Riso GR 3770 - ADF PCB

DESCRIPTION OF PCBs
ADF PCB
APX(II)-17 GR3770
7. ADF PCB
To ADF read pulse
motor
1 6
VR
VR1 : For sensitivity adjustment of Original IN sensor (receive)
CN6
1 2 2
1
CN4
2 1
Shading solenoid
CN1
CN2
CN3
CN5
CN7
CN8
CN9
CN10
CN11
2 1 2 11 2
20
19
1
3
1
3
1
3
1
3
D6
IN
VR1
TP2 TP1
GND IN
To Original feed
solenoid
To ADF motor
To Original IN
sensor (rcv.)
To ADF cover
switch
To FBI PCB
To Original OUT
sensor
To Original regist.
sensor
To Original det.
sensor
To Original IN
sensor (send)
LED
D6(IN) : The light path of the Original IN sensor is blocked
- When LED is ON -
TP
TP1 (IN) : For sensitivity adjustment of Original IN sensor
TP2 (GND) : For sensitivity adjustment of Original IN sensor