Canon CANOSCAN FB330 series Service Manual page 153

R10
VPI R17
+ C3
C6
VCIS
C84 R90
12
C85
R74 13
C73
TR
PH1
VCIS
VCIS
VCIS
COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
VPI
1.2
U2
8 1
D/C S/C
7 2
IPK/2 OUT
6 3
VIN T/C
D1
5 4
C/1 GND
C11
R26 R1
+ C1 +
R2
R18
U12D
VEE
+
R88
14
VCIS
+
-
C87 C90
C83
R67
VCC
R72
R64
VCIS
VOB
VCC
R83
C89
U12A
VEE
R73
3
+
R85
1
R69 2
-
VCC
VCIS
U12B
VEE
R76
5
+
R86
7
R70 6
-
VCC
VCIS
U12C
VEE
R77
10
+
R87
8
R75 9
-
VCC
VCIS
VCC
R12
+
C7 C8 C9
Q3
R71
2 3
VIN VOUT
+
C2 C10 C24 C22
R66
R82
J3
1
2
3
4 SENA
5
C49
6
7
8
9
10
11
12
13
PA+
14
PA-
15
PB+
16
PB-
17 SENB
C52
CQ13
B
R79
E
CQ12
B
REN
E
HMSEN
CQ14
B
R80
E
CQ10
B
GEN
E
CQ15
B
R81
E
CQ11
B
BEN
E
VCIS
C81
VPI
R46
C30 +
U9
1 10
VCC OUT4
2 9
IN4 OUT3
3 8 (A+) R59 PA+
IN3 OUT1
MA+ 4 7 (A-) R55 PA-
MA+ IN1 OUT2
MA- 5 6
MA- IN2 GND
R41 R54
U11
1 10 (B-) R58 PB-
VCC OUT4
MB- 2 9 (B+) R62 PB+
MB- IN4 OUT3
MB+ 3 8
MB+ IN3 OUT1
4 7
IN1 OUT2
5 6
IN2 GND
R53 R57
VCC
C88
R78
VCC
R84
HMSEN
J2
1
2
3
4
+5VD
R89
R68 D2
C82
(BUTTON)
(3/3)
GP103
A - 15