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IBM 3205 Maintenance Information

Color display console

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Maintenance Li. rary

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Color Display Console

Maintenance Information

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SY18-2121-1

Table of Contents

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Table of Contents

- 11
  Table of Contents
- 14
  Keyboard Cable
15
Chapter 1. Introduction
- 15
  Video Unit
- 15
  Keyboard Unit
- 15
  Logic Unit
  - 16
    Console Units, Accessories and Parts
  - 16
    Test/Normal Switch
  - 18
    Indicators
  - 18
    Switches and Controls
    - 18
      Setup Switches
    - 19
      Operator Messages
- 20
  Offline Tests
  - 20
    Offline Test Pattern
- 21
  Data Flow
  - 21
    IBM 3205 Data Flow
- 22
  122-Key Keyboard (Keyboard-To-Display Test)
- 23
  124-Key Keyboard (Keyboard-To-Display Test)
25
Chapter 2. Problem Determination Guide
- 25
  Console Quick Check
  - 25
    Symptom Index
  - 31
    Keyboard Cable
  - 32
    Power-On Light or Status Light Problem
  - 34
    Pin Voltages in Video Cable
  - 35
    Display Problem
  - 40
    Test/Normal Switch
  - 45
    Keyboard Problem
  - 45
    All Characters
  - 46
    Automatic Characters
  - 46
    Double Characters
  - 47
    Different Characters
  - 48
    Audible Alarm Problem
  - 48
    Audible Alarm
  - 48
    No Alarm
  - 49
    Audible Alarm Control Knob
  - 50
    Monocase/Dualcase Switch Problem
  - 51
    Color Switch Problem
  - 52
    Security Key Failure
- 53
  Offline Tests
  - 53
    Setup Switches and Jumpers Status
  - 54
    Offline Test Pattern
  - 54
    7-Color Pattern
  - 55
    Offline Test Procedure
  - 55
    Switches Setting
  - 57
    All-Character Pattern in Monocase (A)
  - 58
    4-Color Pattern
  - 59
    Setup Switches
63
Chapter 3 Removal and Replacement Procedures
- 64
  Logic Unit
  - 64
    Logic Unit Cover
  - 65
    Logic Unit Cover
  - 66
    Logic Board Assembly
  - 67
    Security Keylock Assembly
- 68
  Video Unit
- 63
  Keyboard Unit
69
Chapter 4. 3205 Part Numbers
- 70
  IBM 3205 Final Assembly
- 76
  Preparation
77
Chapter 5 IBM 3205 Safety Inspection Guide
- 77
  General
- 79
  Low Voltage
- 79
  High Voltage
  - 79
    Grounding Pass Schematics
- 80
  Keyboard Unit (Membrane Type)
- 81
  Keyboard Unit (Capacitance Type)
- 83
  IBM 3205 Installation Instructions
  - 83
    Console and Parts
  - 84
    Turn Keyboard
  - 85
    Set Pedestal
  - 85
    Lock Gray Latches
  - 86
    Ensure Lock
87
Appendix A.ibm 3205 Installation Instructions
- 87
  Attach Pedestal to Video Unit
- 89
  Connect Cables to the Rear
- 90
  Attach Cable Clamp A-S
- 91
  Set Power On
- 92
  Adjust the Brightness of Your Display
- 93
  Check Audible Alarm
- 94
  Personalize the Console for the Operator
97
Appendix B. Packing Instructions
- 97
  Keyboard Unit
- 97
  Video Unit
- 98
  Logic Unit
- 98
  Three Units in a Master Carton

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