Service manual

FO-IS125N
6 – 7
7. Scanner I/F Block (6/12)
(1-1D)
(1-3G)
(1-3G)
(1-3G)
(1-1D)
(1-1D) (1-1D)
(1-1D)
(1-6E,2-1G,5-5A)
A A
B B
C C
D D
E E
F F
G G
H H
6 6 5 5 4 4 3 3 2 2 1 1
DG
CISVDD
VG VG
DG
CISVDD
+3.3V
VG
DG VG
VG
DG
DG
DG
+24V
CISVDD
+24V
MG
MG
MG
MG
MG
MG
+3.3V
MG
MG
MG
+3.3V
DG
MG
+3.3V
+3.3V
MG
MG
MG
CIS_SP
CIS_CLK
CIS_AIN
CIS_LED
nMANRES
MS1 MS2
TMSTEP
nTMEN
for ROHM CIS
0.71V 1.43V
Entry to CHECKER-mode
MS1/MS2
L / L Full H / L Half L / H Quarter H / H Eighth
C605
N.M. (1608)
R602
10 (1608)
5
18
7
6
2
3
4
BR600
10Kx4
C603
N.M.
R600 10
D600 HZU6.2B2
TP609
TP613
C609 1000p
R620
30K
R612
N.M. (1608)
R605 10K
TP610
C602
0.1u
R604 10K
B
CE
Q600
2SC2712GR
C619 N.M.
MA+
1
MB+
2
MA-
3
MB-
4
1 2 3 4
CNTXM
A2001WV2-4PE
C611 0.01u/50V (1608)
VBB1
20
OUT1B
21
OUT2B
4
VBB2
5
SENSE2
8
REF
1
SENSE1
17
STEP
10
PGND
6
OUT1A
16
OUT2A
9
VCC
14
MS2
13
SLEEP
3
RC2
2
ENABLE
15
PGND
7
RC1
23
DIR
11
PGND
19
PGND
18
MS1
12
RESET
22
PFD
24
IC600
A3967SLB
C610 N.M.
TP605
R617
3.3K
TP604
TP607
R618
0.22 (2012)
TP612
TP606
R601 N.M.
R607 0 (1608)
R614
12K
TP602
C616
680p
TP600
R610 1K
C615
680p
TP611
C612 0.01u/50V (1608)
R615 13K
C618
0.1u
R609
0 (1608)
AO
1
GND
2
VDD
3
SI
4
CLK
5
GLED
6
VLED
7
CNCIS
CNCIS
A2001WV2-7PE
TP608
C613 0.01u/50V (1608)
TP601
R621 33
R603 10
R616 10K
C617
10u (2012)
R611
10K
C600
N.M.
TP603
+
C601
100u/25V
C604
N.M.
R619
30K
R606 N.M. (1608)
R613
0.22 (2012)
C607 N.M.
C614 0.01u/50V (1608)
L600 0
12
F600
KAB3202 801 NA29
R608
N.M. (220 (2W))
C606
N.M.
C608
0.1u/50V (1608)
Scanner I/F Block
6/12
SCANNER MOTOR DRIVER