Service manual

A - 14
COPYRIGHT © 2001 CANON INC. CANOSCAN D1230U/D2400U REV.0 MARCH 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
C51
R31
C52 C53 C54
R29
R27
C59
U9
OUT1A
1
OUT2A
2
SENSE2
3
COMP_IN2
4
OUT2B
5
GND
6
GND
7
I02
8
17
GND
18
GND
19
I01
20
OUT1B
21
JP8
1 2 3 4
MOTORGND
MOTORGND
MOTORGND
I02
C65
R32
I12
9
PHASE2
10
VREF2
11
RC1
14
VREF1
15
PHASE1
16
I11
COMP_IN1
22
SENSE1
23
LOADSUPPLY
24
RC2
12
LOGICSUPPLY
13
R39 C63
C66
C62
MOTORGND
DGND
DGND
VCC
MOTORGND
I11 I01
PHASE1
I12
PHASE2
C55
+
R34
C56
R35
C61
+
ER4
ER5
R28
ER6
R30
C58
R33
C60
C57
EL11
+12VM
MOTORGND
DGND
+12V
DGND
C64
Q9 R40
R38
R36
DGND
DGND
R37
R41
Q10
DGND
DGND
DGND
Y1
Y2