Canon CANOSCAN FB330 series Service Manual page 141

III. MAIN PCB CIRCUIT DIAGRAM (CanoScan FB330P)
J2
(+Volt)
1
3
2
COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
L1
1 3
2 4
S1
C5
Q2
1
I
C7
Q1
1 3
I O
C6
U1
2
PHAP IN1 OUT1
6
PHAN IN2 OUT2
13
PHBP IN3 OUT3
9
PHBN
IN4 OUT4
8
VCONT VCC
4
VS1
11
VS2
VCC
FBI
3
O
+
C8
C10
+5M
3
AP
5
AN
12
BP
10
BN
1
7 C14
GND
14
GND
+
(1/5)
-+5R
+
C49
C15
A - 3