Wyse WY-60 Maintenance Manual page 132

Clock
divider, 6-4
generator, 6-3
rates, 6-4
UART, 6-6
Cod e ROM, 6-4
Communication interface,
6-10
Component diagram
316X keyboard PCB, 5-18
AT-Style keyboard PCB,
5-20
power supply, 4-8
terminal PCB, 5-14
WY-60 keyboard PCB, 5-16
Computer interface, 3-13
Connector pin assignments,
B-1
Continuity check, 3-14
Controller
programmable video, 6-12
programmable video timing,
6-4
video, 6-11
Controls
attribute, 6-12
soft font, 6-3
user, 1-5
CRT
display, 1-3, 6-13
functional description,
6-8
CRT/yoke assembly
rem ov i ng, 2 - 13
replacing, 2-14
Cursor attributes, A-4
D
Data communication driver
+12 volt, 6-8
-12 volt, 6-8
Decoder, 6-4
Deflection circuit, 6-8
Diagnostic self-test
back-to-back, 3-4
connectors, 5-21
procedure, 3-3
Dimensions
keyboard, A-3
screen, A-3
terminal, A-3
Disable, 6-13
Discharging the anode, 2-16
Display
adjustments, 4-1
alignment, 4-1, 4-5
alignment and adjustment
tools, 4-2
capacity, 1-3
check with reticle, D-3
definition, D-2
format, A-1
intensi ty, A-2
leveling adjustment, 4-11
memory, 6-11
problems, 4-9
si ze, A-2
size of margins, 4-4
specification, 4-2
time, A-1
Display magnets
adjustments, 4-13
screen areas affected by,
4-14
Dot clock oscillator, 6-5
Dot stretcher, 6-3
Drivers
beeper, 6-3
horizontal, 6-6
video, 6-3
E
Environment, 3-13
Exploded views
keyboard assemblies, 5-4
terminal display assembly,
5-3
F
Field, 6-13
Filter, line, 6-6
Flowchart for
troubleshooting, 3-5
Flyback transformer, 6-8
Focus adjustment, 4-14
Font
density, A-2
RA ~1,
6- 5, 6-
1
2
Frequency, A-1
Functional descriptions
attribute control, 6-12
attribute data latch, 6-3
AUX port, 6-11
beeper driver, 6-3
blink rate generator, 6-3
1-2