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Tektronix 2230 Service Manual
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114
Table of Contents
Default Chapter
3
Table of Contents
3
List of Illustrations
6
List of Tables
8
Operators Safety Summary
10
Servicing Safety Summary
11
Section 1 GENERAL INFORMATION
13
Introduction
13
Specification
13
CH 2 or Y, and EXT INPUT Connectors
26
1 Physical Dimensions of the 2230 Oscilloscope
27
Section 2 OPERATING INFORMATION
28
Preparation for Use
28
Safety
28
Line Voltage
28
Power Cord
28
Line Fuse
29
Instrument Cooling
29
Start-Up
29
2 1 Securing the Detachable Power-Cord to the Instrument
29
Optional Power Cord Data
29
Repackaging
30
Controls, Connectors, and Indicators
31
Power and Display
31
Vertical
31
Vertical Controls and Connectors
33
Horizontal
35
Horizontal Controls
36
Trigger
39
Storage Controls
42
Menu Selected Functions
44
Rear Panel
46
Side Panel
46
Crt Readout
47
Side Panel
47
X-Y Plotter Interfacing
48
Crt Readout Display
49
Operating Considerations
50
Graticule
50
Grounding
50
Signal Connections
50
Graticule Measurement Markings
50
Input-Coupling Capacitor Precharging
51
Operator's Checks and Adjustments
52
Initial Setup
52
Trace Rotation Adjustment
53
Probe Compensation
53
Horizontal Accuracy Check
54
Section 3 THEORY of OPERATION
55
Section Organization
55
Integrated Circuit Descriptions
55
General Description
55
3 Simplified Block Diagram
56
Detailed Circuit Description
81
ANALOG Cl RCUITRY
81
Vertical Attenuators
81
Block Diagram of the Channel 1 Attenuator Circuit
82
Vertical Preamplifiers
84
Store-Non Store Vertical Switching
85
Vertical Output Amplifier
86
Triggering
87
A Sweep Generator and Logic
91
B Timing and Alternateb Sweep
94
Horizontal
97
Horizontal Amplifier Block Diagram
98
Microprocessor and Store-Panel Controls
99
Status Adc and Bus Interface
100
Storage Acquisition
102
Acquisition Memory
104
Acquisition Memory Timing
111
Digital Time Base
112
Clock Timing
112
Digital Display
118
Vector Generator
119
Power Input, Preregulator and Inverter
121
Power Supply Secondaries, Z-Axis and Crt
123
Simplified Diagram of the DC Restorer Circuitry
124
X-Y Plotter
125
Section 4 PERFORMANCE CHECK PROCEDURE
127
Introduction
127
Purpose
127
Performance Check Interval
127
Structure
127
Test Equipment Required
127
Limits and Tolerances
127
Preparation for Checks
127
Index to Performance Check Steps
129
Vertical
130
Initial Control Settings
130
Procedure Steps
130
Horizontal
138
Initial Control Settings
138
Procedure Steps
138
Trigger
143
Initial Control Settings
143
Procedure Steps
143
External Z-Axis, Probe Adjust, External Clock, and X-Y Plotter
147
Initial Control Settings
147
Procedure Steps
147
Section 5 ADJUSTMENT PROCEDURE
149
Introduction
149
Purpose
149
Structure
149
Test Equipment
149
Limits and Tolerances
149
Adjustments Affected by Repairs
149
Preparation for Adjustment
149
Index to Adjustment Procedure Steps
151
Power Supply and Crt Display
152
Initial Control Settings
152
Procedure Steps
152
Vertical
154
Initial Control Settings
154
Procedure Steps
154
Horizontal
167
Initial Control Settings
167
Procedure Steps
167
Trigger
175
Initial Control Settings
175
Procedure Steps
175
External Z-Axis, Probe Adjust, External Clock, and X-Y Plotter
180
Initial Control Settings
180
Procedure Steps
180
Section 6 MAINTENANCE
182
Static-Sensitive Components
182
Preventive Maintenance
183
Introduction
183
General Care
183
Inspection and Cleaning
183
Lubrication
186
Semiconductor Checks
186
Periodic Readjustment
186
Troubleshooting
186
Introduction
186
Troubleshooting Aids
186
Multi-Connector Holder Orientation
188
Isolated Kernel Timing
190
Troubleshooting Equipment
192
Troubleshooting Techniques
192
Diagnostics
195
Diagnostic Messages
198
Diagnostic Menu
200
Error Code Timing (U4119)
201
Diagnostic Tests
202
Corrective Maintenance
212
Introduction
212
Maintenance Precautions
212
Obtaining Replacement Parts
212
Maintenance Aids
212
Interconnections
214
Transistors and Integrated Circuits
214
Soldering Techniques
214
Removal and Replacement Instructions
215
Location of Screws and Spacers on the Storage Circuit Board
218
6 9 Location of Screws Securing Power-Supply Shield and the Support
221
Bracket to the Rear Chassis Frame
221
Introduction
228
Standard Functions Formats, and Features
229
Performance Conditions
230
7 Option Side Panels
231
Interface Status Indicators
235
Gpib Parameter Selection
236
Rs-232-C Parameter Selection
237
Waveform Transfers
255
Remote-Local Operating States
258
Instrument Response to Interface Messages
259
Gpib Programming
260
Reset under Communication Options Control
261
Ascii Code Chart
265
Option 10 Theory of Operation
266
Option 12 Theory of Operation
267
Option Memory
269
Performance Check Procedure
270
Adjustment Procedure
271
Other manuals for Tektronix 2230
Operator's Manual
188 pages
Programming Manual
42 pages
5
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Tektronix 2230 Specifications
General
Brand
Tektronix
Model
2230
Category
Test Equipment
Language
English
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