Riso GR 3770 - Page 74

DESCRIPTION OF PCBs
SYSTEM PCB2
GR3770 APX(II)-6
GND1
LOW when pressed
GND1
LOW when pressed
Load P/M (A pulse)
Load P/M (Com. A pulse)
Load P/M (B pulse)
Load P/M (Rev. A pulse)
Load P/M (Com. B pulse)
Load P/M (Rev. B pulse)
+5V
LOW when blocked
GND1
LOW in operation
+24V
GND1
LOW when pressed
+24V with pressure
+24V without pressure
GND1
LOW when pressed
GND1
HIGH when opened
GND1
HIGH when opened
+5V
GND1
HIGH when blocked
+5V
CN7
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
Bl
Vt
Gy
Wh
96pins
A1
B1
C1
A2
B2
C2
A3
B3
C3
A4
B4
C4
A5
B5
C5
A6
B6
C6
A7
B7
C7
A8
B8
C8
A9
B9
C9
A10
B10
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
1
2
Bk
Bk
Br
Bk
Rd
Or
Wh
Yw
Bl
Rd
Wh
Yw
Gy
Wh
Bk
Br
Rd
Or
Yw
Gr
Bl
Vt
Gy
Wh
M
Thermal pressure motor
2
1
Rd
Bl
Bk
Wh
Or
Bk
Wh
Or
SW
SW
SEN
SEN
TPH home position switch
TPH pressure switch
Master positioning sensor
Master End sensor (rcv.)
SW
M
SEN
M
SW
SW
Master loading button
Scanner table set switch
Loading pulse motor
Pressure det. sensor
Cutter motor
Cutter motor switch
When opening +24V
When closing +24V
GND1
LOW when pressed
LOW in operation
+24V
GND1
LOW when magnet detected
LOW when magnet detected
+5V
+5V
LOW when blocked
GND1
+5V
LOW when blocked
GND1
GND1
LOW when blocked
+5V
GND1
LOW when blocked
+5V
Bk
Br
Rd
Or
Yw
Gr
Bl
Vt
Gy
Wh
Bk
Br
Rd
Or
Yw
Gr
Bl
Vt
Gy
Wh
Bk
Br
C10
A11
B11
C11
A12
B12
C12
A13
B13
C13
A14
B14
C14
A15
B15
C15
A16
B16
C16
A17
B17
C17
2
1
Rd
Bl
Bk
Bk
Bk
Gy
Wh
Or
Bk
Wh
Or
Bk
Gy
Or
M
SEN
SW
Clamp motor
Clamp safety switch
Angular sensor
Vertical centering sensor
Paper feed clutch sensor
SEN
SEN
SEN
SEN
0
180