Riso GR 3770 - Page 75

DESCRIPTION OF PCBs
SYSTEM PCB2
GR3770APX(II)-7
GND1
HIGH in master det.
+5V
GND1
LOW when pressed
LOW in operation
+24V
N.C.
LOW in operation
+24V
LOW in operation
+24V
GND1
+5V
GND1
LOW when blocked
+5V
GND1
LOW in master det.
+5V
GND1
HIGH when pressed
LOW in operation
+24V
LOW in operation
+24V
GND1
LOW when pressed
+5V
LOW when blocked
GND1
+5V
HIGH in master det.
GND1
Rd
Or
Yw
Gr
Bl
Vt
Gy
Bk
Br
Rd
Or
Yw
Gr
Bl
Vt
Gy
Wh
Bk
Br
Rd
Or
Yw
Gr
Bl
Vt
Gy
Wh
Bk
Br
Rd
Or
Yw
Gr
A18
B18
C18
A19
B19
C19
A20
B20
C20
A21
B21
C21
A22
B22
C22
A23
B23
C23
A24
B24
C24
A25
B25
C25
A26
B26
C26
A27
B27
C27
A28
B28
C28
A29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
2
Bk
Wh
Or
Br
Br
Bk
Rd
Bl
Rd
Bl
Rd
Yw
Gr
Bl
Vt
Gy
Wh
Bk
Br
Rd
Or
Yw
Gr
Bl
Vt
Gy
Wh
Bk
Br
Rd
Or
Yw
Gr
Mster loading sensor
1
2
1
2
Wh
Or
Bk
Wh
Or
Bk
Wh
Or
Bl
Rd
Br
Rd
Bk
Bk
SW
M
S
SEN
Disposal box set switch
(Normal close)
M. R. V. T. motor
Master removal hook sensor
SEN
F
SEN
SW
Master end sensor/Master
det. sensor (send)
Master loading unit switch
Separation fan 2
(Drive mechanism side)
Loading fan
Separation fan 1
(Opeartion panel side)
Master removal sensor
(rcv.)
+5v
GND1
+24VA
LOW in operation
+24VA
LOW in operation
LOW in operation
+24VC
N.C.
N.C.
GND2
Bl
Vt
Gy
Wh
Bk
Br
Rd
Or
Yw
Gr
Bl
B29
C29
A30
B30
C30
A31
B31
C31
A32
B32
C32
1
2
3
4
5
6
7
8
F
SEN
F
Master removal fan 1
Disposal box master sensor
(send)
Master removal fan 2
CN7
96pins
1
2
1
2
3
Rd
Yw
Bk
SEN Disposal box master sensor
(rcv.)
SW
Feed tray down button
(Normal open)
SEN
Master removal sensor
(send)
SEN
F
F
Rd
Bk
Rd
Bk
Bk
Bk
1
2
3
4
5
6
7
8