IBM 3279 2A Manuals

Manuals and User Guides for IBM 3279 2A. We have 2 IBM 3279 2A manuals available for free PDF download: Maintenance Information, Maintenance Manual

IBM 3279 2A Maintenance Information (206 pages)

Color Display Station

Brand: IBM | Category: Touch terminals | Size: 7.23 MB

Table of Contents
4
Chapter 1. General Description and Locations

12
- Introduction
  12
  - Indicators
    13
- Display Unit
  13
  - Electrical Grounding
    13
  - Equipment Lightning Protection
    13
  - Video 01)Tput Facility
    13
- Keyboards
  20
  - Scan Codes
    20
  - Break Codes
    20
  - Keyboard Cable
    20
  - System Upshift
    20
  - Keyboard Type Identification
    20
  - Keyboard Lock
    20
  - Numeric Lock (Feature)
    20
- Tools and Test Equipment
  20
  - General Logic Probe
    20
Chapter 2. Maintenance Aids

22
- Maintenance Plan
  22
- General Failure Index
  22
- Maps
  22
- Intensity Override
  22
- S Test Modes (Offline)
  22
  - Test Mode 1: Pattern
    24
  - Test Mode 2: Keyboard
    24
  - Test Mode 3: Commands
    24
- Online Tests
  26
  - Running Online Tests
    27
  - Test
    28
  - Test 1: Error Log
    30
  - Test 3: Status Summary 2-\0
    31
  - S Test 4: Error Log Reset 2-\0
    31
  - Test 7: Operator Convergence Utility
    31
  - Test 8: 7-Color and Programmed Symbols (PS)
    31
  - Error Codes
    32
- Jumper Positions
  34
Chapter 3. Functional Components

36
Chapter 4. Removal and Replacement Procedures

50
- General
  50
- Logic Gate
  50
- Rear Cover
  50
- Bezel
  50
- S Power Units
  52
  - Fuse
    52
  - Power Supply
    52
  - Prime Power Box
    52
  - Analog Card
    53
- Logic Cards
  53
  - I Removal
    53
  - Replacement
    53
- Connectors
  54
  - Internal Coaxial Connection
    54
- Video Components
  56
  - Amplifier Card
    56
  - Video Card
    56
  - CRT and Coil Assembly
    56
  - EHT Bleed Assembly
    58
  - S Degauss Coil
    59
- Logic. Board Planar Strips
  59
  - Removal
    59
  - Replacement 4-\0
    59
- Audible Alarm
  60
- I Keyboard Units
  60
  - Keyboard from Display Station
    60
  - Keyboard Top Cover
    60
  - Keyboard Assembly from Base
    60
  - Clicker Assembly
    60
  - Keybutton
    60
  - Key Modules
    61
  - Spacebar
    62
  - Logic Card Assembly
    62
Chapter 5. Display Adjustments

64
- Initial Checks
  65
- Coarse Adjustments
  65
  - Coarse Color Balance
    66
  - Coarse Raster Adjustment
    66
  - Coarse Focus
    66
  - Coarse Static Convergence
    66
  - Coarse Color Purity
    67
- Fine Adjustments
  67
  - Static Convergence
    67
  - Purity
    67
  - Dynamic Convergence (Online Test 7)
    68
  - Focus Adjustments
    68
  - Raster Controls
    69
  - Color Balance
    70
  - Repetition
    71
  - Convergence Amplifier Gain Controls
    71
Chapter 6. Support Information

72
- Block Diagram
  72
- 3279 Control Signals
  73
  - Waveforms
    73
  - Activation Sequence
    76
- Top Card Connector and Planar Strip Wiring
  76
- Grounding and Cables
  89
- Bezel Wiring
  97
- Keyboard Jumpers and Cables
  99
- Attachment Cabling
  101
- ECS and PS Card Layouts
  103
- Power Supplies
  104
- Display Attributes and Modified Data Tags
  105
- Extended Character Set Buffer
  106
Appendix A. Indicators in Operator Information Area A-I

109
- Abbreviations and Glossary G-I
  190
- Glossary
  192
  - Cut Along Dotted Line
    204
  - IBM 3279 Color Display Station Models 2A, 28, 3A and 38 Maintenance Information
    204
  - Order No. SY33-0069-3
    204
  - This Manual Is Part of a
    204
  - Obligation to You
    204
  - Your Comments will be
    204
  - Possible Topics for Comments Are
    204
  - Clarity Accuracy Completeness
    204
  - What Is Your Occupation
    204
  - Number of Latest Newsletter Associated with this Publication
    204

IBM 3279 2A Maintenance Manual (66 pages)

Color Display Terminal Maintenance Analysis Procedures

Brand: IBM | Category: Computer Hardware | Size: 3.33 MB

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IBM 3279 2A Manuals

IBM 3279 2A Maintenance Information (206 pages)

Table of Contents

Chapter 1. General Description and Locations

Chapter 2. Maintenance Aids

Chapter 3. Functional Components

Chapter 4. Removal and Replacement Procedures

Chapter 5. Display Adjustments

Chapter 6. Support Information

Appendix A. Indicators in Operator Information Area A-I

IBM 3279 2A Maintenance Manual (66 pages)

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