3NG
2-3-3
YC6
18
FDD_SW
I
0/3.3 V DC
SDDSW: On/Off
19
N.C
-
-
Not used
YC8
1
OUT2
O
0/24 V DC(pulse) SDLM2 drive control signal
Connected to
the SD lift
motor.
2
OUT1
O
0/24 V DC(pulse) SDLM2 drive control signal
YC11
1
GND
-
-
Ground
Connected to
the engine
PWB.
2
GND
-
-
Ground
3
24V2
I
24 V DC
24 V DC power input from machine
4
24V2
I
24 V DC
24 V DC power input from machine
YC13
1
ENG_SDO
O
0/3.3 V DC
(pulse)
Serial communication data signal
Connected to
the engine
PWB.
2
ENG_SDI
I
0/3.3 V DC
(pulse)
Serial communication data signal
3
ENG_CLK
I
0/3.3 V DC
(pulse)
Clock signal
4
ENG_SEL
I
0/3.3 V DC
Select signal
5
ENG_RDY
O
0/3.3 V DC
Ready signal
6
ENG_PAU
I
0/3.3 V DC
Posed signal
7
DEC_OPN1
O
0/3.3 V DC
Deck open/close signal output
8
N.C
-
-
Not used
9
+3.3V2
I
3.3 V DC
3.3 V DC power input from machine
10
GND
-
-
Ground
YC15
1
PFCL
O
0/24 V DC
SDPFCL: On/Off
Connected to
the SD paper
feed clutch,
SD paper
conveying
clutch.
2
24V1
O
24 V DC
24 V DC power output to SDPFCL
3
PCCL
O
0/24 V DC
SDPCCL: On/Off
4
24V1
O
24 V DC
24 V DC power output to SDDPCCL
5
RESERVE
6
24V1
7
RESERVE
8
24V1
YC16
1
CW/CCW
O
0/24 V DC
SDPFM Normal rotation/reversing sig-
nal
Connected to
the SD paper
feed motor.
2
RDY
I
0/24 V DC
SDPFM ready signal
3
CLK
O
0/24 V DC(pulse) SDPFM clock signal
4
REM
O
0/24 V DC
SDPFM remote signal
5
GND
-
-
Ground
6
24[V]
O
24 V DC
24 V DC power output to SDPFM
Connector
Pin
Signal
I/O
Voltage
Description
Summary of Contents for Utax PF 770
Page 1: ...Service Manual 3DSHU HHGHU 3 5HY Date 0 20 1 60 ...
Page 2: ...Service Manual 3DSHU HHGHU 3 5HY Date 0 20 1 60 ...
Page 4: ...Revision history Revision Date Replaced pages Remarks 1 6 April 2011 CONTENTS 2 4 1 to 2 4 3 ...
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Page 16: ...3NG 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path ...
Page 17: ...3NG 1 1 4 This page is intentionally left blank ...
Page 69: ...3NG 1 5 12 This page is intentionally left blank ...
Page 77: ...3NG 2 3 4 This page is intentionally left blank ...