Wyse WY-60 Maintenance Manual page 134

Keyboard (continued)
interface, 6-5, 6-11
removal/replacement for
316X-style, 2-7
removal/replacement for
AT-style, 2-7
removal/replacement for
WY-60 ASCII, 2-4
WY-60 ASCII assembly
drawing, 7-15
WY-60 ASCII layout, 2-3
WY-60 ASCII schematic, 7-3
Keyboard cable removal and
replacement
316X-style, 2-7
AT-style, 2-7
WY-60 ASCII, 2-5
Keyboard PCB
component layout diagram,
5-16, 5-18, 5-20
components list, 5-4
removal/replacement for
316X-style, 2-7
removal/replacement for
AT-style, 2-7
removal/replacement for
WY-60 ASCII, 2-6
L
Latch
attribute data, 6-3
character row buffer data,
6-5
low order address, 6-4
Level converters
EIA to TTL, 6-5
TTL to EIA, 6-5
Line attributes, A-4
Line fil ter, 6-6
Linearity
adjustment, 4-15
checking with reticle, D-5
definition, D-2
horizontal, A-3
vertical, A-3
Logic schematic
terminal PCB, 7-9, 7-11
Low order address latch, 6-4
H
Main switching power
t
ran s form e r, 6 - 6
Measurement direction, A-3
Memory
display, 6-11
nonvolatile, 6-5, 6-11
pages, A-2
terminal, 1-2
Microcontroller
8051, 6-3
definition, 1-2
functional description,
6-9
Modern, B-2
MODEM port
functional description,
6-10
test connector, C-1
Modulator, pulse width,
6-6
Monitor/power supply
schematic, 7-13
N
Nonvolatile memory, 6-5,
6 -11
o
Operating requirements, A-1
Operator interfaces
brightness slideswitch,
1-5
keyboard, 1-5
power swi tch, 1-5
setup parameters, 1-5
Oscillator
dot clock, 6-5
p
Parts, 5-1
Pin assignments, B-1
Pincushion
check with reticle, D-4
distortion, D-2
Ports
8051 assignments, 6-9
AUX, 6-11
MODEM, 6-10
pin assignments, B-1
Power
cord, 3-13
requirements, A-1
switch, 1-5
Power on self-test, 3-3
1-4