Canon Color Image Reader-F1 Service Manual page 108

ADF Driver PCB 4/5
10 9
F
E
RK-MOT_CLK
D
RK-MOT_FR
RK-MOT_OE
R111
C
RK-MOT_VREF
B
A
10 9
8 7 6
IC5
+3.3V
C38
CP73
1 2 1 1 CP2
CP71 check
1 2 CP1
check
3 VCC
C5
CP80
1 2 1 4
VREG5
check
5
ATT2
6
ATT1
CP81
1 7
NC1
CP76
check
1 8
EMO
CP83
check
1 9
CEM
check
10 EMM
R86
CP84
1 11 RCHOP
1 2
CP85 check
1 12 MONI
check
13 RST
CP97
1 14
STP/DC22
CP131 check
1 15
FR/DC21
check
16
MD2/DC12
CP86
1 17
NC2
check
18
MD1/DC11
19 DM
CP132
1 20 OE
check
21 ST
CP6
1 22 VREF
check
C11
+3.3V
CP133
Q10
3
CP119
R124
R123
R83
C39
8 7 6
5 4
+24V
R132
CP98
1
1 2
check
VM 44
C23
CP94
VG 43 1 1 2
check
PGND 42
CP93
41 1
NC10
check
40
GND3
CP92
39 1
NC9
CP91
check
38 1
NC8
check
37
OUT1A
36
VM1
R82
RF1 35
1 2
OUT1B 34
OUT2A 33
VM2 32
R78
31
RF2
1 2
30
OUT2B
CP90
29 1
NC7
CP95
check
28 1
NC6
check
27
GND2
CP89
NC5 26 1
CP88 check
NC4 25 1
CP87 check
NC3 24 1
check
GND1 23
C81
C4
5 4
3 2 1
J14
1
(A)
J5P
J14
2
(/A)
J5P
J14
3 (B)
J5P
J14
(/B)
4
J5P
J14
5
J5P
3 2 1
VIII
F
E
D
C
B
A
P.4
VIII