Sharp AR-M550 (serv.man5) Service Manual ▷ View online
AR-550/555/620/625/700/705 MOTHER PWB /
マザー PWB
4 - 98
ICP1
ICP-S1.2
1
2
CN8
TX25-100P-8ST-H1
85
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LCDD3+
S_RES\
DSR_SCN\
RXD_SCN\
RES_MFP\
MSWOFF\
VCCW_SCN
DTR_SCN\
TXD_SCN\
POF_SCN\
LCDCP1-
LCDD0-
2_DATA0-
1_CLK+
LCDD2+
LCDM-
2_DBL-
HSYNC
1_DBL+
LCDCP1+
LCDD0+
FRDY
LCDM+
NT
LCDD1-
PWM\
FWP-PCU
DCCNT\
LCDD2-
POF\
TXD_PCU
1_CLK-
2_CLK-
VIDEO+
RXD_PCU
SCNSET\
2_DBL+
DSR_PCU
LCDS+
VIDEO-
RES_PCU
1_DBL-
DTR_PCU
SLEEP
LCDD3-
PAGE
LCDDIS
2_CLK+
1_DATA0+
2_DATA0+
2_DATA1-
1_DATA1-
LCD-VEE
PRON_FAX\
1_DATA0-
PSSW
LCDCP2+
LCDD1+
LCDCP2-
LCDS-
1_DATA1+
2_DATA1+
2_DATA1+
WAKE UP
PROFF_CNT
+12V1
HDD-VCC
+3.3V
1_DATA1+
(1)
1_DATA1-
(1)
1_DATA0+ (1)
1_DATA0- (1)
1_CLK+
(1)
1_DBL+ (1)
1_DBL- (1)
1_CLK-
(1)
S_RES\ (1)
POF_SCN\
RXD_SCN\
TXD_SCN\
DSR_SCN\
DTR_SCN\
SCNSET\
VCCW_SCN
FRDY
LCDD0+
2_CLK+
PRON_FAX\
MSUOFF\
RXD_PCU
DSR_PCU
RES_PCU
DTR_PCU
POF\
TXD_PCU
VIDEO+
2_DATA1-
2_DATA0+
2_DATA0-
2_CLK-
2_DBL+
2_DBL-
LCDD0-
LCDD1+
LCDD2+
LCDD2-
LCDD3+
LCDD3-
LCDS+
LCDS-
LCDM+
LCDM-
LCDCP1+
LCDCP1-
LCDDIS
LCD-VEE
LCDCP2+
LCDCP2-
VIDEO-
DCCNT\
PAGE
PAGE
FWP-PCU
FWP-PCU
HSYNC
HSYNC
2_DATA1+
PWM\
RES_MFP\
LCDD1-
CNT FAN_MON
HDD FAN_MON
SLEEP
WAKE UP
DCCNT\
DTR_PCU
DTR_PCU
PROFF_CNT
PROFF_CNT
+12V_FAN
+12V_FAN
(from CONTROLLER)
(DTEN)
(DTR3)
(RES_PCU)
(TXD3)
(DSR3)
(RXD3)
(PCU-VCCW)
(DCCNT2)
(MSW-MON)
(/RES_SCN)
4
4
3
3
2
2
1
1
D
C
B
A
2/2
AR-550/555/620/625/700/705 MOTHER PWB /
マザー PWB
4 - 99
B. PARTS LAYOUT /
部品配置
PARTS SURFACE /
部品面
AR-550/555/620/625/700/705 MOTHER PWB /
マザー PWB
4 - 100
SOLDER SURFACE /
半田面
AR-550/555/620/625/700/705 SCANNER CONTROL PWB /
スキャナコントロール PWB
4 - 101
5. SCANNER CONTROL PWB /
スキャナコントロール PWB
A. CIRCUIT DIAGRAM /
回路図
D1
DAP202U
DAP202U
R
24 A
D9
DAN202U
DAN202U
R12 10KF
IC8
CS1
1
CS0
2
Vss
3
NC
4
Vcc
5
A0
6
A1
7
A2
8
A3
9
Vss
10
A4
11
A5
12
A6
13
A7
14
A8
15
A9
16
A10
17
A11
18
Vss
19
A12
20
A13
21
A14
22
A15
23
A16
24
A17
25
A18
26
A19
27
Vss
28
A20
29
IR
Q
5
30
TI
OCA5
7
3
TI
OCB4
74
TI
OCA4
75
TI
OCD3
76
TI
OCC3
77
TI
OCB3
78
TI
OCA3
79
80
80
RES
81
NMI
82
STBY
83
Vcc
84
XT
AL
85
EXT
AL
86
Vss
87
PF7
88
Vcc
89
PF6
90
RD
91
HW
R
92
LW
R
93
PF2
94
PF1
95
PF0
96
TxD2
97
Rx
D2
98
Vss
99
Vss
100
SCK2
101
P53
102
AVcc
103
Vref
104
AN0
105
AN1
106
AN2
107
AN3
108
AN4
109
AN5
110
DA0
111
DA1
112
AVss
113
Vss
114
TIOCB2
115
TIOCA2
116
TIOCB1
117
TIOCA1
118
TIOCD0
119
TIOCC0
120
TIOCB0
121
TIOCA0
122
MD0
123
MD1
124
MD2
125
PG0
126
CS3
127
CS2
128
C9
103K
BR8C
R10
910J 0.25W
BR6B
BR20C
IC22B
74VHC32
4
5
6
C10
103K
BR12B
D6
DAP202U
DAP202U
BR5C
BR31C
BR16B
C100
103K
IC4C
LM324D
10
9
8
+
-
BR12C
R13
30KF
30KF
Q4
DTA143ZUA
DTA143ZUA
3
1
2
TH100
103AT-2
t
C12
103K
BR12D
D11
DAN202U
DAN202U
C5
223Z
BR20A
BR16D
BR19B
IC2
CAT24WC04PI
E0
1
E1
2
E2
3
Vss
4
SDA
5
SCL
6
WC
7
Vcc
8
D2
DAN202U
DAN202U
C13
103K
D18
HZU3.0B2
BR1D
C8
102K
102K
R11
10KF
R6
1.2KJ
1.2KJ
BR4B
BR13D
Q3
DTA143ZUA
DTA143ZUA
3
1
2
D19
MA704A
MA704A
BR11A
Q7
DTC143ZUA
DTC143ZUA
3
1
2
BR19A
BR19C
R5
1.2KJ
1.2KJ
C11
102K
BR5D
IC1
24LC64
E0
1
E1
2
E2
3
Vss
4
SDA
5
SCL
6
WC
7
Vcc
8
Q6
DTC143ZUA
DTC143ZUA
3
1
2
IC3A
74VHC04
74VHC04
1
2
IC3C
74VHC04
74VHC04
5
6
Q2
DTA143ZUA
DTA143ZUA
3
1
2
D5
DAP202U
DAP202U
Q5
DTC143ZUA
DTC143ZUA
3
1
2
BR4D
R2
30KJ
30KJ
IC3B
74VHC04
74VHC04
3
4
BR4C
IC22D
74VHC32
12
13
11
BR12A
D10
DAN202U
DAN202U
BR16C
L1
MMZ1608S121AT
BR7B
BR6C
BR4A
BR19D
C33
223Z
D20
DAP202U
DAP202U
D7
DAN202U
DAN202U
BR7A
BR6A
BR1A
BR6D
BR20B
BR13A
C20
47uF/16V
+
BR8A
C3
223Z
IC4B
LM324D
5
6
7
+
-
BR7C
C4
223Z
C31
223Z
R37
0J
BR1C
BR8B
D4
DAP202U
DAP202U
BR5B
BR31B
C14
223Z
D8
DAN202U
DAN202U
BR8D
BR5A
C32
223Z
BR1B
BR13B
BR11B
C69
223Z
BR7D
BR13C
A0
A1
A2
A3
A4
A5
A6
A7
A10
A8
A9
A11
A12
A15
A13
A14
A17
A19
A16
A18
A20
AVCC
VREF
+3.3V3
+3.3V3
+3.3V3
+3.3V3
AVCC
VREF
VREF
+3.3V3
+3.3V3
+3.3V3
VREF
+3.3V3
VREF
+3.3V3
+12V2
YH
XH
VAREF
SWon
Yon
MIMDA
/MIMDA
MIMDB
/MIMDB
/SPFMDB
SPFMDB
/SPFMDA
DSR_SCN
/CSIO
/ADD_CCD2
SPFMDA
/RES_CCD1
/RES_CCD2
Xon
TH
SPWS
/HWR
/RD
/FRM_CCD1
/XL
/YL
PD
RXD_SCN
TXD_SCN
CIS TH
/CSFROM
/CSEE
/CSRAM
/KEYON
RY/BY
/HWR
/LWR
/RD
PD_CPU
PD_CPU
K
A2
A1
CN12
2-7A
2-7A
2-7A
2-7C
2-7B
2-4A
1-3D
1-1B
2-7C
1-2B
2-4A
1-1B,1-2B,1-3C
2-7B
2-4A
3-3D
3-3D
3-3D
3-3D
2-7B
1-1B,1-2B,1-3D
1-3C
2-7C
1-3D
1-7C
CN11
1-3B
CN1
2-7D
3-8C
2-4C
Not install
CN1
IC22
7
14
(VHC32)
CN1
1-8C
3-8C
3-4A
3-4A
CN1
CN1
CN1
Not install
Not install
Not install
Not install
Vref
Vref
Vref
CN13
8
8
7
7
6
6
5
5
D
C
B
A
SCANNER CONTROL PWB
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