Basic HTML Version
LED List
CPU BOARD
1
81
I
I
B2
I
1
83
I
019 D20 D21
o
0 0
POWER DRIVER BOARD
LED
7 ~
o ~
LED
00
LED 2
3 ~~~~~
LED
6
LED
4
0
o
LED 1
o
CPU Board
D19, Blanking
D20, Diagnostic
D21, +5VDC
At game turn-on, D19 and D21 are on, D20 is off.
During normal operation, D19 is off, D20 is flashing and D21 is on.
Dot Matrix Controller
D10, +5VDC, Normally On
Power Driver Board
LED 1, +12VDC Switch Circuit, Normally On
LED 2, High/Low Line Voltage Sensor, Normally On
LED 3, High/Low Voltage Sensor, Normally Off
LED 4, +5VDC, Digital Circuit, Normally On
LED 5, +20VDC, Flashlamp Circuit, Normally On
LED 6, +18VDC Lamp Circuit, Normally On
LED 7, +12VDC, Power Circuit, (motors, relays, etc.), Normally On
1-43
010
o
DOT MATRIX
CONTROLLER BOARD