Wyse WY-60 Maintenance Manual page 131

INDEX
3
316X-style keyboard
assembly drawing, 7-17
cable removal/replacement,
2-7
PCB removal/replacement,
2-7
removal/replacement, 2-7
schematic, 7-7
A
Adjustments
brightness, 4-14
centering rings, 4-11
display, 4-5
display leveling, 4-11
display magnets, 4-13
focus, 4-14
height, 4-11
linearity, 4-15
locations on terminal
PCB, 4-10
vertical hold, 4-10
width, 4-11
Al ignment
display, 4-5
safety warning, 4-2
tools required, 4-2
Amplifier for video, 6-8
Anode
discharging before
installation, 2-17
discharging before removal,
2-16
Assembly drawings
316X-style keyboard, 7-17
AT-style keyboard, 7-16
terminal PCB, 7-18
terminal PCB (logic), 7-18
WY-60 ASCII keyboard, 7-15
AT-style keyboard
assembly drawing, 7-16
cable removal/replacement,
2-7
PCB removal/replacement, 2-7
removal/replacement, 2-7
schematic, 7-5
Attribute control, 6-12
Attribute data latch, 6-3
Attributes of cursor, A-4
AUX port
functional description, 6-11
test connector, C-1
B
Back-to-back diagnostic
test, 3-4, C-1
Barrel distortion, D-2
Beeper driver, 6-3
Bezel, D-2
Blanking
horizontal, 6-13
vertical, 6-13
Blink rate generator, 6-3
Block diagrams
keyboard, 6-8
monitor/power supply, 6-7
terminal PCB, 6-2
Brightness
adjustment, 4-14
slideswitch, 1-5
C
Cathode ray tube, see CRT
Centering
checking with reticle, D-5
specifications, A-3
Centering ring adjustment,
4-11
Character
and attribute data RAM,
6-5
attributes, A-4
generation, 6-12
Character row buffer data
la tch, 6-5
Chip select decoder, 6-4
Circui ts
isolation jumpers, 3-15
regulating, 6-6
video clock, 6-11
Cleaning; 1-6
I -1