Olivetti DF-790, Service Manual

Page: 130 / 155

3NB/3ND/3N0/3NK
2-3-3
YC7
1
5V
O 5 V DC
5 V DC power output
Connected to
the punch
PWB
2
3.3V
O 3.3 V DC
3.3 V DC power output
3
3.3V
O 3.3 V DC
3.3 V DC power output
4
GND
- -
Ground
5
GND
- -
Ground
6
PHPES REM
I 0/3.3 V DC
PUPES: On/Off
7
PHMOT REM
O 0/3.3 V DC
PUM: On/Off
8
PU RDY
I 0/3.3 V DC
Ready signal
9
PU SEL
O 0/3.3 V DC
Select signal
10
PU CLK
O 0/3.3 V DC
Clock signal
11
PU DI
I 0/3.3 V DC
Serial communication data signal
input
12
PU DO
O 0/3.3 V DC
Serial communication data signal
output
YC8
1
GND
- -
Ground
Connected to
the punch
PWB
2
24V2
O 24 V DC
24 V DC power output
YC9
1
BF DO
O 0/3.3 V DC
Serial communication data signal
output
Connected to
the CF main
PWB
2
BF DI
I 0/3.3 V DC
Serial communication data signal
input
3
BF CLK
O 0/3.3 V DC
Clock signal
4
BF SEL
O 0/3.3 V DC
Select signal
5
BF RDY
I 0/3.3 V DC
Ready signal
YC10
1
3.3V
O 3.3 V DC
3.3 V DC power output
Connected to
the CF main
PWB
2
GND
- -
Ground
3
GND
- -
Ground
4
5V
O 5 V DC
5 V DC power output
5
GND
- -
Ground
6
GND
- -
Ground
7
24V2
O 24 V DC
24 V DC power output
8
24V2
O 24 V DC
24 V DC power output
Connector Pin Signal I/O Voltage DescrIption
Service Manual Y113480-7