Casio MP-2000 Service Manual page 33

COM2:Pin 9
Normal COM/RS232
Normal COM/RS422
Normal COM/RS485
+5V
+12V
+24V
COM3:Pin 1
Normal COM
+5V
+12V
+24V
COM3:Pin 9
Normal COM
+5V
+12V
+24V
COM4:Pin 1
Normal COM
+5V
+12V
+24V
COM4:Pin 9
Normal COM
+5V
+12V
+24V
9. CPU Hardware Reset/Turbo Switch/Turbo LED/IDE LED connector: JP3
Pin Description Pin
1 H/W Reset
3 TUBSW
5 TUBLED(-)
7 IDE LED(-)
SBC8352
JP15 JP16
8-10* (3-5,4-6,9-11,10-12)* 5-6*
8-10 (1-3,2-4,7-9,8-10)
8-10 (1-3,2-4,7-9,8-10)
2-4 (3-5,4-6,9-11,10-12)
4-6 (3-5,4-6,9-11,10-12)
x (3-5,4-6,9-11,10-12)
SBC8352
JP18 JP1
7-9* 1-2*
1-3 1-2
3-5 1-2
X 1-2
SBC8352
JP18 JP1
8-10* 1-2*
2-4 1-2
4-6 1-2
X 1-2
SBC8352
JP17 JP1
7-9* 1-2*
1-3 1-2
3-5 1-2
X 1-2
SBC8352
JP17 JP1
8-10* 1-2*
2-4 1-2
4-6 1-2
x 1-2
Description
2 GND
4 GND
6 TUBLED(+)
8 IDE LED(+)
— 32 —
JP19 JP1
1-2*
3-4 1-2
1-2 1-2
5-6 1-2
5-6 1-2
5-6 1-2
MTIO
JP3 JP6
1-2* 3-5*
1-2 3-5
1-2 3-5
1-2 1-3
MTIO
JP3 JP6
1-2* 4-6*
1-2 4-6
1-2 4-6
1-2 2-4
MTIO
JP3 JP7
1-2* 3-5*
1-2 3-5
1-2 3-5
1-2 1-3
MTIO
JP3 JP7
1-2* 4-6*
1-2 4-6
1-2 4-6
1-2 2-4
MTIO
JP3 JP5
1-2* 4-6*
1-2 4-6
1-2 4-6
1-2 4-6
1-2 4-6
1-2 2-4