User Manuals: Lear Siegler ADM-2 Display Terminal

Manuals and User Guides for Lear Siegler ADM-2 Display Terminal. We have 1 Lear Siegler ADM-2 Display Terminal manual available for free PDF download: Maintenance Manual

Lear Siegler ADM-2 Maintenance Manual

Lear Siegler ADM-2 Maintenance Manual (212 pages)

Brand: Lear Siegler | Category: Touch terminals | Size: 11 MB

Table of Contents

Table of Contents
3
Introduction
8
Use and Capabilities
9
Physical Description and Specifications
12
Options
16
2 Installation

18
- General Information
  18
- Unpacking
  18
- Installing the Adm-2
  18
- Installing of Adm-2 Options
  20
- Data Interfaces
  20
- Polling Interface
  21
- Word Structure
  21
- Power Option
  21
3 Functional Description

22
- General
  22
- Crt Monitor and Display
  23
- Keyboard
  23
- Main Logic Board
  23
- Power Supply
  24
- Rs-232-C Data Interface
  24
- Options
  26
- Serial Printer Interface
  26
- Polling Interface
  26
- Additional Data Interfaces
  29
4 Theory of Operation

30
- Main Logic Board
  30
- Clock (Schematic
  30
- Counters (Display Generation) (Schematic
  30
- Tristate Bus (TSB) (Schematic
  33
- Microprocessor Logic
  35
- Video Amplifier
  49
- Vertical Deflection
  50
- Low Voltage Regulated Supply
  52
  - Operator Controls & Keyboard
    53
    
    Back Panel Controls
    53
    
    Power ON/OFF Switch
    53
    
    Mode Selector Switch
    53
    
    EIA Switch
    53
    
    Baud Rate Switch
    53
    
    Contrast Adjustment
    54
    
    Brightness Adjustment
    54
  - Keyboard
    54
    
    Data Keys
    54
    
    Shift Lock Key
    54
    
    Special Function Keys
    54
    
    Control Keys
    54
    
    Status Keys
    54
  - Basic Operator Procedures
    63
    
    System Start-Up
    63
    
    Initiating Escape Sequences
    63
    
    Formatting Control
    65
    
    Data Editing
    65
    
    Cursor Control
    66
    
    Data Transmission Control
    67
    
    Operator Procedures-Polling Mode
    67
    
    Polling Addressing Dialog
    68
6 Logic Board (Microcontroller) Programming

75
7 Maintenance

86
- Preventive Maintenance (Pm)
  86
- Adjustments
  86
  - Synchronization and Drive Signals
    86
  - Low Voltage Supply
    86
  - Brightness
    86
  - Video Contrast
    86
  - Vertical Adjustments
    86
  - Horizontal Adjustments
    87
  - Focus Adjustment
    87
  - Centering
    87
  - Power Supply Adjustment
    87
- Corrective Maintenance
  87
- Removal and Replacement
  87
  - Keyboard
    88
  - Display Unit Cover
    88
  - Upper Chassis
    88
  - Logic Board
    88
  - Monitor Logic Board
    88
  - Monitor Assembly
    88
  - Power Supply
    88
  - Component Replacement
    88
- Troubleshooting the Adm-2
  89
  - Fault Isolation
    89
  - Fault Location Determination
    94
- Returning Equipment for Repair
  101
100 C Adm-2 Option Drawings.

138
Appendix Dadm-2 SUBASSEMBLIES

138
- Keyboard
  139
- Monitor
  147
- Power Supply
  150
- Gadm-2 Circuit Board
  210

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