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COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
V. MAIN PCB CIRCUIT DIAGRAM (CanoScan FB630U/FB636U)
OS
R
OS
G
OS
B
VBANDGAP
VREF
LO
FORCE
VREF
LO
SENSE
VREF
MID
FORCE
VREF
MID
SENSE
VREF
HI
FORCE
VREF
HI
SENSE
LAMP
R
LAMP
G
LAMP
B
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
1
2
3
4
5
8
9
10
11
12
13
14
15
16
17
18
21
22
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
4
3
2
1
5
6
7
8
4
3
2
1
5
6
7
8
4
3
2
1
4
3
2
1
5
6
7
8
5
6
7
8
12
11
10
9
8
7
6
5
27
26
23
25
4
28
3
31
2
RA4
RA5
RA3
RA7
U8
R63
VCC
GND
16
E2
R31
WE
G
E1
13
14
15
17
18
19
20
21
32
30
23
24
25
26
27
28
29
30
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
29
24
22
[A0..A16]
VCC
C65
33
34
RD
WR
VCC
C31
C55
C50
C44
C51
C54
R65
C43
C48
C63
C60
C74
VCIS
VCC
C78
C80
C86
C71
6
19
44
69
VD
I/O
VD
I/O
VD
I/O
VD
I/O
VD
DGND
VD
INT
SRAM
DGND
INT
SRAM
VA
A
GND
VA
A
GND
SUBSTRA
TE
BIAS
TEST
DGND
I/O
DGND
I/O
DGND
I/O
DGND
I/O
7
20
45
70
80
81
92
93
71
55
76
31
32
59
60
72
73
74
75
77
78
79
1
2
3
4
8
7
6
5
C64 C66 C72 C79
RA6
SENA
SENB
MA+
MA-
MB+
MB-
HMSEN
C53
R48
R56
R52
VCC
(MOTOR GND)
CKO
R51
R50
R49
R47
C45
61
62
63
64
57
58
53
52
51
50
49
48
47
46
43
42
41
40
39
38
37
36
35
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
BUSY
-SLIN
-INIT
-AUFD
-STB
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
54
56
68
A
A
B
B
SENSE A
SENSE B
SENSE GND
PSENSE#1
PSENSE#2
MISCI/0#1
MISCI/0#2
CLOCK IN
CLOCK OUT
SELECT
PE
BUSY
ACT
D7
D6
D5
D4
D3
SELECT IN
D2
INIT
D1
ERROR
DO
AUTOFEED
STROBE
TRISTATE
LATCH
CMODE
VOB
TR
PH1
VOS
TP3
VIS
TP1
TP4
TP2
TP
TR
R61
C77
C56
C59
R60
C76
C75
C70
C62
C69
C61
C68
C58
C67
C57
REN
GEN
BEN
100
99
98
97
96
95
94
85
88
91
82
83
84
86
87
89
90
65
66
67
CP2
CP1
RS
iÍ2
iÍ1
TR2
TR1
U10
VCC
VCIS
(1/3)
Содержание CanoScan FB 630P
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Страница 128: ...6 6 COPYRIGHT 1999 CANON INC CANOSCAN FB330 FB630 SERIES REV 0 OCT 1999 PRINTED IN JAPAN IMPRIME AU JAPON ...
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