Canon Color Image Reader-F1 Service Manual page 106

ADF Driver PCB 2/5
10 9
J5
19
J19P
F
J5
18
J19P
C58
3
J5
17
J19P
J5
16
J19P
E
J5
15
J19P
C74
3
J5
14
J19P
D
J5
13
J19P
C75
J5
12
J19P
C
J5
11
J19P
C76
3
J5
10
J19P
C77
B
J5
9
J19P
C78
3
J5
8
A
J19P
10 9
8 7
+3.3V
R42
IC2
CP66
R125
CP67
1 1 2
1 2
check
C70
+3.3V
D7
IC7
R66 CP77
CP101
1 5 3
1 2
check
+3.3V
D8
IC7
CP70
R64
CP99
1 1 7
1 2
check
R52
C59
+3.3V
D9
IC7
CP102
R69
CP103
1 6 2
1 2
check
R68 C60
+3.3V
R72
IC2
CP126
R74
CP104
1 3 4
1 2
check
C61
+3.3V
R105
IC2
CP127
R85
CP105
1 5 6
1 2
check
C63
+3.3V
R107
IC2
CP110
R106
CP106
1 9 8
1 2
check
C65
ESD
8 7
6 5
J5
R108
ESD 7
1 2
J19P
R90
J5
R109
RST
1
1 2 6
1 2
check
J19P
C73
J5
R119
5
1 2
J19P
3
RX
1
check J5
4
J19P
J5
3
J19P
R65
1 TX
1 2
check
C54
FU1
J5
2 1
R71
J19P
1 SCLK
1 2
check
C53
J5
1
J19P
R84
1 MOT_CLK
1 2
check
C62
R131
J9
1
1
J2P
R102
1 RK-MOT_CLK
1 2
check
C64
J9
2
J2P
R51
1 RIKAN_SOL +3.3V
1 2
check
R130 IC2 IC7
14
VCC
7
GND
6 5
4 3 2
CP107
1
Q13
check
CP116
3
check
CP78
1
Q14
check
CP108
3
check
R120
1 2
C66 C67
D1
1 2
IC1
+5V
CP117
R94
2 1 1 5
CONT VIN
1 2
check
2
GND
CP69
1 3 4
NOISE
check VOUT
C50
+3.3V
+24V
R40
ZD1
CP120
CP109 Q12
1 1 3
2
1 2
check check
+3.3V
8
VCC
4
GND
4 3 2
VI
1
1 REG_SEN
F
RD_SEN
1
TRAY_VOL
E
D
+3.3V
NF1
1 3 1
N F
check
CP130
C
24V_DOWN
B
A
1
P.2
VI