Canon Color Image Reader-F1 Service Manual page 105

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ADF Driver PCB
ADF Driver PCB 1/5
10
9
F
E
+3.3V
R55
STAMP_SOL
SET_LED
EMPTY_SEN
COVER_SEN
D
SIZE1_S
SIZE2_S
SIZE3_S
SIZE4_S
EXIT_SEN
RK-MOT_HP
SIZE_L1_SEN
C
SIZE_L2_SEN
A4/LTR_SEN
R50
B
A
10
9
8
7
+3.3V
R35
1
2
R36
1
2
R34
1
2
R30
1
2
R31
1
2
R32
1
2
R33
1
2
+3.3V
L1
CP112
1
2
1
check
1
VDD3-1
2
CAS_IN
3
VDD-1
R2
CP14
1
4
MULTI_PORT[40]
1
2
R3
CP15
check
1
5
MULTI_PORT[41]
1
2
CP2
check
1
6
MULTI_PORT[42]
1
2
CP3
check
1
7
MULTI_PORT[43]
CP4
check
1
8
MULTI_PORT[44]
CP5
check
1
9
MULTI_PORT[45]
R4
CP68
check
1
10
MULTI_PORT[46]
1
2
CP16
check
1
11
MULTI_PORT[47]
CP17
check
1
12
MULTI_PORT[48]
CP18
check
1
13
MULTI_PORT[49]
check
14
SEND_BLK_NUM[0]
15
VSS-1
CP7
1
16
MULTI_PORT[50]
CP8
check
1
17
MULTI_PORT[51]
CP9
check
1
18
MULTI_PORT[52]
R1
CP1
check
1
19
MULTI_PORT[53]
1
2
CP10
check
1
20
MULTI_PORT[54]
CP11
check
1
21
MULTI_PORT[55]
CP12
check
1
22
MULTI_PORT[56]
CP13
check
1
23
MULTI_PORT[57]
1
2
check
24
SEND_BLK_NUM[1]
25
VDD-2
+3.3V
8
7
6
5
4
MOT_I2
R67
RX
1
2
SCLK
+3.3V
TX
R96
CP65
1
1
2
check
C56
1
2
75
VSS-4
74
LOAD_BLK_NUM[0]
CP53
73
MULTI_PORT[31]
CP52
72
MULTI_PORT[30]
CP51
MULTI_PORT[29]
71
CP50
MULTI_PORT[28]
70
CP122
MULTI_PORT[27]
69
CP123
MULTI_PORT[26]
68
CP124
67
MULTI_PORT[25]
CP47
66
MULTI_PORT[24]
IC6
65
VSS3-1
64
VDD-5
CP46
63
MULTI_PORT[23]
CP125
62
MULTI_PORT[22]
CP40
MULTI_PORT[21]
61
CP41
MULTI_PORT[20]
60
CP42
MULTI_PORT[19]
59
CP48
MULTI_PORT[18]
58
CP43
57
MULTI_PORT[17]
CP49
56
MULTI_PORT[16]
CP44
55
MULTI_PORT[15]
CP45
54
MULTI_PORT[14]
53
VDD3-2
CP39
MULTI_PORT[13]
52
VSS-3
51
6
5
4
3
2
+3.3V
C55
1
2
CP128
R41
5
1
1
VDD
CD
check
2
VSS
CP129
CP121
RST
1
4
3
1
VOUT
MR
check
check
C57
IC3
+3.3V
R29
1
1
2
R28
check
1
1
2
R27
check
1
1
2
check
R26
1
1
2
check
R126
1
1
2
check
R127
1
1
2
check
R128
1
1
2
check
R133
1
RK-MOT_FR
1
2
check
R134
RK-MOT_OE
1
1
2
R129
check
1
1
2
check
RK-MOT_VREF
1
check
R53
REG_CL
1
1
2
check
R25
1
1
2
check
R54
PICK_CL
1
1
2
check
R24
1
1
2
check
1
FAN
R44
check
1
1
2
R46
check
1
1
2
check
R135
MOT_CWB
1
1
2
check
3
2
V
1
F
E
D
C
B
A
1
P.1
V

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