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Touch terminals
WY-60
Maintenance manual
Wyse WY-60 Maintenance Manual
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Also See for WY-60
:
User manual
(114 pages)
,
User manual
(114 pages)
,
User manual
(90 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Overview
Table of Contents
High Level Functional Description
Memory
Microcontroller
Input/Output Devices
Communications Interfaces
Terminal Control
Installation, Operation, and Care
Terminal Installed
User Controls
2 Removal and Replacement Procedures
Overview
Terminal Modules
Removing and Replacing Assemblies in the Keyboard Modules
Keyboard Styles
Remov Ing
And Replacing Assemblies in the Terminal Module
Removing the Terminal Enclosure
Replacing the Fuse
Removing the Terminal PCB
Replacing the Yoke
Discharging the Anode before Removal
Discharging the Anode before Installation
Troubleshooting/Before You Start
3 Troubleshooting
Before You Start
Installation
Primary Troubleshooting Procedures
Before You Start
Preparing the Terminal for Troubleshooting
Required Tools
Diagnostic Self-Test
Power-On Self Test
Troubleshooting Quick Reference Guide
Back-To-Back Diagnostic Self-Test
Module Level Troubleshooting Quick
Troubleshooting Flowchart
No Video/No Beep
Troubleshooting Flowchart
DIM Video
Fails Self-Test of Diagnostic Tests
Other Video Problems
Troubleshooting Flowchart
Additional Troubleshooting Procedures
Miscellaneous Symptoms
Terminal Installation Checklist
Checking for Continuity
Power Supply Check on the Terminal PCB
Checking the Keyboard
Isolating Circuits
Terminal PCB Circuit Isolation Jumpers
4 Adjustments and Alignments
Checking Display Specifications
Centering Rings
Display Magnets
Pattern 0
Aligning the Termin3.L Display
Display Problems and Their Adjustments
Adjusting the Terminal Display
Screen Areas Affected by Display Magnets
ASCII Keyboard PCB Components List
AT-Style Keyboard PCB Components List
Style Keyboard PCB Components List
Terminal PCB Components List
Reference Designator Letters
Sample PCB
Terminal Display Assembly Exploded View
Keyboard Assemblies Exploded Views
Terminal Board Assembly Layout
AT-Style Keyboard PCB Layout
Microcontroller/Keyboard
Microcontroller
Keyboard
Clock Rates
Monitor/Power Supply Components Functional Description
Keyboard Block Diagram
8051 Port Assignments
Additional Functional Descriptions
Communication Interface
Display Memory
Keyboard Interface
Nonvolatile Memory
Video Control
Raster Scan Terminology
WY-60 ASCII Keyboard PCB Schematic
AT-Style Keyboard PCB Schematic
316X-Style Keyboard PCB Schematic
Terminal PCB Schematic (Logic)
AT-Style Keyboard PCB Assembly Drawing
Terminal PCB Logic Assembly Drawing
Pin Numbers (MODEM and aux Ports)
MODEM Port Connector Pin Assignments (DTE
AUX Port Connector Pin Assignments (DCE
Video Inspection Reticle
Checking Width and Height
Checking Straightness, Pincushioning
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Quick Links
1
Communications Interfaces
2
Wy-60 Ascii Keyboard Pcb Schematic
3
Terminal Pcb Schematic (Logic)
Download this manual
See also:
User Manual
WY-60
Maintenance
Manual
For Service Manuals
MAURITRON SERVICES
8 Cherry Tree Road, Chinnor
Oxfordshire, OX9 4QY.
Tel (01844) 351694
Fax (01844) 352554
email:-maurltron@dlal.plpex.com
WYSE
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Chapters
Table of Contents
4
Troubleshooting/Before You Start
32
Microcontroller/Keyboard
83
Table of Contents
Troubleshooting
TROUBLESHOOTING
32
PRIMARY TROUBLESHOOTING PROCEDURES
33
Troubleshooting Quick Reference Guide
35
Module Level Troubleshooting Quick
36
Troubleshooting Flowchart
38
Troubleshooting Flowchart
43
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