    Input Switching Network
    76
    
    Input Buffer
    77
    
    Input Filter
    77
    
    Ac Compensation
    78
    
    Multiplexer and Voltage Reference
    78
    
    V/F Converter
    78
    
    Ohms Reference
    79
    
    Overload Protection
    80
    
    Relay Drive
    80
    
    Serial Interface
    80
    
    DMM Power Supply
    81
    
    Performance Check Procedure
    82
- Structure
  82
- Test Equipment
  82
- Limits and Tolerances
  82
Introduction
82
- Purpose
  82
- Preparation for Checks
  83
- Test Equipment Required
  83
- Index to Performance Check Steps
  85
  - Initial Control Settings
    86
  - Procedure Steps
    86
- Settings for Bandwidth Checks
  88
Vertical
86
Horizontal
90
- Settings for Timing Accuracy Checks
  91
- Check Variable Range and Sweep Separation
  91
- Check Delay Jitter
  91
- Check Position Range
  91
- Check Sweep Length
  92
- Check X Bandwidth
  92
- Check X Gain
  92
Trigger
93
- Check External Trigger Ranges
  95
- Check Single Sweep Operation
  95
Ctm
96
- Check Delay Time Range and Accuracy
  97
- Check Delta Time
  97
- Check Width
  97
- Check Ac Volts Accuracy
  98
- Check Ac Volts Zero
  98
- Check DC Volts Accuracy
  98
- Check DC Volts Zero
  98
- Ac CH 1 Readout Checks
  99
- Check Channel 1 Ac Volts
  99
- DC CH 1 Readout Checks
  99
- DC Probe Readout Checks
  99
- Check Diode Forward Drop
  100
- Check Ohms
  100
- Resistance Readout Checks
  100
- Check Common Mode Rejection
  101
- Check Normal Mode Rejection
  101
- Check Temperature
  101
- Test Setup for DM M Common Mode Check
  102
- Adjustment Interaction
  103
- Preparation for Adjustment
  103
Adjustment Procedure Section
103
Introduction
103
- Purpose
  103
- Structure
  103
- Test Equipment
  103
- Limits and Tolerances
  103
- Adjustment Interactions
  104
- Index to Adjustment Procedure Steps
  105
Power Supply Limits
106
Power Supply and Crt Display
106
- Adjust Trace Alignment
  107
- Adjust Astigmatism (R874)
  107
- Adjust CRT Grid Bias (R851)
  107
- Check High-Voltage Supply
  107
- Adjust Attenuator Step Balance (RIO and R60)
  108
- Adjust 2/5 MV DC Balance (R83 and R33)
  108
Vertical
108
Deflection Accuracy Limits
111
- Check Input Coupling
  112
- Check Alternation Operation
  112
- Check Chop Operation
  112
- Check Trigger View Gain
  113
- Adjust 2-MV Peaking Compensation
  113
- Check Bandwidth Limit Operation
  114
Settings for Bandwidth Checks
114
- Check Channel Isolation
  115
- Check Common-Mode Rejection Ratio
  115
- Check External Z-Axis Operation
  115
- Check Probe Adjust Operation
  116
- Check Input Gate Current
  116
Horizontal
117
- Adjust Magnifier Registration (R749)
  118
- Check Variable Range
  118
- Adjust 5-Ns Timing and Linearity (C775 and
  119
- Check Timing Accuracy and Linearity
  119
- Settings for Timing Accuracy Checks
  119
  - Adjust X Gain (R760)
    120
  - Check Sweep Separation
    120
  - Check A-Sweep Holdoff
    121
Trigger
122
Ctm
126
- DC Voltage Readout Checks
  129
DC Probe Readout Checks
130
- Ac Probe Readout Checks
  131
  - Adjust Beeper Volume (R1832)
    131
  - Check Tem Perature
    132
Maintenance
133
Static-Sensitive Components
133
Preventive Maintenance
134
- General Care
  134
- Inspection and Cleaning
  134
- Interior
  134
- Introduction
  134
  - External Inspection Checklist
    135
  - Internal Inspection Checklist
    135
  - Cleaning Oscilloscope Circuit Boards
    136
  - Switch Contacts
    136
  - Cleaning CTM Circuit Boards
    136
- Lubrication
  137
- Periodic Readjustment
  137
- Semiconductor Checks
  137
- Introduction
  137
- Troubleshooting Aids
  137
  - Circuit Board Locations
    138
  - Circuit Board Interconnection Diagram
    138
  - Power Distribution Diagram
    138
  - Grid Coordinate System
    138
- Troubleshooting Equipment
  139
- Troubleshooting Techniques
  139
  - Sem Iconductor Lead Configurations
    139
  - Multipin Connectors
    139
  - Isolate Trouble to a Circuit
    140
  - Check Power Supplies
    140
  - Check Circuit Board Interconnections
    140
  - Check Voltages and Waveforms
    140
  - Transistors
    141
  - Integrated Circuits
    141
  - Diodes
    141
  - Check Individual Components
    141
- Ctm Troubleshooting Procedure
  142
  - Repair and Adjust the Circuit
    142
  - Kernel and Display System
    142
  - Power-Up Checks and Diagnostic Routines
    143
  - Counter Error Messages
    146
  - DMM
    147
  - Extended Counter
    147
  - DMM Test Error Codes
    148
  - Extended Counter Error Messages
    149
  - Display Verification
    150
  - Period Measurement Loop Test Waveforms.
    151
  - Width Measurement Loop Test Waveforms
    152
  - DMM Serial Interface Loops Test Waveforms
    153
Corrective Maintenance
154
- Maintenance Precautions
  154
- Obtaining Replacement Parts
  154
- Maintenance Aids
  154
- Interconnections
  154
- Transistors and Integrated Circuits
  156
- Soldering Techniques
  156
- Removal and Replacement Instructions
  157
  - Cabinet
    157
  - CTM Circuit Board
    157
  - Display Circuit Board
    159
  - Cathode-Ray Tube
    160
  - Power-Supply Shield
    161
  - Filter Circuit Board
    161
  - Alt Sweep Circuit Board
    161
  - Circuit Board
    162
  - Tinning Circuit Board
    163
  - Bottom Shield, Attenuator and Timing Circuit-Board Module
    164
  - Front-Panel Circuit Board
    164
  - Main Circuit Board
    166
- Repackaging for Shipment
  167
- Selectable Components
  168
- Trigger Bandwidth Alternation
  168
Options
169
- Abbreviations
  170
- List of Assemblies
  170
Replaceable Electrical Parts
170
Diagrams
239
- Power Supply Isolation Procedure
  245
- Control Settings
  277
- DC Voltages
  277
- AC Woveforms
  277
- Service
  284
- A6 Filter Board
  284
- Test Waveform for Option
  312
- Parts Ordering Info
  320
- Item Name
  320
Section 10 Replaceable Mechanical Parts
320
Change Information
342

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Tektronix 2236 Instruction Manual

Tektronix 2236 Instruction Manual (60 pages)

Brand: Tektronix | Category: Test Equipment | Size: 11.53 MB

Table of Contents

Table of Contents

3
- Operators Safety Summary
  5
- General Information
  7
- Introduction
  7
- Specification
  7
- Physical Characteristics
  7
- Electrical Characteristics
  8
- Probe Compensation
  20
- Environmental Characteristics
  21
- Calibration
  24
- Repackaging for Shipment
  24
- Power Cord
  25
- Line Fuse
  25
- Пfirst-Time Start up
  25
- Line Voltage
  25
- Safety
  25
- Instrument Cooling
  26
- Controls , Connectors , and
  26
- Indicators
  26
- Display , Power , and Probe Adjust
  26
- Vertical
  27
- Horizontal
  29
- Trigger
  30
- VERT MODE Trigger Source
  31
- Counter , Timer , and
  32
- Multimeter
  33
- Right Side Panel
  33
- Rear Panel
  33
- Multimeter Right Side Panel Connectors
  34
- General Operating Information
  35
- Grounding
  35
- Signal Connections
  35
- Input Coupling Capacitor
  35
- Precharging
  35
- Status and Errors Messages
  36
- Power- up Checks
  36
- Ctm Measurement Considerations
  36
- Power - up Checks
  36
- Operator's Adjustments
  38
- Introduction
  38
- Baseline Trace
  38
- Trace Rotation
  38
- Probe Compensation
  39
- Equipment Required for 10X Probe Compensation
  39
Basic Applications/Introduction

41
- AC Peak - to - Peak Voltage
  41
- Basic Applications
  41
- Common -Mode Rejection
  41
- Introduction
  41
- Procedures
  41
- Voltage Measurements
  41
- Algebraic Addition
  43
- Instantaneous DC Voltage
  43
- Instantaneous Voltage Measurement
  43
- Amplitude Comparison
  44
- Television Displays
  44
- TV Line Signal
  44
- Voltage Ratios
  44
- Delayed - Sweep
  45
- Magnification
  45
- ПTV Field Signal
  45
- Magnified Sweep Runs after Delay
  46
- Pulse Jitter
  46
- Pulse Jitter Time Measurement
  46
- Frequency
  47
- Period
  47
- Time and Frequency Measurements
  47
- Triggered Magnified Sweep
  47
- Width
  47
- Rise Time
  48
- Time Interval on Signal Waveform
  48
- Rise Time
  49
- Time Difference between Pulses on Two Time Related Signals (Short Method )
  49
- Time Difference between Points on Two
  50
- Time Difference between Points on Two Time Related Signals ( General Method)
  50
- Gated Measurements
  51
- Phase Difference
  51
- Multimeter Connections to Forward Bias
  52
- Multimeter Measurements
  52
- Resistance and Semiconductor Junctions
  52
- Ac Rms
  53
- Continuity
  53
- Reference Resistance Values
  53
- Reverse Voltage Drop to Reverse Leakage
  53
- Channel 1 Volts
  54
- DC Volts
  54
- Note
  54
- Preset Instrument Controls and Obtain a Baseline Trace
  54
- Temperature
  54
- Introduction
  55
- Option 14
  55
- Optional Accessories
  55
- Options and Accessories
  55
- Standard Accessories
  55
- Change Information
  57

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