DOWNLOAD Sharp AR-287 (serv.man3) Service Manual ↓ Size: 3.78 MB | Pages: 127 in PDF or view online for FREE

Model
AR-287 (serv.man3)
Pages
127
Size
3.78 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / AR287 337 407 507-Circuit Diagrams
File
ar-287-sm3.pdf
Date
PREV: Sharp AR-287 (serv.man2) Service Manual / Specification

Sharp AR-287 (serv.man3) Service Manual ▷ View online

D104
RB411D
D103
RB411D
R342
5.6KJ
C235
6pF
C236
6pF
BT1
CR2032-H03
R346
22KJ
X7
32.768KHz
P
A
RA_
V
D3
1
P
A
RA_
V
D4
2
P
A
RA_
V
D5
3
P
A
RA_
V
D6
5
VSS
4
P
A
RA_
V
D7
(M
SB)
6
_VD2
_VD1
_VD0(LSB)
VDD
7
S
E
R
IA
L
_
V
D
_
IN
8
FT0
9
SERI
A
L_VCLK_OUT
10
VSS
11
FT1
12
FT2
13
FT3
14
FT4
15
VSS
16
P
A
RA_
V
CL
K_
OUT
17
MODE[
0
]
18
VDD
19
MODE[
1
]
20
A0
21
A1
22
A2
23
A3
24
VDD
25
A4
26
A5
27
A6
28
VSS
29
A7
30
A8
31
A9
32
VSS
33
CS
34
RD_DS
35
WR
36
VDD
37
D7(MSB)
38
D6
39
D5
40
VSS
41
D4
42
D3
43
D2
44
D1
45
VDD
46
D0
47
VSS
48
RESET
49
VDD
50
PR
T_VCLK_I
N
51
VSS
52
VSS
54
VSS
55
VSS
58
VDD
53
VDD
56
VI
DEO_
OUT
57
FT5
59
VDD
60
FT6
61
PVER
62
PHOR
63
VDD
64
K_OUT
RD_TEST
C_IN
M_DETECT_IN
_LSYNC_OUT
C_OUT
0J
0J
C234
104Z
IC104
74AS157
1A
2
1B
3
2A
5
2B
6
3A
11
3B
10
4A
14
4B
13
A/B
1
G
15
1Y
4
2Y
7
3Y
9
4Y
12
R345
22KJ
R348
22KJ
R347
22KJ
IC35
NJU6356
DATA
7
I/O
1
CLK
6
CE
5
XT
2
XT
3
VDD
8
VSS
4
CAD7
CAD6
CAD5
CAD4
CAD3
CAD2
CAD1
CAD0
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
GMA4
GMA6
GMA3
GMA5
GMA7
RTC CE\
RTC DATA\
RTC IO\
RTC CLK\
+5V1
+3.3V
RTC DATA\
RTC IO\
RTC CLK\
RTC CE\
AREA OUT
CK2
VDOUT
WR0\
RD0\
CS_RETIC\
8/14
7C
7C
7C
7C
5-3C
6-3B
6-3B
d
2-7C
1-3C,1-5C,2-6C,4-3A,5-8B
1-3C,1-5C,2-6C,4-3A,5-8B
4
3
2
1
D
C
B
A
4
3
2
1
AR-287/337
AR-407/507
3 – 16
4/5/2000
C271
223Z
C269
104Z**
R515
0J
C272
***P
C270
104Z
R518
22J
C273
***P
R522
22J
R517
22J
X5
SG-8002JC 50MHz
OE
1
GND
2
OUT
3
VDD
4
VDD
229
VDD
230
IAD0
231
GND
232
IAD1
233
GND
234
IAD2
235
GND
236
IAD3
237
VDD
238
GND
239
IAD4
240
GND
241
IAD5
242
VDD
243
IAD6
244
GND
245
IAD7
246
GND
247
GND
248
IAD8
249
GND
250
IAD9
251
VDD
252
IAD10
253
GND
254
IAD11
255
VDD
256
GND
257
IAD12
258
GND
259
IAD13
260
GND
261
IAD14
262
GND
263
IAD15
264
VDD
265
VDD
266
GND
267
GND
268
IAD16
269
GND
270
IAD17
271
GND
272
IAD18
273
GND
274
IAD19
275
VDD
276
GND
277
IAD20
278
GND
279
IAD21
280
VDD
281
IAD22
282
GND
283
IAD23
284
GND
285
GND
286
IAD24
287
GND
288
IAD25
289
VDD
290
IAD26
291
GND
292
IAD27
293
VDD
294
GND
295
IAD28
296
GND
297
IAD29
298
GND
299
IAD30
300
GND
301
IAD31
302
VDD
303
VDD
304
MA1
0
182
MA1
1
183
MA1
2
184
VDD
185
GND
186
MBA0
187
MBA1
188
VDD
189
VDD
190
GND
191
GND
192
MRAS
193
MCAS
194
MWE
195
VDD
196
GND
197
MBE0
198
MBE1
199
MBE2
200
MBE3
201
VDD
202
GND
203
ML
CL
K0
204
ML
CL
K1
205
MHCL
K0
206
MHCL
K1
207
MCL
K
E
208
VDD
209
GND
210
PD0
211
PD1
212
PD2
213
PD3
214
PD4
215
PD5
216
PD6
217
PD7
218
PD8
219
PD9
220
PD10
221
PD11
222
PD12
223
PD13
224
PD14
225
PD15
226
GND
227
GND
228
SMC
10
GND
1
SCK
11
GND
2
TRDY
3
FRAM
E
4
SI
N
12
IRDY
5
CBE0
6
CBE1
7
CBE2
8
CBE3
9
AMC
13
SO
T
14
VDD
15
GND
16
C
L
K66I
17
C
L
K33I
18
VDD
19
GND
20
C
L
K33O
-0
21
C
L
K33O
-1
22
C
L
K33O
-2
23
C
L
K33O
-3
24
C
L
K33O
-4
25
VDD
26
GND
27
C
L
K33O
-5
28
C
L
K33O
-6
29
C
L
K33O
-7
30
C
L
K33O
-8
31
C
L
K33O
-9
32
VDD
33
GND
34
BGNT0
35
BGNT1
36
VDD
37
VDD
38
GND
39
GND
40
BGNT2
41
BGNT3
42
BGNT4
43
BGNT5
44
BGNT6
45
BGNT7
46
BGNT8
47
R524
82J
R499
R501
R503
R505
R507
R509
R511
R513
R502
R510
R514
R512
R506
R508
R504
R500
NF85,86,92,87,88,91,90
NFM51R
1
3
R516-520,522,523
(22J)
R519
22J
R520
22J
R523
22J
R516
22J
R548
10KJ
R547
10KJ
R544
10KJ
R545
10KJ
R546
10KJ
R543
10KJ
IAD [0..31]
IAD25
IAD31
IAD6
IAD8
IAD24
IAD22
IAD11
IAD2
IAD17
IAD10
IAD5
IAD9
IAD0
IAD30
IAD20
IAD28
IAD18
IAD13
IAD26
IAD14
IAD19
IAD16
IAD21
IAD15
IAD7
IAD27
IAD12
IAD4
IAD1
IAD29
IAD23
IAD3
TRDY\
FRAME\
IRDY\
CBE0
CBE1
CBE2
CBE3
MA1
0
MA1
1
MA1
2
PD0
PD1
PD3
PD5
PD4
PD6
PD8
PD7
PD9
PD11
PD10
PD12
PD14
PD13
PD15
PD2
+5V1
+3.3V
IAD [0..31]
CBE0
CBE1
CBE2
CBE3
FRAME\
IRDY\
TRDY\
CK33OUT1
SUB_CLK
CK33OUT8
CK33OUT4
MBA0
MBA1
MRAS\
MCAS\
MWE\
MBE0
MBE1
MBE2
ML
CL
K0
ML
CL
K1
MHCL
K0
MHCL
K1
MBE3
MCL
K
E
CK33OUT5
CK33OUT6
CK33OUT10
CK33OUT0
ICU PWB (MEMORY_G/A) (AR-287)
2-3A,6-8A,7-8C,11-7D
2-6A,6-7C,7-8C,11-7D
2-6A,6-7A,7-8C,11-7D
Uninstalled
2-7D(CPU GA)
6-7D(2GA)
7-8C(RDH GA)
11-7D(SCSI GA)
Uninstalled
2-6A,6-7C,7-8C,11-7D
2-6A,6-7C,7-8C,11-7D
2-6A,6-7A,7-8C,11-7D
2-6A,6-7A,7-8C,11-7D
2-6A,6-7A,7-8C,11-7D
Uninstalled
0J*14
0J*2
10-
8A
10-
8A
10-
8B
10-
8A
10-
8B
10-
8A
10-
8A
10-
8B
10-
8B
10-
8A
10-
8A
10-
8A
10-
8A
10-
8A
Uninstalled
6-7A(2GA)
6-3C(2GA)
6-3A(2GA)
6-7D(2GA)
8
7
6
5
D
C
B
A
8
7
6
5
AR-287/337
AR-407/507
4/5/2000
3 – 17
C274
223Z
C275
223Z
C276
223Z
C277
223Z
IC19
MEMORY G/A
GND
153
GND
154
MCS0
155
MCS1
156
MCS2
157
MCS3
158
MCS4
159
MCS5
160
MCS6
161
MCS7
162
GND
163
MA0
164
MA1
165
MA2
166
VDD
167
GND
168
MA3
169
MA4
170
VDD
171
GND
172
MA5
173
MA6
174
MA7
175
VDD
176
GND
177
MA8
178
MA9
179
VDD
180
GND
181
MA1
0
182
MA1
1
183
MA1
2
184
VDD
185
GND
186
MBA0
187
MBA1
188
VDD
189
VDD
190
GND
191
GND
192
MRAS
193
MCAS
194
GND
116
MDL18
117
MDL19
118
MDL20
119
MDL21
120
VDD
77
MDL22
121
MDL23
122
VDD
78
MDL24
123
MDL4
79
VDD
124
MDL5
80
GND
125
MDL6
81
MDL7
82
MDH18
126
MDL8
83
MDH19
127
MDL9
84
MDL10
85
MDH20
128
VDD
86
MDH21
129
GND
87
MDH4
88
MDH22
130
MDH5
89
MDH6
90
MDH23
131
MDH7
91
MDH8
92
MDH24
132
MDH9
93
MDH10
94
GND
95
GND
133
GND
96
MDL11
97
MDL12
98
MDL13
99
GND
134
MDL14
100
MDL15
101
MDL16
102
MDL17
103
VDD
104
GND
105
MDH11
106
MDH12
107
MDH13
108
MDH14
109
MDH15
110
MDH16
111
MDH17
112
VDD
113
VDD
114
GND
115
MDL25
135
MDL26
136
MDL27
137
MDL28
138
MDL29
139
MDL30
140
MDL31
141
VDD
142
GND
143
MDH25
144
MDH26
145
MDH27
146
MDH28
147
MDH29
148
MDH30
149
MDH31
150
VDD
151
VDD
152
BGNT0
35
BGNT1
36
VDD
37
VDD
38
GND
39
GND
40
BGNT2
41
BGNT3
42
BGNT4
43
BGNT5
44
BGNT6
45
BGNT7
46
BGNT8
47
VDD
48
GND
49
BREQ0
50
BREQ1
51
BREQ2
52
BREQ3
53
BREQ4
54
BREQ5
55
BREQ6
56
VDD
57
GND
58
BREQ7
59
BREQ8
60
ABTL
T
S
61
RESET
62
TEST0
63
TEST1
64
MDL
0
65
MDL
1
66
MDL
2
67
MDL
3
68
VDD
69
GND
70
MDH0
71
MDH1
72
MDH2
73
MDH3
74
GND
75
GND
76
R534
10KJ
R535
0J
R
525
4.
7kJ
R
531
4.
7kJ
R
532
4.
7kJ
R
533
4.
7kJ
R
528
4.
7kJ
R
529
4.
7kJ
R
530
4.
7kJ
R
527
4.
7kJ
R
526
4.
7kJ
MDL [0..31]
MDH31
MDH30
MDH29
MDH28
MDH27
MDH26
MDH25
MDL31
MDL30
MDL29
MDL28
MDL26
MDL27
MDL25
MDH24
MDH23
MDH22
MDH21
MDH19
MDH20
MDH18
MDL19
MDL21
MDL22
MDL23
MDL24
MDL20
MDL18
MDH13
MDH12
MDH14
MDH15
MDL14
MDL12
MDH11
MDH16
MDH17
MDL16
MDL15
MDL13
MDL17
MDL11
MDH6
MDH5
MDH7
MDH8
MDL7
MDL5
MDH4
MDH9
MDH10
MDL9
MDL8
MDL6
MDL10
MDL4
MDL
0
MDL
1
MDL
2
MDL
3
MDH2
MDH3
MDH0
MDH1
MDH [0..31]
MA0
MA1
MA2
MA3
MA4
MA8
MA9
MA5
MA6
MA7
MA1
0
MA1
1
MA1
2
+3.3V
+3.3V
+3.3V
+3.3V
+5V1
BRQ8\
BRQ5\
BRQ1\
BRQ0\
IBREQ\
RES_IMG\
BRQ4\
IBGNT\
BGNT4\
BGNT0\
BGNT8\
BGNT1\
BGNT5\
MDH [0..31]
MDL [0..31]
BRQ10\
BGNT10\
MA [0..12]
MCS0\
MCS2\
MCS4\
MCS6\
MBA0
MBA1
MRAS\
MCAS\
BRQ6\
BRQ9\
BGNT6\
BGNT9\
IC19
9/14
2-2A,2-6A,3-8B,5-8B,6-2D,7-8C
6-3C(2GA)
2-6A(CPU GA)
7-8C(RDH GA)
8-6C,11-7D,12-1C,12-6C
6-8D(2GA)
7-8C(RDH GA)
6-8D(2GA)
11-7D(SCSI GA)
11-7D(SCSI GA)
6-3C(2GA)
6-7A(2GA)
6-7A(2GA)
2-6A(CPU GA)
Uninstalled
10-8B
10-2C
10-3C
10-5C
10-6C
10-8D
10-8C
10-
8A
10-
8A
10-
8A
10-
8A
6-7D(2GA)
6-3A(2GA)
6-7D(2GA)
6-3A(2GA)
11-7D(SCSI GA)
11-7D(SCSI GA)
4
3
2
1
D
C
B
A
4
3
2
1
AR-287/337
AR-407/507
3 – 18
4/5/2000
R479
22J
R480
22J
R492
22J
R491
22J
R482
22J
R481
22J
R483
22J
R486
22J
R485
22J
R488
22J
R484
22J
C265
104Z
C267
104Z
C263
104Z
C264
104Z
IC121
SDRAM-2
DQMU
39
NC
40
DQML
15
VCC
27
VSS
54
VCC
14
VCC
1
VCCQ
3
VCCQ
43
VCCQ
9
CKE
37
VCCQ
49
VSSQ
6
VSSQ
12
VSSQ
46
VSSQ
52
BA0
20
VSS
28
VSS
41
CLK
38
A12
36
BA1
21
A11
35
A10
22
A9
34
A8
33
A7
32
A6
31
A5
30
A4
29
A3
26
A2
25
A1
24
A0
23
WE
16
DQ0
2
CAS
17
DQ1
4
RAS
18
DQ2
5
CS
19
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQ8
42
DQ9
44
DQ10
45
DQ11
47
DQ12
48
DQ13
50
DQ14
51
DQ15
53
C262
104Z
C261
104Z
IC120
SDRAM-1
DQMU
39
NC
40
DQML
15
VCC
27
VSS
54
VCC
14
VCC
1
VCCQ
3
VCCQ
43
VCCQ
9
CKE
37
VCCQ
49
VSSQ
6
VSSQ
12
VSSQ
46
VSSQ
52
BA0
20
VSS
28
VSS
41
CLK
38
A12
36
BA1
21
A11
35
A10
22
A9
34
A8
33
A7
32
A6
31
A5
30
A4
29
A3
26
A2
25
A1
24
A0
23
WE
16
DQ0
2
CAS
17
DQ1
4
RAS
18
DQ2
5
CS
19
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQ8
42
DQ9
44
DQ10
45
DQ11
47
DQ12
48
DQ13
50
DQ14
51
DQ15
53
IC122
SDRAM-3
DQMU
39
NC
40
DQML
15
VCC
27
VSS
54
VCC
14
VCC
1
VCCQ
3
VCCQ
43
VCCQ
9
CKE
37
VCCQ
49
VSSQ
6
VSSQ
12
VSSQ
46
VSSQ
52
BA0
20
VSS
28
VSS
41
CLK
38
A12
36
BA1
21
A11
35
A10
22
A9
34
A8
33
A7
32
A6
31
A5
30
A4
29
A3
26
A2
25
A1
24
A0
23
WE
16
DQ0
2
CAS
17
DQ1
4
RAS
18
DQ2
5
CS
19
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQ8
42
DQ9
44
DQ10
45
DQ11
47
DQ12
48
DQ13
50
DQ14
51
DQ15
53
IC123
SDRAM-4
DQMU
39
NC
40
DQML
15
VCC
27
VSS
54
VCC
14
VCC
1
VCCQ
3
VCCQ
43
VCCQ
9
CKE
37
VCCQ
49
VSSQ
6
VSSQ
12
VSSQ
46
VSSQ
52
BA0
20
VSS
28
VSS
41
CLK
38
A12
36
BA1
21
A11
35
A10
22
A9
34
A8
33
A7
32
A6
31
A5
30
A4
29
A3
26
A2
25
A1
24
A0
23
WE
16
DQ0
2
CAS
17
DQ1
4
RAS
18
DQ2
5
CS
19
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQ8
42
DQ9
44
DQ10
45
DQ11
47
DQ12
48
DQ13
50
DQ14
51
DQ15
53
R487
22J
R477
22J
R490
22J
R478
22J
R489
22J
R474
200J
R473
200J
R476
200J
R475
200J
NF93
NFM51R
1
3
NF94
NFM51R
1
3
NF96
NFM51R
1
3
NF95
NFM51R
1
3
MDL31
MDL30
MDL28
MDL27
MDL26
MDL25
MDL24
MDL23
MDL22
MDL21
MDL20
MDL29
MDL19
MDL18
MDL17
MDL16
MDL22
MDL23
MDL24
MDL25
MDL26
MDL27
MDL28
MDL30
MDL31
MDL21
MDL16
MDL17
MDL18
MDL19
MDL29
MDL20
MDL15
MDL6
MBA1
MWE\
MDL5
MA7
M
MA7
MA0
MA2
MA3
MA9
MDL9
MBA0
MBA0
MDL14
MDL6
MDL2
MDL1
MA5
MA6
MA8
MBA1
MA12
MA11
MA8
MRAS\
MA1
MA4
MA10
MDL1
MRAS\
MA0
MDL9
MA4
M
MBA1
MRAS\
MDL2
M
MDL10
MCAS\
MA5
M
M
M
M
MA6
MA12
MDL7
MWE\
MWE\
MDL12
MDL4
MA3
M
M
MDL5
MDL13
M
MCLKE
MA2
MDL12
M
MA1
MDL3
MDL0
MCLKE
M
M
MDL0
MBA1
M
MA10
MDL7
MWE\
M
MCLKE
MCLKE
MDL13
MDL14
M
MDL15
MCAS\
MA11
M
MDL3
M
MDL8
MCAS\
M
M
M
M
MDL10
MCAS\
MDL4
MBA0
M
MDL11
MRAS\
MBA0
M
MDL8
MA9
MDL11
M
M
MLCLK0
M
M
MBE1
MBE0
M
M
M
MCS0\
MCS0\
MLCLK1
MBE2
M
MBE3
M
M
+3.3V1
+3.3V1
+3.3V1
+3.3V1
+3.3V1
+3.3V1
+3
+3
+3.3V1
+3.3V1
MDL [0..31]
MA [0..12]
MBA0
MBA1
MCS0\
MCS2\
MRAS\
MCAS\
MWE\
MBE1
MBE0
MLCLK0
MCLKE
MHCLK0
MDH [0..31]
MLCLK1
MBE3
MBE2
MHCLK1
9-1D
BR*20
22J
Uninstalled
Uninstalled
9-1D
9-1D
9-1D
9-1D
9-5D
9-5D
9-5D
9-5D
9-5D
9-5D
9-5D
9-5D
9-5D
9-5D
9-5D
9-5D
9-4D
9-4D
BR24
BR25
BR26
BR27
BR28
BR29
BR30
BR31
BR32
BR33
BR34
BR35
BR36
BR37
BR38
BR39
BR40
BR41
BR42
3
2
1
8
6
7
4
5
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
3
2
1
8
6
7
4
5
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
1
4
2
3
5
7
6
8
3
2
1
8
6
7
4
5
3
2
1
8
6
7
4
5
3
2
1
8
6
7
4
5
Uninstalled
Uninstalled
5
4
BR43
8
7
6
5
D
C
B
A
8
7
6
5
AR-287/337
AR-407/507
4/5/2000
3 – 19
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