Canon canoscan d660u Service Manual
A - 2
COPYRIGHT ©
2000 CANON INC. CANOSCAN D660U REV.0 JULY 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)
TR
RS
PH1
C58
(VIA
T
O
GND PLANE HERE)
C72
C5
C6
Q4
R30
R25
R15
C68
R45
R40
C76
F1
J4
1
3
2
(+V
olt)
1
2
E
Q3
C
Q1
Q2
C
E
4
3
D3
L4
+12V
+12V
TP1
GND
VCC
+12V
C75
C78
C73
C77
Q7
I
13
G
2
C74
VCC
(VIA
T
O
VCC PLANE HERE)
(MO
T
OR GND LA
Y
TRA
CK)
(+12V GND LA
Y
TRA
CK)
VCC
+12V
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
1
2
3
4
5
F
.G.
F
.G.
F
.G.
VO
R
VO
G
VO
B
HMSEN
[2]
[3]
[3]
[3]
[1]
SEN
A
SENB
[2]
[2]
[2]
D-
D+
L1
L2
LAMPO
[1]
R20
R12
R1
1
B
E
C
B
FLA
TINV
MISC5
Q6
Q5
C
E
R27
R31
R35
B
E
C
B
F
A
UINV
MISC6
C49
C50
D2
D1
C42
C31
C44
C43
C27
C17
C21
C19
C33
C37
C45
C63
C53
(INV GND LA
Y
TRA
CK)
C70
C71
C59
R26
R17
R16
R22
R14
C24
R2
R6
J3
1
2
3
4
J1
F
A
U
Button
F
A
U
Dect
MB+
MB-
MA-
[2]
PH2
VA
R
O
S
CLP
C52
C4
C2
L5
3.3V
R8
R3
Flat Button
J5
C66
1
2
3
4
R44
MB+
[2]
[2]
[2]
J2
II. MAIN PCB CIRCUIT DIAGRAM
( 1 / 2 )