Olivetti DF-790 Service Manual page 129

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Connector
Pin
1
YC3
Connected to
2
the DF front
3
cover sw and
DF eject
4
cover sw
1
YC4
2
Connected to
machine
3
4
5
6
7
1
YC5
2
Connected to
machine
3
4
1
YC6
2
Connected to
the mailbox
3
main PWB
4
5
6
7
8
9
10
11
Y113480-7
Signal
24V1
FRONT COV SIG
EJECT COV
SOURCE
EJECT COV SIG
GND
GND
ENG RDY
ENG SEL
ENG CLK
ENG DI
ENG DO
GND
GND
24V1
24V1
GND
GND
GND
5V
24V1
24V1
MT DO
MT DIN
MT CLK
MT SEL
MT RDY
I/O
Voltage
O
24 V DC
I
0/24 V DC
O
24 V DC
I
0/24 V DC
-
-
-
-
O
0/3.3 V DC
I
0/3.3 V DC
I
0/3.3 V DC(pulse) Serial communication clock signal
I
0/3.3 V DC(pulse) Serial communication data signal
O
0/3.3 V DC(pulse) Serial communication data signal
-
-
-
-
I
24 V DC
I
24 V DC
-
-
-
-
-
-
O
5 V DC
O
24 V DC
O
24 V DC
O
0/5 V DC(pulse)
I
0/5 V DC(pulse)
O
0/5 V DC(pulse)
O
0/5 V DC
I
0/5 V DC
2-3-2
3NB/3ND/3N0/3NK
DescrIption
24 V DC power output to DFFCSW
DFFCSW: On/Off
24 V DC power output to DFECSW
DFECSW: On/Off
Ground
Ground
Ready signal
Select signal
input
output
Ground
Ground
24 V DC power input from Machine
24 V DC power input from Machine
Ground
Ground
Ground
5 V DC power output
24 V DC power output
24 V DC power output
Serial communication data signal
output
Serial communication data signal
input
Serial communication clock signal
Select signal
Ready signal
Sevice Manual

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