Sharp AR-287 (serv.man3) Service Manual ▷ View online
C161
223Z
C172
223Z
C176
223Z
C177
223Z
C140
223Z
C198
223Z
C206
223Z
C212
223Z
R143
10KJ
C155
***P
***P
BR4
10K
BR8
10K
BR2
10K
BR4
10K
BR5
10K
BR6
10K
BR7
10K
BR3
10K
IC20
CPU G/A
CAD1
1
197
GND
201
GND
196
CAD1
2
198
CAD1
3
199
CAD1
4
202
VDD
200
GND
182
GND
177
CAD0
178
CAD1
179
CAD2
180
CAD3
183
VDD
181
GND
185
CAD4
184
A20
146
GND
147
VDD
142
A19
145
A18
144
A17
141
A16
140
GND
138
GND
143
A15
139
A3
121
EA2
107
VDD
124
IA
D
2
3
63
GND
120
ERWB
108
A4
122
IA
D
1
1
45
A5
123
VDD
105
A6
126
GND
67
A7
127
GND
106
GND
129
GND
125
GND
62
VDD
48
IA
D
2
4
64
IA
D
2
5
65
GND
44
IA
D
2
6
68
IA
D
2
7
69
IA
D
1
2
46
VDD
66
GND
71
IA
D
1
3
47
IA
D
2
8
70
GND
29
IA
D
1
4
50
IA
D
1
5
51
GND
49
GND
53
IA
D
1
27
IA
D
1
6
52
IA
D
2
30
IA
D
3
31
VDD
28
GND
33
IA
D
4
32
IA
D
5
34
IA
D
6
35
IA
D
7
36
VDD
37
VDD
38
GND
39
GND
40
IA
D
8
41
IA
D
9
42
IA
D
1
0
43
IA
D
1
7
54
IA
D
1
8
55
IA
D
1
9
56
VDD
57
GND
58
IA
D
2
0
59
IA
D
2
1
60
IA
D
2
2
61
IA
D
2
9
72
IA
D
3
0
73
IA
D
3
1
74
GND
75
GND
76
VDD
77
VDD
78
NC
79
INTIMGB0
80
INTIMGB1
81
INTIMGB2
82
INTIMGB3
83
INTIMGB4
84
INTIMGB5
85
INTIMGB6
86
INTIMGB7
87
INTIMGB8
88
INTIMGB9
89
NMIB
90
INTB0
91
INTB1
92
INPORT0
93
INPORT1
94
GND
95
GND
96
ED0
97
ED1
98
ED2
99
ED3
100
ED4
101
ED5
102
ED6
103
ED7
104
EWRB
109
CCDWRB
110
CSRETB
111
CSIRB
112
VDD
113
VDD
114
GND
115
GND
116
A0
117
A1
118
A2
119
GND
153
GND
154
BRB
155
BDB
156
BGB
157
RGST
158
RESOB
159
TT0
160
TT1
161
WR
IT
E
B
162
TSB
163
SI
ZE0
164
SI
ZE1
165
D
AB0
166
D
AB1
167
DTI
P
B
168
AAB
169
TBI
B
170
VDD
171
GND
172
TEAB
173
IP
L
B
0
174
IP
L
B
1
175
IP
L
B
2
176
CAD5
186
CAD6
187
CAD7
188
VDD
189
VDD
190
GND
191
GND
192
CAD8
193
CAD9
194
CAD1
0
195
VDD
152
VDD
151
A23
150
A22
149
A21
148
A14
137
A13
136
A12
135
GND
134
GND
133
A11
132
A10
131
A9
130
A8
128
C13
104Z
C121
223Z
X3
9.216MHz AT-49
R134
1M
R135
220J
C141
30P
C142
30P
C171
104Z
C152
104Z
C153
104Z
C154
104Z
C143
***P
***P
IC12
RY5ED0KC
TXDATA
2
RXDATA
3
A I
16
RTS
4
POWERON
8
RESET
7
POWER
18
TEST0
14
TEST1
9
TEST2
10
TEST3
11
TEST4
5
TEST5
6
IRTX
23
ASK
22
IRDA
21
OSCOUT
19
OSCIN
20
NC
15
VDD
13
VDD
24
GND
1
GND
12
GND
17
C122
102K
102K
IA
D
8
IA
D
9
IA
D
1
0
IA
D
1
1
IA
D
1
2
IA
D
1
3
IA
D
1
4
IA
D
1
7
IA
D
1
8
IA
D
1
9
IA
D
2
0
IA
D
2
1
IA
D
2
2
IA
D
2
3
IA
D
2
4
IA
D
2
5
IA
D
2
7
IA
D
2
6
IA
D
6
IA
D
5
IA
D
7
ED7
ED6
ED5
ED4
ED3
ED2
ED1
ED0
A23
A22
A21
A20
A18
A19
A16
A17
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
IA
D
1
IA
D
2
IA
D
3
IA
D
1
5
IA
D
1
6
IA
D
2
8
IA
D
4
IA
D
3
1
IA
D
3
0
IA
D
2
9
CAD1
CAD5
IRQ4\
CAD1
0
CAD1
4
CAD1
3
CAD0
CAD8
IRQ6\
CAD2
CAD6
CAD1
2
IRQ7\
CAD4
IRQ3\
CAD9
A15
CAD7
D/A WR\
CAD3
CAD1
1
IAD [0:31]
IRTX
ASK
ASK
IRDA
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
A [2:23]
RES_CPU\
IAD [0:31]
ED [0:7]
BG\
CN3-24
POF\
SIZ1
TT1
IRQ6\
BD\
DA1\
SIZ0
IRQ2\
R/W\
IRQ7\
DA0\
LD_START
BR\
IRQ4\
IRQ3\
TS\
TT0
RES_IMG\
CN2-B11
CN2-B12
CN2-B12
CN2-B13
POWER
PAGE
TXD_IR
RTS_IR
RXD_IR
CTS_IR
POWER
RESET_IR
IC20*4
IC103,109,110,115
3-3C,5-8B
1-1D,4-7C,5-8C,14-4C
1-6B
1-6B
1-6B
1-6C
1-6C
1-6C
1-6C
1-6C
1-6C
1-6B
1-6B
1-6B
1-6B
2-7C,5-8B,6-3B
2/14
14-4C
11-7D
6-3B
6-3B
6-8A,7-8C,9-8C,11-7D
3
2
1
6
7
8
9
4
3
2
1
6
7
8
9
4
3
2
1
6
7
8
9
4
3
2
1
6
7
8
9
7
8
9
8
9
2
1
3
1
3
6
4
4
9
4
2
4
2
BR6
2
1
3
1
3
1
9
8
9
8
3
7
4
7
4
6
1
2
3
4
9
8
7
6
2
3
4
9
8
7
6
11-7D
Uninstalled
7-8C
2-6A,3-8D,4-7B,5-8B,6-2D,6-3A,7-8C
8-6C,9-3A,11-7D,12-1C,12-6C
IC20*4
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 – 4
4/5/2000
C31
1u/50
1u/50
+
C32
3.3u/50
3.3u/50
+
C29
3.3u/50
3.3u/50
+
R171
10KJ
10KJ
R189
150J
ZD1
HZS6A1
R190
300J
R185
36KJ
R186
91KJ
91KJ
IC111B
LM339NS
LM339NS
7
6
1
+
-
R178
2.2KJ
2.2KJ
R180
39KJ
C195
102K
102K
R179
10KJ
R184
220KJ
IC111C
LM339NS
LM339NS
9
8
14
+
-
C187
102K
R181
22KJ
R177
10KJ
IC111D
LM339NS
LM339NS
11
10
13
+
-
R182
10KJ
10KJ
R176
10KJ
10KJ
R188
68KJ
68KJ
LD1
MVR3864K
R203
390J
Q107
DTC114YKA
3
1
2
Q105
DTC114YKA
3
1
2
R187
910J
910J
IC111A
LM339NS
LM339NS
5
4
2
3
12
+
-
D101
DAP202K
Q104
DTC124XKA
3
1
2
D102
DAN-217
Q103
DTC114YKA
3
1
2
Q106
DTC114EKA
3
1
2
IC101A
74AS74
D
2
Q
5
CLK
3
Q
6
PR
4
CL
1
IC105A
74AC04
1
2
IC4D
74VHCT08
12
13
11
R356
330J
330J
ZD2
HZS5A1
R357
910J
D5
1SS133
FW
+5V2
+12V1
+24V1
+12V1
+5V1
+12V1
+5V1
+5V
+5V1
+5V1
+12V1
+5V1
DCH
SYNC_LOW
RES_IMG\
CN7-B11
POF\
K
A
AK
K1
K2
A
B
C
E
10K
47K
10K
10K
10K
10K
47K
47K
22K
47K
2-6B
2-2A,2-6A,4-7B,5-8B,6-2D,6-3A
5-4B
ICU PWB (POWER) (AR-287)
7-8C,8-6C,9-3A,11-7D,12-1C,12-6C
B
E
E
E
C
C
B
B
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 – 5
JP-+5V1
JP-GND2
C6
1000/6.3
+
C110
223Z
C33
470/16
+
C203
223Z
C30
330/6.3
+
C202
223Z
C40
330/6.3
+
C237
223Z
C8
330/6.3
+
C112
223Z
C28
330/6.3
+
C192
223Z
C9
100/6.3
+
C113
223Z
C4
220/35
+
C114
223Z
R184
220KJ
IC111C
LM339NS
LM339NS
9
8
14
+
-
C199
103Z
103Z
R183
1.2KJ
1.2KJ
R170
300J
C187
02K
C5
220/35
+
C39
330/6.3
+
C233
223Z
JP-+3.3V
JP-POF\
R169
2.2KJ
2.2KJ
C186
223Z
LD1
MVR3864K
R203
390J
4YKA
3
1
2
Q106
DTC114EKA
3
1
2
JP-RES\
TH1
103AT-2
D2
1SS133
D4
1SS133
D3
1SS133
D1
1SS133
R111
1KJ
1KJ
NF65
EXCEMT222DT
NF76
EXCEMT102BT
NF66
EXCEMT222DT
NF67
EXCEMT222DT
NF68
EXCEMT222DT
NF69
EXCEMT222DT
NF70
EXCEMT222DT
NF71
EXCEMT222DT
NF72
EXCEMT222DT
NF73
EXCEMT222DT
NF74
EXCEMT222DT
NF75
EXCEMT222DT
NF77
EXCEMT102BT
NF78
EXCEMT102BT
NF79
EXCEMT102BT
NF80
EXCEMT102BT
NF81
EXCEMT102BT
NF83
EXCEMT222BT
NF84
EXCEMT222DT
+5VLD
+5V1A
+5V1
+5V1
+5V1
-5.0V
GND1
+5VLD
+5V1A
GND1
AGND
LGND
GND2
GND2
GND2
GND2
+12V1
AGND
+12V1
GND2
+5V1
+3.3V
+12V1
POFB
POFB
GND1
+38V
+38V
+12VOP
+12VOP
+24V1
+24V3OP
+24V3OP
+24V1
+5V1
+3.3V
GND1
+5V1
+5V1
+5V1
+24V1
GND2
+5V1
+5V1
+5V1
+5V2
+5V1
+5V1
+3.3V
+5V1
+24V1
RES\
POF\
CN7-A14
CN2-B9
CN10-22
CN10-14
CN10-13
CN10-17
CN10-18
CN10-19
CN10-20
CN10-21
CN10-5
CN10-6
CN10-8
CN10-9
CN10-10
CN10-11
CN10-15
CN10-7
CN10-2
CN10-1
CN10-3
CN10-4
CN2-A2
CN1-22
CN2-A1
CN1-21
CN2-A3
CN2-A10
CN1-8
CN5-2
CN5-1
CN2-A6
CN2-A5
CN7-A6
CN5-8
CN5-7
CN5-6
CN5-5
CN1-1
CN2-A8
CN5-9
CN5-10
CN2-A13
LDV
CN10-12
CN1-7
POF\
1-3A,2-6A,2-7C,3-8A
2-2B,5-8B
10K
10K
10K
47K
3/14
5-5A
B
C
E
E
C
Uninstalled
4
3
2
1
D
C
B
A
4
3
2
1
AR-287/337
AR-407/507
AR-407/507
3 – 6
4/5/2000
C18
104Z**
C167
223Z
IC3
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
C3
104Z**
C105
223Z
C150
223Z
C123
223Z
C144
223Z
C160
223Z
RAMDATA1
32
XIFADR9
30
RAMDATA2
33
GA
OUT7
90
RAMDATA3
34
RAMDATA0
31
RAMDATA4
35
RAMDATA5
36
RAMDATA6
37
IM
G
D
IN
0
91
RAMDATA7
38
IM
G
D
IN
1
92
IM
G
D
IN
2
93
IM
G
D
IN
3
94
RESET
39
GND
1
GND
95
IN
V
A
L
ID
L
96
GND
2
R
Y
O
U
IK
I0
97
CLK1
3
PAGE1
4
SMC
5
PAGE2
6
CDSYNCN
7
XIFADR0
8
XIFADR1
9
XIFADR2
10
XIFADR3
11
XIFADR4
12
XIFADR5
13
XIFADR6
14
GND
15
XIFDAT0
16
XIFDAT1
17
XIFDAT2
18
XIFDAT3
19
GND
20
VDD
21
XIFDAT4
22
XIFDAT5
23
XIFDAT6
24
XIFDAT7
25
GND
26
VDD
27
XIFADR7
28
XIFADR8
29
VDD
40
GND
41
HSYNC
42
RAMADR0
43
RAMADR1
44
RAMADR2
45
RAMADR3
46
RAMADR4
47
RAMADR5
48
RAMADR6
49
RAMADR7
50
GND
51
RAMADR8
52
RAMADR9
53
RAMADR10
54
RAMADR11
55
RAMADR12
56
RAMADR13
57
RAMADR14
58
GND
59
GND
60
VDD
61
GD
A
T
A0
62
GD
A
T
A1
63
GD
A
T
A2
64
GD
A
T
A3
65
GD
A
T
A4
66
GD
A
T
A5
67
GND
68
VDD
69
GD
A
T
A6
70
GD
A
T
A7
71
B
UNRI
72
FLO
W
SEL1
73
FLO
W
SEL2
74
DCTEST1
75
A2 1
76
A2 2
77
A2 3
78
A2 4
79
GND
80
VDD
81
GA
OUT0
82
GA
OUT1
83
GA
OUT2
84
GA
OUT3
85
GA
OUT4
86
GA
OUT5
87
GA
OUT6
88
VDD
89
R
Y
O
U
IK
I1
98
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
SRAM3A5
216
SRAM3A6
217
SRAM3A7
218
SRAM3A8
219
VDD
220
GND
221
SRAM3A9
222
SRAM3A10
223
SRAM3A11
224
SRAM3A12
225
SRAM3A13
226
SRAM3A14
227
SRAM3W
E
228
SRAM3OE
229
GND
230
VDD
231
SRAM3D0
232
SRAM3D1
233
SRAM3D2
234
SRAM3D3
235
SRAM3D4
236
SRAM3D5
237
SRAM3D6
238
SRAM3D7
239
VDD
240
IC18
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
C168
104Z
C106
104Z
C125
223Z
R118
0J
R119
20J
C126
223Z
R136
0J
C124
104Z
C14
104Z**
X1
SG-8002JC 32MHz
OE
1
GND
2
OUT
3
VDD
4
C109
223Z
IC14A
74ACT08
1
2
3
IC14C
74ACT08
9
10
8
IC14D
74ACT08
12
13
11
RAMA13
RAMA9
RAMA1
RAMA7
RAMA14
RAMA12
RAMA3
RAMA5
RAMA8
RAMA2
RAMA11
RAMA6
RAMA4
RAMA10
RAMA0
AELD3
AELD4
AELD2
AELD7
AELD0
AELD1
AELD5
AELD6
RAMD6
RAMA13
RAMA11
RAMA2
RAMA0
RAMD3
RAMD1
RAMA6
RAMA1
RAMA12
RAMA10
RAMA7
RAMD0
RAMA8
RAMA14
RAMA9
RAMA3
RAMD7
RAMD5
RAMA5
RAMA4
RAMD4
RAMD2
GMOUT0
GMOUT1
GMOUT2
GMOUT3
GMOUT7
GMOUT5
GMOUT6
GMOUT4
IM
G_
DI
N2
IM
G_
DI
N3
MWE\
A5
A2
A8
A4
A7
A3
A6
CAD2
CAD3
CAD0
CAD1
CAD4
CAD5
CAD7
CAD6
A11
A9
A10
GMD2
GMD0
GMD3
GMD4
GMD1
GMD5
AELA1
AELA2
AELA4
AELA12
AELA10
AELA8
AELA7
AELA13
AELA5
AELA9
AELA11
AELA6
AELA0
AELA3
AELA14
GMD6
GMD7
IM
G_
DI
N0
IM
G_
DI
N1
SW
D7
SW
D6
SW
D2
SW
D5
SW
D1
SW
D4
SW
D3
SET\
AELD1
AELD7
AELD2
AELD6
AELD4
AELD0
AELD5
AELD3
AELA0
AELA1
AELA2
AELA3
AELA4
AELA5
AELA6
AELA7
AELA10
AELA8
AELA9
AELA11
AELA12
AELA13
AELA14
MOE\
+5V1
+5V1
+3.3V
+5V1
+5V1
+5V1
RES_IMG2\
HSYNC\
CAD [0:31]
A [2:23]
SCAN
CN3-28
IMG_32MHz
IMG_SUBCLK
IMG_CLK_SEL
IC13*4
1-1D,2-1D,5-8C,14-4C
1-1D,2-6D,5-8D
5-7D
6-7A
IC14,IC6
ICU PWB (IMG_G/A) (AR-287)
5-5B
5-8B,5-5A
6-2B,8-3C
Uninstalled
Uninstalled
Uninstalled
5-5C
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 – 7
Click on the first or last page to see other AR-287 (serv.man3) service manuals if exist.