Tektronix 9235A Manuals

Manuals and User Guides for Tektronix 9235A. We have 1 Tektronix 9235A manual available for free PDF download: Instruction Manual

Tektronix 9235A Instruction Manual (278 pages)

PORTABLE OSCILLOSCOPE

Brand: Tektronix | Category: Test Equipment | Size: 10 MB

Table of Contents
5
List of Illustrations
7
List of Tables
9
Operators Safety Summary
10
Servicing Safety Summary
11
Introduction
13
Accessories
13
Performance Conditions
13
Power Cord
13
Specifications
14
Trigger System
16
Ext Input
16
Horizontal Deflection System
17
Line Fuse
19
Z-Axis Input
19
Cathode-Ray Tube
19
Operating Instructions
25
Preparation for Use
25
Line Voltage
25
Repackaging
26
And Indicators
27
Display and Power
27
Vertical 2.0.0
27
Trace Rotation
27
TIME POSITION Control
29
Rear Panel
32
Operating Considerations
33
Signal Connections
33
Operator's Checks
35
Introduction
35
Baseline Trace
35
Vertical Deflection
36
Index to Basic Application Procedures
37
Voltage Measurements
37
Algebraic Addition
39
Common-Mode Rejection
39
Nondelayed Time Measurements
40
Amplitude Comparison
40
Time Duration 0
40
Time Difference between Pulses on Time-Related Signals
42
Phase Difference
42
Television Displays
44
Delayed-Sweep Magnification
44
TV Line Signal
44
Magnified Sweep Runs after Delay
45
Pulse Jitter Time Measurement
46
Reference Line
47
Rise Time . 20.0
48
Time Difference between Two Pulses on Two Time-Related Signals
48
Theory of Operation
53
Introduction
53
Section Organization
53
Integrated Circuit Descriptions
53
General Description
54
Detailed Circuit
56
Buffer Amplifier and Gain Switching Network
56
Paraphase Amplifier
57
Channel Switch and Vertical Output
58
Trigger Amplifiers and Switching
60
A External Trigger Amplifier
62
Line Trigger Amplifier
62
A Trigger Level Circuit
63
A Miller Sweep Generator
64
A Sweep Logic
65
Alternate B Sweep
66
Runs after Delay
66
B Delay Time Position Comparator
66
Horizontal Preamplifier
68
Horizontal Output Amplifier
69
Z-Axis Amplifier
69
Focus Circuit
73
Low-Voltage Supplies
73
Performance Check Procedure
75
Limits and Tolerances
75
Preparation for Checks
75
Test Equipment
76
Index to Performance Check Steps
78
Vertical
79
Initial Control Settings
79
Check Position Range
80
Check Trigger View Gain
80
Check Bandwidth
80
Check Common-Mode Rejection Ratio
81
Check Channel Isolation
81
Procedure Steps
82
Horizontal
82
Initial Control Settings
82
Check Timing Accuracy and Linearity
82
4, Check Delay Jitter
84
Check X Gain
85
Position Control
85
Procedure Steps
86
Initial Control Settings
86
Trigger
86
Check Internal a and B Triggering
86
Check External Triggering
87
Check External Trigger Ranges
87
Check Single Sweep Operation
88
External Z-Axis and Calibrator
89
Procedure Steps
89
Check External Z~Axis Operation
89
Adjustment Procedure
91
Introduction
91
Structure 0.0.00
91
Preparation for
92
Vertical Attenuators
92
Horizontal Amplifier
92
Adjustment Interaction
92
Index to Adjustment
93
Power Supply and CRT Display
94
Adjust CRT Grid Bias
95
Adjust Astigmatism
95
Adjust Trace Alignment
95
Adjust Geometry
95
Check Scale Inumination
95
Procedure Steps
96
Initial Control Settings
96
Vertical
96
Adjust Channel 1 Variable Balance
97
Adjust Channel 2 Invert Balance
97
Adjust MF/LF Compensation and Gain Balance
97
Adjust High-Frequency Compensation
99
Adjust 2-MV Peaking Compensation
100
Adjust Horizontal Amplifier Gain
101
Adjust X10 Horizontal Amplifier Gain
101
5, Adjust 5-Ys Timing
102
7, Check Timing Accuracy and Linearity
103
Check Delay Time Dial Range and Accuracy
104
Check A-Sweep Holdoff
105
Trigger
106
Maintenance
109
Static-Sensitive Components
109
Preventive Maintenance
110
Introduction
110
General Care
110
Inspection and Cleaning
110
Lubrication
112
Periodic Readjustment
113
Troubleshooting
113
Troubleshooting Aids
113
Troubleshooting Charts
114
Measurements
116
Corrective Maintenance
119
Maintenance Precautions
119
Obtaining Replacement
119
Transistors and
121
Soldering Techniques
121
Removal and Replacement Instructions
122
Alt Sweep Circuit Board
124
Timing Circuit Board
125
Main Circuit Board
127
Replaceable Electrical Parts
131
Cross Index - Mfr. Code Number to Manufacturer
132
Diagrams and Circuit Board Illustrations
167
Sync Generator
167
A3-Front Panel Board
192
Other Parts
207
Calibrator
211
Power Distribution Diagram
223
Replaceable Mechanical Parts
239
Parts Ordering Information
239
Indentation System
239
Cover Assembly
251
Manual Change Information
261
Alternate Sweep
267

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Tektronix 9235A Manuals

Tektronix 9235A Instruction Manual (278 pages)

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