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3278-2
IBM 3278-2 Manuals
Manuals and User Guides for IBM 3278-2. We have
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IBM 3278-2 manual available for free PDF download: Maintenance Information
IBM 3278-2 Maintenance Information (172 pages)
Display Station
Brand:
IBM
| Category:
Desktop
| Size: 4.54 MB
Table of Contents
Table of Contents
5
Chapter 1. Introduction 1·1
13
General
13
Magnetic Slot Reader
15
Selector Pen
16
Apl!Text
16
Electrical Grounding
16
Equipment Lightning Protection
17
Maintenance Plan
18
Operation Tests
18
FRU Swapping
18
Maps
18
Chapter 2. Maps
23
MAP 00, Start/Restart MAP
23
Symptom/Repair List 2·00-3
25
Chapter 3. Maintenance Aids
91
Introduction
91
Switches and Indicators
91
Operation Tests
91
Offline Tests
91
Test Mode
92
Test Patterns
93
Japanese English Test Patterns
95
Test Mode
96
Test Mode
99
Online Tests
109
Requesting Online Tests
110
Test 8, PS Feature Test Pattern
120
Error Log/Repair Action
121
Switches and Indicators
123
Switches and Indicators (Katakana)
124
Upper Frame
126
Card Illustrations
130
Card Illustrations, (M) Type
130
Operator Controls and Indicators
138
Feature Cabling
139
Keyboard
140
Chapter 4 . Locations (Seefigures) 4-1
143
Chapter 5. Display Image Adjustments
143
Yoke Alignment and Centering
143
Remove Cone Sh Ield
143
Yoke Alignment
143
Yoke Grounding Clips
144
Centering and Horizontal Width
145
Reinstall Cone Shield
145
Analog Card Adjustments
145
Focus Adjustment
146
Power Supply Adjustment Procedures
146
Chapter 6. Removals and Replacements
149
Covers
149
Power Units
149
Low-Voltage Power Supply
149
AC Capacitor
150
Prime Power Box
150
Ferrotransformer
150
Lower Frame
150
Sy27-2510-6 (1/81 )
151
High-Voltage Power Supply
151
Fuses
151
Card/Connector Removal and Replacement Procedures
151
Internal Connectors
152
Internal Coax
152
Cards
152
Circuit Board Segments
153
Crt
153
Yoke and Shields
155
Operator Controls
156
CRT Frame Assembly
157
On/Off Switch
157
Intensity and Contrast Controls
157
Indicator Card Assembly
157
Switches
157
Optional Features
158
Audible Alarm
158
Security Keylock
158
Keyboard Units
158
Keyboard from Display Station
159
Keyboard Top Cover
159
Keyboard Assembly from Base
159
Clicker Assembly
160
Keybutton
160
Key Module
160
Key Module Removal (Including Spacer Module)
160
Key Module Replacement
161
Spacebar
162
Logic Card Assembly
162
Selector Pen
163
Chapter 7. Magnetic Slot Reader Information
165
Appendix A. Glossary
167
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