Read Sharp AM-400 (serv.man4) Service Manual online
AM-400DE
6 – 5
5. Scanner & Printer I/F Block (4/10)
Scanner
&
Printer
I/F
Block
4/10
NOTE:
This
mark
indicates
a
safety-critical
part(s).
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
6
6
5
5
4
4
3
3
2
2
1
1
/SCNMTA
SCNMTB
/SCNMTB
SCNMTA
DG
+3.3V
DG
DG
DG
DG
DG
DG
DG
+5V
DG
DG
+5V
+3.3V
DG
DG
+3.3V
+3.3V
+3.3V
+3.3V
+3.3VR
CISVDD
DG
MG
DG
DG
MG
+5V
+5V
+24V
MG
DG
+5V
+5V
DG
DG
MG
DG
DG
MG
DG
DG
+5V
DG
AG
DG
DG
DG
DG
DG
DG
DG
DG
CIS
VDD
AG
DG
AG
DG
CISVDD
AG
AG
DG
DG
DG
CISLEDV
DG
DG
CISLEDV
CISLEDV
+24V
DG
DG
DG
+V5
DG
CISVDD
AG
CISVDD
AG
CISVDD
DG
DG
AG
/DSRDY
/CPRDY
PD
ATA
/SCLK
/CMD
/DPAGE
PCURESET
/CIS_HOME
/ADF_READ_DOC
/ADF_SET_DOC
/MDPAGE
/MCPRDY
/MSCLK
/MDSRDY
MPDATA
/MCMD
/MPCURES
/MSTS
/MSYNC
/MVSYNC
/ST
S
/SYN
C
/V
SYN
C
CISSP
CISCLK
CISCL
K
O
C
ISSPO
CRNT1
CRNT0
SCAN_PH1
SCAN_I01 SCAN_I11
SCAN_I12
LEDON
SCAN_PH2
SCAN_I02
VLED
GLEDR
GLEDG
CISBLED
CISRLED
CISGLED
GLEDB
CISSPO
GLEDR
CISCLKO
GLEDG
GLEDB
CISAIN
CISVON
R171
100
R169
100
12
F8
KAB5002
201
NA29010
R404
100K
R445 1K
L6
MMZ1005Y102C
R163
N.M.
B
C
E
Q32
2SA1530A
B
E
C
Q34
RT1N436C
VmmA
2
Out1
3
RsA
5
Out2
7
Out3
8
N.C.
6
RsB
10
N.C.
4
Out4
12
VmmB
13
N.C.
1
Vcc
15
PHASEB
16
I0B
17
I1B
18
VsB
19
VrefB
20
CR
21
LG
22
VrefA
23
VsA
24
I1
A
25
I0A
26
PHASEA
27
Vcc
28
TAB
TAB
N.C.
14
N.C.
11
N.C.
9
IC12
MTD2007F
R429
33
R149
N.M.
B
C
E
Q31
2SC2412K
TP25
TP16
C116 4700P
C114 1000P
R164
N.M.
GND
2
/HOME
1
CNHPS
CNHPS
A2001WV2-2P
R456
N.M.
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
IC14
74LV244A
C273 0.1U
C285
0.1U
(1608)
BC
Q6
RT1N436C
E
12
F3
KAB3202
202
NA29
C284
0.1U
(1608)
+
C283 N.M.
GND
2
/ORGSNS
1
CNORG
CNORG
B2B-PH-K-M
R137 4.7K
TP29
R150
N.M.
B
C
E
Q29
2SC2412K
R166
100
C268 0.1U
TP27
TP21
C127 0.1U
R167
100
R142
100
R436 1K
R152 4.7K
R396 N.M.
R392
0
R437 10K
R4
57
N.
M
.
R422
150
A
K
D10
N.M.
B
C
E
Q33
2SA1530A
R165
100
B
E
C
Q5
RT1N436C
C115 N.M.
+
C124
100U/50V
R412 100
R162 1.5K
R453 33
C121
4700P(1608)
R158 10K
R443 N.M.
C123
N.M.
(1608)
VIN
3
VSS
2
VOUT
1
IC36
NJM78L12UA
R461
N.M.
(1608)
R444 6.8K
TP26
R409 4.7K
C264 0.1U
R450
150
(3216)
TP28
R413
N.M
(1608)
R447 20K
R394 4.7K
TP78
R451
150
(3216)
R151
N.M.
/FRSNS
1
GND
2
CNFRT
CNFRT
B2B-PH-K-R
R439 10K
R458
0
R448 20K
+
C267
47U/16V
R148
N.M.
R390
N.M
(1608)
R440
560-F
(1/2W)
+
C263
220U/25V
C126 1U
R406 N.M.
R154 10K
R161
100
R139 3.9K
R160
100
R157 4.7K
A
K
D24
1SS355
R147
N.M.
B
E
C
Q7
RT1P141C
C119
4700P(1608)
C117 0.1U
R395
270
R401
0
(1608)
C118 1000P
R438 1K
R144 3.3K
R146
0.47
(1W)
R170
100
R173
N.M.
B
E
C
Q4
RT1N436C
C
B
C
E
Q30
2SC2412K
R402
N.M.
(1608)
C269 10P
R452 2K
R403
0
(1608)
C
286
0.
1U
R411
270
R388
MMZ1608Y102B
B
E
C
Q8
RT1N436C
R462
N.M
(1608)
R168
100
R140 10K
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y
2
7
2Y3
5
2Y4
3
VCC
20
GND
10
IC15
74AHCT244PW
R421
150
A
1
B
2
/A
3
/B
4
CNSCM
CNSCM
B4B-PH-K-S
R143 10K
C287
0.1U(1608)
R398 18P
R417 4.7K
B
C
E
Q36
N.M.
TP17
R441
560-F
(1/2W)
C270 33P
A
K
D7
N.M.
R420
N.M.
A
K
D8
N.M.
A
K
D9
N.M.
R419
N.M.
R153 13K
R449 4.7K
R
141
4.
7K
R385
N.M.
(1608)
B
C
E
Q35 N.M.
R446 10K
R442 N.M.
R172 4.7K
TP20
AO
1
GND
(VDD)
2
GND
3
VDD
(SEL)
4
VREF
(GND)
5
SP
6
CLK
7
VLED
8
BLED_GND
9
GLED_GND
10
RLED_GND
11
N.C.
12
CNCIS
CNCIS
HLW12S-2C7L
R400
N.M.
(1608)
R159
100
R155
100
C122
4700P(1608)
R455
0
R387
N.M.
(1608)
R156 0.47
(1W)
R145
N.M.
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
IC13 N.M.
R454 N.M.
C125 1000P
C120
4700P(1608)
(1-C3)
(1-C3)
(1-C3)
(1-C3)
(4-H5)
(4-H5)
(4-H5)
(1-C3)
(1-A3)
(6-F4)
(6-B6)(7-B2)(7-B4)(7-D3)
(6-B5)
(1-C5)
(1-C4)
(1-C4)
(1-C4) (1-C4) (1-C4) (1-C4) (1-C4) (1-C4)
(1-C6)
(1-C6) (1-C6)
(1-C3)
(1-C3)
(1-C3) (1-C3)
(3-F3)
(1-F3)
(4-C1)
(4-C1)
(1-C5)
(1-C5)
(1-C5)
(6-B4)(6-G2)(9-A4)
(7-D5) (6-B5) (6-B4) (6-B5) (6-F4) (6-F4)
(1-C6)
(1-B4)
(1-B4)
(4-G6) (4-G5)
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