Tektronix 222A Manuals

Manuals and User Guides for Tektronix 222A. We have 1 Tektronix 222A manual available for free PDF download: Service Manual

Tektronix 222A Service Manual (247 pages)

DIGITAL STORAGE OSCILLOSCOPE

Brand: Tektronix | Category: Test Equipment | Size: 4 MB

Strategy for Servicing
3
Manual Structure
3
Manual Conventions
4
Operating Information
7
Table of Contents
8
Options and Accessories
10
Replaceable Electrical Parts
10
Probes
19
Symbols and Terms
20
Specific Precautions
20
Voltage Measurements
22
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23
Product Description
24
Signal Acquisition System
25
Horizontal System
25
Trigger System
25
Acquisition Control
26
Auto Setup
26
Storage and I/O
26
Warranted Characteristics
32
Typical Characteristics
36
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38
General Information
39
Supplying Operating Power
39
Connecting the Battery
39
Battery Operation
40
Charging the Battery
40
Charging the Battery Externally
41
Time-Out Feature
41
Replacing the Battery
42
Storing the Instrument
43
AC Line Operation
44
Other Sources of External Power
45
Connecting the Protes
46
Configuring the Probes
47
Installed Options
50
Front Panel Controls
51
Trigger Controls
53
General Operating Instructions
54
Vertical Controls
54
Horizontal Controls Ke Eee
54
The Display
54
Readouts
54
Menus and Menu Buttons
57
Top Panel Controls
58
Side Connectors
59
The Tilt Stand
61
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63
Logic Conventions
64
Module Overview
64
Microprocessor System
66
Display System
66
Power Supply
66
Acquisition System at
67
Acquisition Hybrids
67
A/D Converter
69
Isolation Interface
69
Motor Trigger
70
Microprocessor A2
70
Display System A2
73
Main Board A3
76
Acquisition Power Supply
76
Battery Charger Regulator
76
Time Base
76
Low Voltage Supply
79
High Vaitage Power Supply
79
Defiection Amplifiers
80
Pot Board A5
81
Front Panel Board A6
81
Keypad Board A7 "1
81
Performance Verification
82
Brief Procedures
83
General Instructions
83
Conventions
83
Self Cal Tests
85
Initial Setup Procedure
85
Autoset Tests
86
Related Information
87
Equipment Required
88
Initial Control Settings
90
Trigger Checks
91
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105
Requirements for Performance
106
Personnel
106
Warm-Up Period
106
Access to Adjustments
106
Test Equipment &1
106
Adjustment after Repair
107
Adjustment Dependencies
107
Equipment Required
108
Preparation
109
Display Adjustments
110
Sweep Length and Vector Adjustments
112
Reference Self Calibration
114
Gain Seif Calibration
115
Clock Delay Adjustment
116
External Trigger
117
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120
Maintenance
121
Maintenance Information
121
Susceptibility to ESD
122
General Care
125
Inspection and Cleaning Procedures
126
Inspection - Exterior
126
Cleaning Procedure - Exterior
126
Inspection - Interior
127
Cleaning Procedure - Interior
128
Lubrication
128
Removal and Installation Procedures
129
List of Modules
129
General Instructions
130
Summary of Procedures
130
Equipment Required
130
Circuit Board Identification
131
Front and Top Case
133
CRT and Power Supply Board
136
Acquisition Board and Main Board
139
Front Panel Board
142
Keypad Board
143
Troubleshooting
145
How to Use the Troubleshooting Procedures
145
Organization of Troubleshooting Procedures
146
222A Diagnostics
146
RS-232-C Connection
146
Power-Up Error Cades
147
Self-Calibration Enor Codes
148
Firmware Installation
151
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153
External Power AC Adapter Options
154
Optional Accessories
155
List of Assemblies
157
Cross Index - Mfr. Code Number to Manufacturer
159
Repiaceable Electrical Parts
168
Component Values
180
Diagrams and Circuit Board Illustrations
180
Component Locator
181
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232
Parts Ordering
233
Replaceable Parts
233

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Tektronix 222A Service Manual (247 pages)

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