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COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
II. GENERAL CIRCUIT DIAGRAM (CanoScan FB630U/FB636U)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Vob
NC
AGND
Vcis
Vref
TR
PH1
Vcc
B
G
R
GND
GND
PA+
PA-
PB+
PB-
1
2
3
4
HMSEN
GND
VCC
BTON
1
2
3
4
+5V
D-
D+
GND
M1
J1
J2
J3
CS1
Scanning unit
drive motor
Main PCB
Contact
image sensor
Button PCB