Olivetti DF-790 Service Manual page 143

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Connector
Pin
YC3
1
Connected to
2
the DF main
3
PWB
4
5
6
7
8
9
10
11
YC4
1
Connected to
3
the mailbox
cover open/
close switch
YC5
1
Connected to
2
the mailbox
3
drive motor
4
Y113480-7
Signal
GND
GND
GND
5V
24V
24V
SDI
SDO
SCLK
SEL
READY
R24V
24V
MOTOR _A
MOTOR A
MOTOR B
MOTOR _B
I/O
Voltage
-
-
-
-
-
-
I
5 V DC
I
24 V DC
I
24 V DC
I
0/5 V DC (pulse)
O
0/5 V DC (pulse)
I
0/5 V DC (pulse)
I
0/5 V DC
O
0/5 V DC
I
24 V DC
O
24 V DC
O
0/24 V DC (pulse) MBDM drive control signal
O
0/24 V DC (pulse) MBDM drive control signal
O
0/24 V DC (pulse) MBDM drive control signal
O
0/24 V DC (pulse) MBDM drive control signal
2-3-16
3NB/3ND/3N0/3NK
DescrIption
Ground
Ground
Ground
5 V DC power input
24 V DC power input
24 V DC power input
Mailbox serial communication data
signal
Mailbox serial communication data
signal
Mailbox clock signal
Mailbox select signal
Mailbox ready signal
24 V DC power input
24 V DC power output
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