Read Sharp AL-1551 (serv.man4) Service Manual online
AL-1551 CIRCUIT DIAGRAM 13-5
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
MCU 5. ASIC SECTION (OC/SPF/RSPF/Duplex Models)
IC208
M66236FP
CLK IN
1
TEST1
2
TEST2
3
TEST3
15
TR
13
GND
5
-CKO/2
6
CKO/2
7
GND
8
GND
14
CNTCK
9
-CKO
10
CKO
11
Vcc
12
PULSE
4
Vcc
16
C359
0.1u
C375
0.1u
C376
22000p
C385
0.1u
C386
22000p
IC205F
74LS07
13
12
R230
20KJ
C414
33p
C416
33p
C424
33p
C426
33p
C415
33p
C417
33p
C425
33p
C427
33p
C366
100p
L102
ZJSR5101-223
L108
ZJSR5101-223
L109
ZJSR5101-223
C397
0.1u
C325
0.1u
C326
0.1u
C392
0.1u
L107
ZJSR5101-223
X103
<1330> 22.000MHz
Vcc
8
GND
4
OUT
5
C109
10u 16V
C110
10u 16V
C275
100p
C363
0.1u
C341
0.1u
C357
0.1u
C353
0.1u
C347
0.1u
C327
0.1u
C378
12p
R305
47J
C374
33p
R294
10J
R292
47J
C358
12p
C317
33p
L103
ZJSR5101-223
C360
47P
C390
18p
C396
18p
C391
18p
C393
18p
C404
18p
C394
18p
C308
47P
C316
47P
C253
47P
C254
47P
C251
47P
C242
47P
C241
47P
C240
47P
C238
47P
C237
47P
C236
47P
C235
47P
C234
47P
C233
47P
C232
47P
C231
47P
C212
47P
C211
47P
C210
47P
C209
47P
C271
47P
C268
47P
C252
47P
BR173
10J
8
7
6
5
1
2
3
4
BR171
10J
8
7
6
5
1
2
3
4
IC205E
74LS07
11
10
BR172
30J
1
2
3
4
8
7
6
5
R301
10J
R276
10KJ
BR156
10J
5
6
7
8
4
3
2
1
R229
1KJ
BR170
30J
2
3
4
7
6
5
C269
47P
C270
47P
C243
47P
BR157
10J
8
7
6
5
1
2
3
4
C409
0.1u
C410
0.1u
C371
100p
C365
100p
C362
100p
C355
100p
C370
47P
R228
1KJ
BR113
20KJ
BR107
20KJ
BR104
20KJ
BR102
20KJ
BR130
10J
BR134
10J
BR139
10J
BR137
20KJ
C297
100p
C298
100p
C299
100p
C300
100p
R257
10J
BR150
20KJ
BR143
20KJ
BR141
20KJ
BR167
20KJ
BR163 47J
BR159
47J
BR152
47J
BR158
47J
R313
47J
R317
47J
BR160
47J
BR153
47J
BR162
47J
BR154 47J
BR166
20KJ
BR165
20KJ
BR161
20KJ
BR164
20KJ
R297
2KJ
BR114
20KJ
BR108
20KJ
BR105
20KJ
BR103
20KJ
BR116
20KJ
C266 100p
C267
100p
BR155
47J
BR168
20KJ
C361
100p
C356
100p
C260
47P
193
193
129
129
194
194
130
130
195
195
131
131
196
196
132
132
197
197
133
133
198
198
134
134
199
199
135
135
200
200
136
136
201
201
137
137
202
202
138
138
203
203
139
139
204
204
140
140
205
205
141
141
206
206
142
142
207
207
143
143
208
208
144
144
209
209
145
145
210
210
146
146
211
211
147
147
212
212
148
148
213
213
149
149
214
214
150
150
215
215
151
151
216
216
152
152
217
217
153
153
218
218
154
154
219
219
155
155
220
220
156
156
221
221
157
157
222
222
158
158
223
223
159
159
224
224
160
160
225
225
161
161
226
226
162
162
227
227
163
163
228
228
164
164
229
229
165
165
230
230
166
166
231
231
167
167
232
232
168
168
233
233
169
169
234
234
170
170
235
235
171
171
236
236
172
172
237
237
173
173
238
238
174
174
239
239
175
175
240
240
176
176
241
241
177
177
242
242
178
178
243
243
179
179
244
244
180
180
245
245
181
181
246
246
182
182
247
247
183
183
248
248
184
184
249
249
185
185
250
250
186
186
251
251
187
187
252
252
188
188
253
253
189
189
254
254
190
190
255
255
191
191
256
256
192
192
65
65
66
66
67
67
68
68
69
69
70
70
71
71
72
72
73
73
74
74
75
75
76
76
77
77
78
78
79
79
80
80
81
81
82
82
83
83
84
84
85
85
86
86
87
87
88
88
89
89
90
90
91
91
92
92
93
93
94
94
95
95
96
96
97
97
98
98
99
99
100
100
101
101
102
102
103
103
104
104
105
105
106
106
107
107
108
108
109
109
110
110
111
111
112
112
113
113
114
114
115
115
116
116
117
117
118
118
119
119
120
120
121
121
122
122
123
123
124
124
125
125
126
126
127
127
128
128
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
61
61
62
62
63
63
64
64
VHIHG73C025FD
BR101
20KJ
BR106 20KJ
BR109 20KJ
BR111 20KJ
BR117 20KJ
BR129 20KJ
R248
10J
BR144
20KJ
BR136
10J
BR151
20KJ
BR149
20KJ
BR149’
20KJ
R293
20KJ
R254
20KJ
R225
20KJ
R300
20KJ
R227
20KJ
BR131
47J
BR133
47J
/SDCLK
VCK
IC116
UT61256JC-12
A14
1
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
I/O1
11
I/O2
12
I/O3
13
GND
14
VDD
28
/WE
27
A13
26
A9
24
A8
25
A11
23
/OE
22
A10
21
/CE
20
I/O8
19
I/O7
18
I/O6
17
I/O5
16
I/O4
15
IC115
UT61256JC-12
A14
1
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
I/O1
11
I/O2
12
I/O3
13
GND
14
VDD
28
/WE
27
A13
26
A9
24
A8
25
A11
23
/OE
22
A10
21
/CE
20
I/O8
19
I/O7
18
I/O6
17
I/O5
16
I/O4
15
X102
<1329>
Vcc
8
GND
4
OUT
5
BR175
20KJ
BR176
20KJ
SD11
SD12
SD13
SD14
SD16
SD17
SD00
SD01
SD03
SD04
SD05
SD06
SD07
SAD4
SAD7
SAD5
SD11
SAD9
SD16
SD13
SAD3
SD17
SD12
SD06
SAD12
SAD2
SAD6
SAD1
SD02
SAD12
SAD2
SAD11
SAD11
SAD10
SD07
SD01
SD10
SAD1
SD03
SAD4
SD04
SAD10
SAD9
SAD0
SAD3
SAD6
SAD7
SAD5
SD05
SAD0
SD14
SD00
SD02
SD15
SD15
SAD12
SAD11
SAD10
SAD9
SAD7
SAD6
SAD5
SAD4
SAD3
SAD2
SAD1
SAD0
SD10
SAD13
SAD8
SAD8
SAD8
SAD13
SAD13
5V
3.3V
5V
5V
5V
5V
5V
5V
/RAS2
/RAS1
/RAS0
/CAS0
/RESET
/RD
/LWR
CPUCLK
INIT
SLCT
/AUTOFD
/STB
/FAULT
/SLCTIN
/REV
/CAS1
PE
/SYNC
SWE[1]
SCS[1]
SOE[0]
SWE[0]
SWE[0]
SOE[1]
SCS[0]
CCDD5
CCDD2
CCDD1
CCDD6
CCDD0
/SH
/f1
CCDD3
RS
CP
/f2
BCLK
SP
CCDD4
CCDD7
/LD
S/H
OP-LATCH
SWE[1]
SOE[1]
SCS[1]
SOE[0]
SCS[0]
SWE[0]
/ASICINT
SPUS
SRRC
SGS
SPFS
PARAAD7 PARAAD6 PARAAD5 PARAAD4 PARAAD3 PARAAD2 PARAAD1 PARAAD0
MDATA0
MDATA1
MDATA2
MDATA3
MDATA4
MDATA5
MDATA6
MDATA7
MDATA8
MDATA9
MDATA10
MDATA11
MDATA12
MDATA13
MDATA14
MDATA15
MAD5
A2
A3
A3
D7
VFMCNT
MAD10
MAD2
D5
MRPS1
LDEN
MAD8
A7
D0
MM
MAD3
D14
BIASH
MAD11
MAD0
/CS2
D9
CPFS2
A4
D8
TM
TC
/WE
MAD7
/CPUSYNC
D4
MRPS2
MAD1
CL
A6
D2
D15
GRIDL
MAD9
/TMEN
D12
VFM
MAD6
A1
A5
D11
BIAS
/SCANST
D6
MC
/PRSTART
PMD
/OE
MAD4
/SCANSP
D1
D3
BIASL
SMSEL
D13
MPFS
TMCLK
D10
TM-
CPFS1
/ACK
BUSY
This Section is 3.3V PULL UP
Other Section is 5V PULL UP
(3-A3)
(6-D4)
(4-D3) (4-D3)
(4-D2) (4-D2) (4-A4) (4-D3)
(4-D2)
(4-D3)
(4-D2)
(4-D2) (4-D2) (4-D2) (4-D2) (4-D2) (4-D3) (4-D3) (4-D2) (4-D2)
(4-D2) (4-D3)
(4-D3) (4-D3)
(4-A1)
(4-A1) (1-A3)
(1-A3) (1-A3) (1-A3)
(1-A4)
(1-A3)
(1-A4)
(1-A4)
(1-A3)
(1-A4)
(1-A4) (1-A4)
(1-A4)
(1-A4)
(1-D3)
(1-D2)
(1-D3) (1-D3)
(1-A4)
(6-C4)
(5-C4)
(5-C4)
(5-C4)
(5-C4)
(5-C4)
(6-E1)
(5-C4)
(6-E1)
(6-E1)
(6-E1)
(6-E1)
(6-E1) (6-E1)
(6-E1)
(6-E1)
(6-E2)
(6-E2)
(6-E2)
(6-E2)
(6-E2)
(6-E2)
(6-E2) (6-E2)
(6-E2)
(5-E4)
(5-E4)
(5-E4)
(5-D4)
(5-D4)
(5-D4)
(6-E3)
(6-E3)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-E4)
(6-D4)
(1-D2)
(1-D2)
(1-D2)
(1-A2)
(1-A2)
(1-D2)
(1-A3)
(1-A3)
(1-A3)
(1-B2)
(1-A3)
(1-A3)
(1-A3)
(1-C4)
(1-B2)
(1-E1)
(6-D1)
(6-D1)
(6-D1)
(6-D1)
(6-D1)
(6-D1)
(6-D1)
(6-D1)
(6-D1)
(6-D2)
(6-D1)
(6-D2)
(6-D2)
(6-D2)
(6-E1)
(6-D2)
(6-D2)
(6-E1)
(6-E1)
(6-E2)
(6-E2)
(6-E2)
(6-E2)
(6-E2)
(6-E2)
(6-E1)
(6-E1)
(6-E1)
(6-E1)
(6-E1)
(6-E1)
(6-E1)
(6-D1)
(6-E1)
(6-D1)
(1-A3)
13.9867MHz
& !"#
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