Wyse WY-30 Terminal Network Keyboard Manuals

Manuals and User Guides for Wyse WY-30 Terminal Network Keyboard. We have 1 Wyse WY-30 Terminal Network Keyboard manual available for free PDF download: Maintenance Manual

Wyse WY-30 Maintenance Manual

Wyse WY-30 Maintenance Manual (102 pages)

Brand: Wyse | Category: Touch terminals | Size: 3 MB

Table of Contents

Table of Contents

4
- Overview
  2
  - Table of Contents
    4
- High Level Functional Description
  8
- Microcomputer
  8
- Memory
  8
- Terminal Control
  8
- Input/Output Devices
  8
  - Communications Interfaces
    9
- Environment
  10
- Terminal Dimensions
  10
- Operator Interfaces
  11
  - P Ower Cord
    11
- Setup Parameters
  12
  - Communications Cable
    12
  - AC Power Switch
    12
  - Brightness Slideswitch
    12
  - Touch/Tilt Screen Adjustment
    12
- Cleaning
  13
Removal and Replacement Procedures/Keyboard

14
- 2 Removal and Replacement Procedures
  14
  - Keyboard
    14
  - Overview
    15
  - Before You Start
    15
  - Terminal Modules
    15
    
    Safety
    15
  - Removing and Replacing Assemblies in the Keyboard Module
    16
    
    Required Tools
    16
  - Keyboard Assembly
    17
    
    Keyboard Cable
    17
  - Removing and Replacing Assemblies in the Terminal Module
    18
    
    Keyboard PCB
    18
  - Removing the Terminal Enclosure
    19
  - Replacing the Fuse
    20
    
    Replacing the Terminal PCB
    21
  - Removing the Terminal PCB
    22
    
    Replacing the Crt/Yoke Assembly
    23
    
    Replacing the Yoke
    25
    
    Discharging the Anode
    26
    
    Discharging the Anode before Removal
    26
    
    Replacing the Terminal Enclosure
    26
    
    Discharging the Anode before Installation
    27
Troubleshooting Quick Reference Guide

28
- 3 Troubleshooting
  28
  - Troubleshooting Quick Reference Guide
    28
  - Before You Start
    29
    
    Required Tools
    29
    
    Safety
    29
  - Troubleshooting Quick Reference Guide
    30
  - Troubleshooting Flowchart
    30
  - Setup Parameters
    30
  - Troubleshooting Flowchart
    31
  - Troubleshooting Aids
    35
    
    Installation Checklist
    35
    
    Checking for Continuity
    36
    
    Power Supply Check on the Terminal PCB
    36
  - Power-On Self-Test Error Messages
    38
    
    Diagnostic Self-Test
    38
  - Diagnostic Self-Test Error Messages
    39
    
    Checking the Keyboard
    39
    
    Isolating Circuits
    40
Adjustments and Alignments/Display Magnets

41
- 4 Adjustments and Alignments
  
  41
  - Display Magnets
    41
  - Centering Rings
    41
  - Before You Start
    42
    
    Safety
    42
    
    Tools Required
    42
  - Power Adjustments
    43
  - Does the Terminal Meet the Display Specifications
    44
  - Aligning the Terminal Display
    46
  - Adjustments
    47
  - Ad J Us Tmen T Locations
    47
  - Display Problems and Adjustments
    47
    
    Height
    47
    
    Vertical Hold
    47
    
    Brightness
    48
    
    Linearity
    48
    
    Display Leveling
    49
    
    Focus
    49
    
    Width
    49
  - Yoke Lock on the CRT Neck
    50
- 5 Illustrated Parts List
  
  53
  - Introduction
    53
  - Terminal Display Assembly Exploded View
    53
  - Keyboard Assembly Exploded View
    53
  - Terminal Components List
    53
  - Keyboard Components List
    53
  - Terminal Board Assembly Layout
    53
  - Terminal Display Assembly Exploded View
    55
  - Keyboard Assembly Exploded View
    56
  - Terminal PCB Components List
    57
    
    Keyboard
    60
  - Diagnostic Self-Test Connectors
    62
- 6 Theory of Operation
  
  63
  - Input/Output Devices
    63
  - Introduction
    64
  - Microcomputer and Related Logic
    64
  - Memory Map
    65
  - Values Loaded into CRTC
    68
  - Screen Attribute Assignments
    69
  - Power Supply and Monitor Circuitry
    71
  - Keyboard
    73
  - Communication Ports
    74
  - Terms and Abbreviations
    74
- 7 Schematics
  
  76
  - Keyboard PCB
    76
  - Terminal PCB (Logic)
    76
  - Terminal PCB (Monitor/Power Supply)
    76
  - A Specifications
    89
  - Keyboard
    90
  - MODEM Port Pin Assignments (DTE
    92
  - AUX Port Pin Assignments (DTE
    92
  - Checking Straightness, Pincushioning, Centering, and Vertical Linearity
    97
  - Index
    99

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