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Manuals
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Lear Siegler Manuals
Touch terminals
ADM-2
Maintenance manual
Lear Siegler ADM-2 Maintenance Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
Use and Capabilities
Physical Description and Specifications
Options
2 Installation
General Information
Unpacking
Installing the Adm-2
Installing of Adm-2 Options
Data Interfaces
Polling Interface
Word Structure
Power Option
3 Functional Description
General
Crt Monitor and Display
Keyboard
Main Logic Board
Power Supply
Rs-232-C Data Interface
Options
Serial Printer Interface
Polling Interface
Additional Data Interfaces
4 Theory of Operation
Main Logic Board
Clock (Schematic
Counters (Display Generation) (Schematic
Tristate Bus (TSB) (Schematic
Microprocessor Logic
Keyboard Logic (Schematic
External Interface Logic (Schematic
Video Logic (Schematic P. 5,6,7, II, 12, 19)
Data Memory Address Logic (Schematic
Protect Mode Logic (Schematic
Program Counter Logic (Schematic
Reset Logic (Schematic
Beeper Logic (Schematic
Optional Timeout Logic (Schematic
Polling Option Logic (Schematic
Printer Interface Option (Schematic
Monitor Logic
Video Amplifier
Vertical Deflection
Low Voltage Regulated Supply
Operator Controls & Keyboard
Back Panel Controls
Power ON/OFF Switch
Mode Selector Switch
EIA Switch
Baud Rate Switch
Contrast Adjustment
Brightness Adjustment
Keyboard
Data Keys
Shift Lock Key
Special Function Keys
Control Keys
Status Keys
Basic Operator Procedures
System Start-Up
Initiating Escape Sequences
Formatting Control
Data Editing
Cursor Control
Data Transmission Control
Operator Procedures-Polling Mode
Polling Addressing Dialog
6 Logic Board (Microcontroller) Programming
7 Maintenance
Preventive Maintenance (Pm)
Adjustments
Synchronization and Drive Signals
Low Voltage Supply
Brightness
Video Contrast
Vertical Adjustments
Horizontal Adjustments
Focus Adjustment
Centering
Power Supply Adjustment
Corrective Maintenance
Removal and Replacement
Keyboard
Display Unit Cover
Upper Chassis
Logic Board
Monitor Logic Board
Monitor Assembly
Power Supply
Component Replacement
Troubleshooting the Adm-2
Fault Isolation
Fault Location Determination
Returning Equipment for Repair
100 C Adm-2 Option Drawings.
Appendix Dadm-2 SUBASSEMBLIES
Keyboard
Monitor
Power Supply
Gadm-2 Circuit Board
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