Overview - Wyse WY-60 Maintenance Manual

OVERVIEW
This maintenance manual contains information on how to service
and repair the WY-60 terminal. We assume you are a qualified
service technician with previous experience in terminal and
computer repair. To take full advantage of this manual, we
suggest you read the information in the order presented.
HOW TO USE THIS MANUAL
This manual is divided into seven chapters and four appendixes.
The first chapter provides important information for the
technician who has never serviced this terminal before. If you
are already familiar with the terminal, the technical information
in Appendix A can remind you about the terminal.
Here is a summary of this manual:
Chapter 1, wGeneral Information," describes the terminal,
including information about internal functions, input/output
(I/O), telecommunications, environmental needs, and operator
controls.
Chapter 2, "Removal and Replacement Procedures," shows you how to
take the terminal apart and put it back together again.
Chapter
3,
wTroubleshooting," tells you what to look for and how
to fix problems with the terminal. It includes a list of tools
needed for troubleshooting, a quick reference guide, and a
flowchart.
Chapter
4,
"Adjustments and Alignments," describes power supply
and monitor adjustments that control the quality of the display.
Chapter 5, "Illustrated Parts List," includes a list of display
and keyboard assembly parts.
Chapter
6,
"Theory of Operations," describes the terminal
operation by function.
Chapter
1,
"Schematics and PCB Assembly Drawings," contains
schematic representations of all the terminal's circuits.
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