Epson MX-80 Technical Manual page 17

(2) Connector CN2
(a) Use
(b) Number of pins
(c) Pin assignment
This connector is used to supply the required AC
voltages to the control circuit board.
8 pins
Refer to Table 2.2 below
Table 2.2 Pin Assignment of CN2
Pin No.
Signal Name Color of Lead
Purpose
1
+12V AC
Gray
For optional interfaces
2
-P 12V AC
Gray
3
-f 25V AC
Orange
For stepper motor
4
-1-25V AC
Orange
5
+ 9V AC
Red
For logic circuitry
6
-I-9V AC
Red
7
-1- lOV AC
Blue
For stepper motor
8
-t- 10V AC
Blue
REV. A
2-4