Punch Unit Pwb - Olivetti DF-790 Service Manual

2-3-5 Punch unit PWB

Connector Pin
YC1 1
2
Connected to
the machine
3
4
5
6
7
8
9
10
11
12
1
YC2
Connected to 2
the machine
Service Manual
11
YC5
YC10
1 4
5
Figure 2-3-5 Punch unit PWB silk-screen diagram
Signal I/O
PH_SDI I
PH_SDO O
PH_CLK I
PH_SEL I
PH_RDY O
PHMOT_REQ I
PHPES_REQ O
GND -
GND -
3.3V I
3.3V I
5.0V I
GND -
24V2 I
4
1
YC3
1 3
YC4
YC11
1
Voltage
0/3.3V DC(pulse) Serial communication data signal input
0/3.3V DC(pulse) Serial communication data signal output
0/3.3V DC(pulse) Serial communication clock signal
0/3.3V DC Select signal from the machine
0/3.3V DC Ready signal to the machine
0/3.3V DC PUM: On/Off
0/3.3V DC PUPES: On/Off
- Ground
- Ground
3.3V DC 3.3 V DC power input from machine
3.3V DC 3.3 V DC power input from machine
5V DC 3.3 V DC power input from machine
- Ground
24V DC 24 V DC power input from machine
2-3-19
3NB/3ND/3N0/3NK
1
Description
Y113480-7