SERVICE MANUAL
Rev. 05/2005
P - 26
3-1 CPU BOARD
3 - LOCATION & CONNECTOR PINS DESCRIPTION
Connector
Pin
Signal
X1
1 - 40
Interface board linkage
X2
1 ; 3
Power supply (+24V)
2 ; 4
Power supply (GND)
5
Power supply (+12V)
6
Ground A
7 ; 9
Power
8 ; 10
Ground
X4
1 - 9
Serial linkage connected at a computer
X8
1 - 16
LCD display
X9
1 - 10
Keyboard
Keyboard
X9 connector
(10 pins)
LCD display
X8 connector
(16 pins)
Computer connection
serial linkage
X4 connector
(SUBD 9 pins)
X3 connector
(26 pins)
no connected
X10 connector
(4 pins)
no connected
Power supply
interface board
linkage
X2 connector
(10 pins)
Interface board
linkage
X1 connector
(40 pins)