Canon Color Image Reader-F1 Service Manual page 107

ADF Driver PCB 3/5
10 9
MOT_CLK
F
MOT_CWB
CP134
MOT_ENB
check
COVER_SEN 2
IC9
MOT_I0
E
MOT_I1
MOT_I2
3
D
RK-MOT_HP
C
STAMP_SOL
B
PICK_CL
A
REG_CL
10 9
8 7
R137
1 2
CP79
IC8 R118
1 2 4 1
1 2
check
R101
C84
R138
4 1 1
1 2
check check
CP137 CP136
+3.3V
Q3
R23
3
R122
CP115
1
1 2
check
Q2
3
R121
CP114
1
1 2
check
Q1
R45
CP113
1
1 2
check
R49
+5V
+3.3V
R103
1 2
R110
1 2
C41
D6
Q8
3
D4
Q6
3
D5
Q7
3
8 7
6 5 4
+5V
CP23
1
check
R58
CP74
1
Q5
1 2
J10
check
1
FAN 3
J5P
J10
2
J5P
J10
3
J5P
J10
R47
FAN_LOCK
4
1
J5P
C10
J10
5
J5P
J7
1 CP72
RIKAN_SOL
J4P
J7
2
J4P
IC8
J7 IC9
3
J4P
+3.3V
+3.3V
J7
5
5
4 VCC
C85 VCC
3
GND 3
J4P
GND
1
NC1
CP138
6 5 4
3 2
J4
+24V
7
J7P
J4
(B)
6
J7P
J4
(ACOM)
5
J7P
J4
(A)
4
J7P
J4
(/B)
3
J7P
J4
(BCOM)
2
J7P
J4
(/A)
1
J7P
ETH1
1
E
2
C2
FU3
Q4
CP75
1 3
check
D2
+3.3V
R48
2
D3
Q9
1 3
check
C83
3 2
VII
1
F
E
D
1 J8
J3P
2 J8
J3P
C
J8
3
J3P
J6
1
J2P
J6
2
J2P
B
A
1
P.3
VII