Canon CANOSCAN FB330 series Service Manual page 139

I. GENERAL CIRCUIT DIAGRAM (CanoScan FB330P/FB630P)
CS1
Contact
image sensor
COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
J4
1 VOUT
2 NC
3 AGND
4 VCC
5 VREF
6 SP
7 CLK
8 LED COMMON
9 BLED
10 GLED
11 RLED
12 FGND
13 NC
14 NC
15 NC
16 NC
17 AP
18 AN
19 BP
20 BN
M1
Scanning unit
drive motor
J3
J5
Main PCB
J2
1
2
J3 J5
HSTB PSTB
1 1
IF0
2 2 IF0
IF1
3 3 IF1
IF2
4 4 IF2
IF3
5 5 IF3
IF4
6 6 IF4
IF5
7 IF5
7
IF6
8 8 IF6
IF7
9 9 IF7
10 HACK 10 PACK
11 HXBSY 11 PXBSY
12 HXPERR 12 PSPERR
13 HXSEL 13 PXSEL
14 HATFD 14 PATFD
15 HFALT 15 PFALT
16 HAINTT 16 PAINTT
17 HSELIN 17 PSELIN
18 GND 18
GND
19 GND 19
GND
GND
20 GND 20
+10.5V
GND
21 GND 21
GND
GND
22 GND 22
GND
23 GND 23
GND
24 GND 24
GND
25 GND 25
A - 1