Sharp AR-287 (serv.man3) Service Manual ▷ View online
IC2
IS61C256-12J
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
VCC
28
GND
14
C104
223Z
IC17
IS61C256-12J
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
VCC
28
GND
14
C17
104Z**
C166
223Z
C149
223Z
C16
104Z**
R141
0J
IC6
74ALS574
D1
2
Q1
19
D2
3
Q2
18
D3
4
Q3
17
D4
5
Q4
16
D5
6
Q5
15
D6
7
Q6
14
D7
8
Q7
13
D8
9
Q8
12
CLK
11
OC
1
R110
100J
R109
0J
R102
0J
R104
0J
R103
0J
R108
0J
R105
0J
R106
0J
BR1
10K
IC1
IS61C256-12J
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
VCC
28
GND
14
C1
104Z**
C102
223Z
IC13
IMG G/A
SRAM1A9
154
SRAM1A10
155
SRAM1A11
156
SRAM1A12
157
SRAM1A13
158
SRAM1A14
159
GA
OUT7
90
SRAM1D7
184
IM
G
D
IN
0
91
SRAM1W
E
185
IM
G
D
IN
1
92
SRAM1OE
186
IM
G
D
IN
2
93
MOE
102
IM
G
D
IN
3
94
GND
95
MWE
103
IN
V
A
L
ID
L
96
R
Y
O
U
IK
I0
97
GOE
104
GWE
105
IN
V
A
L
ID
106
GA
OUT4
86
GA
OUT5
87
GA
OUT6
88
VDD
89
R
Y
O
U
IK
I1
98
R
Y
O
U
IK
I2
99
VDD
100
GND
101
DCTEST2
107
XI
FW
R
108
XI
FRD
109
IM
G
D
IN
4
110
IM
G
D
IN
5
111
IM
G
D
IN
6
112
IM
G
D
IN
7
113
GND
114
GADR0
115
GADR1
116
GADR2
117
GADR3
118
GADR4
119
VDD
120
GND
121
GND
122
GADR5
123
GADR6
124
GADR7
125
GADR8
126
GADR9
127
GND
128
GADR10
129
GADR11
130
GADR12
131
GADR13
132
GADR14
133
VDD
134
FIFOTST1
135
AMC
136
XIFEN
137
IMGCLK
138
GND
139
VDD
140
SRAM1A0
141
SRAM1A1
142
SRAM1A2
143
SRAM1A3
144
SRAM1A4
145
SRAM1A5
146
SRAM1A6
147
SRAM1A7
148
GND
149
AREA-CLK
150
TEST1
151
DCTEST3
152
SRAM1A8
153
VDD
160
GND
161
SRAM2A0
162
SRAM2A1
163
SRAM2A2
164
SRAM2A3
165
SRAM2A4
166
SRAM2A5
167
SRAM2A6
168
SRAM2A7
169
VDD
170
PAPER
171
HSYSEL
172
GND
173
SRAM1D0
174
SRAM1D1
175
SRAM1D2
176
SRAM1D3
177
SRAM1D4
178
GND
179
GND
180
VDD
181
SRAM1D5
182
SRAM1D6
183
GND
187
FI
FO
TST2
188
VDD
189
SRAM2A8
190
SRAM2A9
191
SRAM2A10
192
SRAM2A11
193
SRAM2A12
194
SRAM2A13
195
SRAM2A14
196
SRAM2OE
197
SRAM2W
E
198
SRAM2D0
199
GND
200
VDD
201
SRAM2D1
202
SRAM2D2
203
SRAM2D3
204
SRAM2D4
205
SRAM2D5
206
SRAM2D6
207
SRAM2D7
208
GND
209
M AREA 0
210
SRAM3A0
211
SRAM3A1
212
SRAM3A2
213
SRAM3A3
214
SRAM3A4
215
C103
104Z
C2
104Z**
C101
104Z
R107
0J
C165
104Z
X4
SG-8002JC 29MHz
OE
1
GND
2
OUT
3
VDD
4
C238
104Z
R353
0J
SWD2
SWD5
SWD1
SWD3
SWD7
SWD4
SWD6
SWD0
GMOUT7
GMOUT5
GMOUT6
GMOUT4
GMD7
GMD2
GMD0
GMD4
GMD5
GMD6
GMD1
GMD3
GMA9
GMA14
GMA1
GMA12
GMA11
GMA10
GMA4
GMA8
GMA3
GMA2
GMA7
GMA0
GMA6
GMA5
GMA13
IM
G_
DI
N2
IM
G_
DI
N3
IMG_DIN1
IMG_DIN2
IMG_DIN6
IMG_DIN0
IMG_DIN3
IMG_DIN5
IMG_DIN7
IMG_DIN4
LAT_CLK
GOE\
GWE\
IMG_D1
IMG_D2
IMG_D6
IMG_D0
IMG_D3
IMG_D5
IMG_D7
IMG_D4
AELA1
AELA2
AELA4
SW
A8
SW
D0
SW
A9
AELA0
AELA3
IM
G_
DI
N0
IM
G_
DI
N1
GMA0
GMA1
GMA2
GMA3
GMA4
IM
G_
DI
N4
IM
G_
DI
N5
IM
G_
DI
N6
IM
G_
DI
N7
GMA14
GMA12
GMA11
GMA10
GMA13
GMA5
GMA6
GMA7
GMA8
GMA9
SW
A10
SW
A14
SW
A13
SW
A12
SW
A11
SW
D7
SW
D6
SW
D2
SW
D5
SW
D1
SW
D4
SW
D3
LAT_CLK
SWA7
SWA6
SWA5
SWA4
SWA3
SWA2
SWA1
SWA0
SWA7
SWA6
SWA5
SWA4
SWA3
SWA2
SWA1
SWA0
SWA10
SWA11
SWA12
SWA13
SWA14
SWA8
SWA9
AELA0
AELA1
AELA2
AELA3
AELA4
AELA5
AELA6
AELA7
AELA10
AELA8
AELA9
AELA11
AELA12
AELA13
AELA14
SRAMA7
SRAMA13
SRAMA1
SRAMD4
SRAMA9
SRAMA2
SRAMA0
SRAMD7
SRAMD3
SRAMA0
SRAMA6
SRAMD0
SRAMD0
SRAMA7
SRAMD2
SRAMD5
SRAMD6
SRAMA10
SRAMD1
SRAMA5
SRAMD3
SRAMD4
SRAMA4
SRAMA1
SRAMA13
SRAMA5
SRAMA2
SRAMA6
SRAMA8
SRAMA3
SRAMD7
SRAMA12
SRAMA10
SRAMA9
SRAMA8
SRAMA3
SRAMA4
SRAMD6
SRAMD1
SRAMA11
SRAMD5
SRAMA14
SRAMD2
SRAMA14
SRAMA11
SRAMA12
CCD_CLK
+3.3V
+5V1
+5V1
+5V1
+5V1
LD_START2
LFWE\
GMOUT [0:7]
GMA [0:14]
WR0\
RD0\
CS_IMGGA\
GMD [0:7]
AREAIN\
IMGEN\
RYO0
RYO1
RYO2
A2D3
A2D2
A2D1
A2D0
CN3-9
CN3-8
CN3-7
CN3-6
CN3-5
CN3-4
CN3-2
CN3-3
CN3-11
CN3-30
SRAM_OE\
SRAM_WE\
SRAM_WE\
SRAM_OE\
5-4B
5-5C
6-3A
1-3C,1-5C,2-7C,5-8B
1-3C,1-5C,2-7C,5-8B
2-7C
5-8C
4/14
6-7A
6-2A
6-3A
6-3A
6-3A
6-7A
6-3A
6-3A
6-7A
6-3A
6-3A
6-3A
6-3A
6-3A
6-3A
6-3A
1
9
2
8
3
7
4
6
9
2
8
3
7
4
6
Uninstalled
Uninstalled
Uninstalled
Uninstalled
Uninstalled
4
3
2
1
D
C
B
A
4
3
2
1
AR-287/337
AR-407/507
AR-407/507
3 – 8
4/5/2000
C10
104Z**
C117
223Z
C120
223Z
C11
104Z**
R101
0J
L101
BLM21B601S
R137
10KJ
C145
223Z
C130
223Z
C128
223Z
C127
223Z
C159
223Z
IC106A
74AC08
1
2
3
C139
223Z
C116
104Z
R121
1KJ**
1KJ**
C107
223Z
C115
223Z
C119
104Z
IC5
74AS157
1A
2
1Y
4
1B
3
2A
5
2Y
7
2B
6
3A
11
3Y
9
3B
10
4A
14
4Y
12
4B
13
A/B
1
G
15
IC15
LSU G/A 2
VDD
1
D0
2
D1
3
D2
4
VDD
5
GND
6
D3
7
D4
8
D5
9
GND
10
AMC
11
D6
12
D7
13
VDD
14
GND
15
A0
16
SMC
17
A1
18
OUT4
19
A2
20
A3
21
A4
22
GMD0
23
GMD1
24
VDD
25
GND
26
GMD2
27
GMD3
28
GMD4
29
VDD
30
GND
31
GMD5
32
GMD6
33
GMD7
34
GND
35
B
UNRI
36
RD
37
WR
38
VDD
39
GND
40
CS
41
RESET
42
FCLK5
43
GND
44
TEST
45
DENB
46
CL
K O
47
OUT5
48
OUT6
49
GND
50
VDD
51
CLK C
52
HSYNC
53
READY
54
VDD
55
GND
56
CALO
57
LCFWE
58
LDBS ON
59
GND
60
AREA FAX
61
LDO0
62
LDO1
63
VDD
64
GND
65
LDO2
66
LDO3
67
LDO4
68
GND
69
OUT7
70
LDO5
71
FM11
72
LDO6
73
LDO7
74
VDD
75
GND
76
LPW
1
77
LPW
2
78
LPW
3
79
VDD
80
GND
81
LPW
4
82
OUT0
83
OUT1
84
GND
85
FM
21
86
ST
AR
T
87
ENABLE
88
VDD
89
GND
90
ADJUST
91
L
DCL
K
92
CAL
IN
93
HSYNC_
K
94
SCK
95
CL
KTRG
96
\B
D
97
OUT2
98
OUT3
99
GND
100
IC106B
74AC08
4
5
6
X2
SG-8002JC 38.893MHz
OE
1
GND
2
OUT
3
VDD
4
R120
10KJ
IC102D
74AS04
9
8
R
0
IC8
M66235FP
CLK IN
1
TEST1
2
TEST2
3
TEST3
15
TR
13
GND
5
GND
14
CNTCK
9
CKO
11
PULSE
4
/CKO/2
6
CKO/2
7
/CKO
10
VCC
12
GND
8
VCC
16
Q102
DTC114YKA
3
1
2
IC11A
74ACT3
1
2
IC4B
74VHCT08
4
5
IC4C
74VHCT08
9
10
C108
223Z
LD7
LD6
LD5
LD4
LD3
LD2
LD1
LD0
LDCLK
CALIN
GMD0
GMD1
GMD2
GMD3
GMD4
GMD7
CLK_C
A2
A3
A4
A5
CAD0
CAD1
CAD2
CAD3
CAD4
CAD5
CAD7
CAD6
A6
GMD5
GMD6
+3.3V
+5V1
+5V1
+3.3V
+5V1
+5V1
+5V1
HSYNC\
RD0\
WR0\
CS_LSUGA\
RES_IMG\
IMG_32MHz
LD_START
CAD [0:31]
A [2:23]
POF\
FWP\
HSYNC_K\
GMD [0:7]
AREA BI\
LFWE\
PRT_VCLK
CLK_TRG
RES_IMG2\
IMG_CLK_SEL
LDV
IMG_32MHz
CLK_TRG
CLK_TRG
START
B4\
B3\
B2\
B1\
READY
LDON
PAPER
PAPER
LDON
ICU PWB (LSU_G/A) (AR-287)
IC15*4
4-7B
1-1D,2-6D,4-7C
1-1D,2-1D,4-7C,14-4C
4-2A
1-3C,1-5C,2-7C,4-3A
1-3C,1-5C,2-7C,4-3A
2-7C
4-6D
2-2D,2-7C,6-3B
2-2B,3-3C
IC106,IC11,IC4,IC101,IC5
8-6C,9-3A,11-7D,12-1C,12-6C
2-2A,2-6A,3-8B,4-7B,6-2D,6-3A,7-8C
Uninstalled
Uninstalled
3-3D
4-6D
1-1A
Uninstalled
6-3B
4-3A
8-6C
4-7B
4-7D
10K
47K
8
7
6
5
D
C
B
A
8
7
6
5
AR-287/337
AR-407/507
AR-407/507
4/5/2000
3 – 9
R130
0J
R132
357F
C15
104Z
C135
223Z
C136
223Z
C137
223Z
R113
0J
R112
0J
R114
0J
R115
0J
R116
0J
R117
0J
R131
0J
L101
BLM21B601SPT
R137
10KJ
R133
5.6KJ
IC11C
74ACT32
9
10
8
IC102B
74AS04
3
4
IC7
DS90C401
VCC
1
DO1-
2
DO1+
3
DI1
4
GND
5
DO2-
6
DO2+
7
DI2
8
C134
223Z
C12
22/6.3
+
IC10
AD9561
D0(LSB)
26
D1
27
D2
28
D3
1
D4
2
D5
3
D6
4
D7(MSB)
5
CLOCK
6
CAL START
17
SEM/DEM
25
LEM/TEM
24
RSET
14
/PWR REDUCE
12
VDD
7
VDD
9
VDD
16
VDD
19
VDD
23
GND
8
GND
10
GND
13
GND
15
GND
20
GND
22
OUT
21
CAL OUT
11
RETRACE
18
R355
0J
IC102D
74AS04
9
8
R354
0J
R536
0J
R537
0J
C138
223Z
IC102C
74AS04
5
6
R550
0J
R549
0J
C111
223Z
IC9
TD62503F
I1
1
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
COM
8
O1
16
O2
15
O3
14
O4
13
O5
12
O6
11
O7
10
NC
9
C133
102K
R129
5.6KJ
R128
5.6KJ
Q101
DTA114YKA
3
1
2
Q102
DTC114YKA
3
1
2
IC11A
74ACT32
1
2
3
IC101B
74AS74
D
12
Q
9
CLK
11
Q
8
PR
10
CL
13
IC4B
74VHCT08
4
5
6
IC4C
74VHCT08
9
10
8
IC4A
74VHCT08
1
2
3
C7
22/6.3
+
R127
1.2KJ
Q108
DTC114YKA
3
1
2
Q109
DTA114YKA
3
1
2
R551
1.2KJ
R552
0J
VIDEO
VIDEO\
LD0
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LDCLK
CALIN
CALO
SYNC\
LSU_S/H
LDON\
B1
B2
READY\
B3
B4
START
MOT-SPEED
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
CN1-13
VDOUT
CN1-14
CN1-15
SYNC\
AREA BI\
LFWE\
IMG_CLK_SEL
CN1-5
SYNC_LOW
LD_START2
CN1-20
CN1-16
CN1-9
CN1-10
CN1-11
CN1-12
CN1-19
CN1-17
START
B1\
B2\
B3\
B4\
READY
R
M-SPEED
5/14
8-4C
2-7A
6-3B
4-3A
4-7D
Uninstalled
Uninstalled
Uninstalled
47K
10K
10K
47K
3-6B
4-3C
10K
47K
47K
10K
Uninstalled
Uninstalled
Uninstalled
4
3
2
1
D
C
B
A
4
3
2
1
AR-287/337
AR-407/507
AR-407/507
3 – 10
4/5/2000
R173
***J
***J
R175
***J
***J
R172
***J
R174
***J
***J
P CS
222
P RD
223
PW
R
224
GND
1
GND
2
FRAME
3
IRDY
4
TRDY
5
GND
6
VDD
7
AD31
8
AD30
9
GND
10
AD29
11
AD28
12
GND
13
VDD
14
AD27
15
AD26
16
GND
17
AD25
18
AD24
19
GND
20
VDD
21
AD23
22
AD22
23
GND
24
AD21
25
AD20
26
GND
27
VDD
28
AD19
29
AD18
30
GND
31
AD17
32
AD16
33
GND
34
VDD
35
AD15
36
AD14
37
GND
38
AD13
39
VDD
40
GND
41
AD12
42
AD11
43
GND
44
VDD
45
AD10
46
AD09
47
GND
48
VDD
49
AD08
50
AD07
51
GND
52
AD06
53
AD05
54
GND
55
VDD
56
AD04
57
AD03
58
GND
59
GND
60
VDD
61
AD02
62
AD01
63
GND
64
AD00
65
CBE3
66
GND
67
VDD
68
CBE2
69
CBE1
70
GND
71
CBE0
72
T1OUT7
73
T1OUT6
74
GND
75
VDD
76
BREQ I
77
BGNT I
78
PCLK I
79
GND
80
VDD
81
CL
K
82
T1OUT5
83
T1OUT4
84
T1OUT3
85
T1OUT2
86
T1OUT1
87
T1OUT0
88
PA
G
E
IN
89
AREAI
N
90
VA
L
ID
I
M
G
91
ID
A
T
A
7
92
ID
A
T
A
6
93
ID
A
T
A
5
94
ID
A
T
A
4
95
ID
A
T
A
3
96
ID
A
T
A
2
97
ID
A
T
A
1
98
ID
A
T
A
0
99
VDD
100
GND
101
PCLK ZM
102
BREQ ZM
103
BGNT ZM
104
ID
A
T
A A2 3
105
ID
A
T
A A2 2
106
ID
A
T
A A2 1
107
ID
A
T
A
A
2
0
108
P
CDI
O1
5
193
P CDI
O1
4
194
P CDI
O1
3
195
GND
196
P CDI
O1
2
197
P CDI
O1
1
198
P CDI
O1
0
199
GND
200
VDD
201
P CDI
O0
9
202
P CDI
O0
8
203
P CDI
O0
7
204
P CDI
O0
6
205
P CDI
O0
5
206
P CDI
O0
4
207
P CDI
O0
3
208
P CDI
O0
2
209
P CDI
O0
1
210
P CDI
O0
0
211
T1I
N
7
212
T1I
N
6
213
T1I
N
5
214
T1I
N
4
215
T1I
N
3
216
T1I
N
2
217
T1I
N
1
218
T1I
N
0
219
VDD
220
GND
221
P I
D
225
VDD
226
GND
227
PCLK O
228
BREQ O
229
BGNT O
230
P I
DREQ
231
P I
B
A
C
K
232
P I
D
A
C
K
233
P ODREQ
234
P OBA
C
K
235
P OD
A
C
K
236
BREQ PM2
237
BGNT PM2
238
PCLK PM2
239
VDD
240
R541
10KJ
10KJ
R538
10KJ
10KJ
R539
10KJ
10KJ
IAD [0..31]
IAD29
IAD28
IAD27
IAD26
IAD25
IAD24
IAD19
IAD15
IAD14
IAD13
IAD7
IAD4
IAD3
IAD8
IAD30
IAD31
CBE2
CBE1
CBE0
BRQ 1\
CK3
3
O
UT0
GMOUT7
GMOUT6
GMOUT3
GMOUT2
GMOUT1
CK3
3
O
UT6
BGNT6\
A2D3
A2D2
A2D1
A2D0
GMOUT4
GMOUT5
IM
G
E
N
\
AREAI
N\
SCAN
IAD9
IAD10
IAD11
IAD12
BGNT 1\
IAD17
IAD16
IAD23
IAD21
IAD22
IAD20
IAD18
IA
D
0
CBE3
IA
D
2
IAD6
GMOUT0
IAD5
C
K
33O
U
T
10
BG
N
T
10\
BGNT 0\
CK3
3
O
UT1
IA
D
1
BR
Q
10\
BRQ 0\
BRQ6\
+3.3V
+5V1
+3.3V
+3.3V
+3.3V
BRQ 1\
BGNT 1\
CK33OUT0
CK33OUT1
CK33OUT10
BRQ 0\
BGNT10\
BGNT 0\
IAD [0..31]
BRQ10\
FRAME\
IRDY\
TRDY\
AREAIN\
SCAN
IMGEN\
CBE3
CBE2
CBE1
CBE0
IMG_SUBCLK
9-7A
9-4A
9-7A
9-4A
9-7A
9-4A
9-7A
9-7A
9-4A
9-7A
9-7A
9-7A
9-7A
ICU PWB (2_G/A) (AR-287)
9-7A
2-6A,7-8C,9-8D,11-7D
2-3A,7-8C,11-7D
2-6A,7-8C,9-8C,11-7D
2-7A,4-7C
4-3C
4-4A
4-4A
Uninstalled
Uninstalled
2-6A,7-8C,9-8D,11-7D
2-6A,7-8C,9-8D,11-7D
2-6A,7-8C,9-8D,11-7D
2-6A,7-8C,9-8C,11-7D
2-6A,7-8C,9-8C,11-7D
2-6A,7-8C,9-8C,11-7D
2-6A,7-8C,9-8C,11-7D
2-6A,7-8C,9-8C,11-7D
8
7
6
5
D
C
B
A
8
7
6
5
AR-287/337
AR-407/507
AR-407/507
4/5/2000
3 – 11
Click on the first or last page to see other AR-287 (serv.man3) service manuals if exist.