AR-336 (serv.man3). AR250 286 336-Circuit Diagrams - Sharp Copying Equipment Service Manual (repair manual). Page 7

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BR15
10K
R157
0J
IC110A
74VHCT240
A1
2
Y1
18
A2
4
Y2
16
A3
6
Y3
14
A4
8
Y4
12
G
1
BR15
10K
C13
104Z
C121
223Z
X3
9.216MHz
R134
1M
R135
220J
C141
30P
C142
30P
C161
223Z
C172
223Z
C176
223Z
C177
223Z
C140
223Z
C198
223Z
C206
223Z
C212
223Z
R160
100J
C171
104Z
C152
104Z
C153
104Z
C154
104Z
C213
102K
R158
***J
R143
10KJ
C155
***P
C143
***P
C122
102K
IC109B
74VHCT240
A1
11
Y1
9
A2
13
Y2
7
A3
15
Y3
5
A4
17
Y4
3
G
19
BR4-3
10K
BR4
10K
BR8
10K
IC103A
74VHCT240
A1
2
Y1
18
A2
4
Y2
16
A3
6
Y3
14
A4
8
Y4
12
G
1
BR2
10K
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
BR4
10K
IC109A
74VHCT240
A1
2
Y1
18
A2
4
Y2
16
A3
6
Y3
14
A4
8
Y4
12
G
1
BR5
10K
R156
5.6KJ
BR6
10K
IC115B
74VHCT240
A1
11
Y1
9
A2
13
Y2
7
A3
15
Y3
5
A4
17
Y4
3
G
19
BR7
10K
R159
***J
IC110B
74VHCT240
A1
11
Y1
9
A2
13
Y2
7
A3
15
Y3
5
A4
17
Y4
3
G
19
BR3
10K
IC115A
74VHCT240
A1
2
Y1
18
A2
4
Y2
16
A3
6
Y3
14
A4
8
Y4
12
G
1
IC103B
74VHCT240
A1
11
Y1
9
A2
13
Y2
7
A3
15
Y3
5
A4
17
Y4
3
G
19
BR14
10K
IC20
CPU G/A
CAD23
215
GND
214
GND
219
CAD24
216
CAD25
217
CAD26
220
CAD27
221
VDD
218
GND
223
CAD28
222
CAD1
1
197
GND
201
GND
196
CAD12
198
CAD13
199
CAD14
202
CAD15
203
VDD
200
GND
205
CAD16
204
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
IAD23
63
GND
120
ERWB
108
A4
122
IAD1
1
45
A5
123
VDD
105
A6
126
GND
67
A7
127
GND
106
GND
129
CBE3
25
GND
125
GND
62
VDD
48
IAD24
64
GND
1
IAD25
65
GND
44
IAD26
68
GND
24
IAD27
69
IAD12
46
VDD
66
GND
2
GND
71
IAD13
47
IAD28
70
GND
29
IAD14
50
RESIB
3
IAD15
51
IAD0
26
GND
49
TEST0
4
GND
53
IAD1
27
IAD16
52
TEST1
5
IAD2
30
TEST2
6
IAD3
31
TEST3
7
VDD
28
IBGNTB
8
GND
33
IBREQB
9
IAD4
32
SMC
10
SCK
11
SIN
12
AMC
13
SOT
14
IRESB
15
FRAMEB
16
IRDYB
17
TRDYB
18
VDD
19
GND
20
CBE0
21
CBE1
22
CBE2
23
IAD5
34
IAD6
35
IAD7
36
VDD
37
VDD
38
GND
39
GND
40
IAD8
41
IAD9
42
IAD10
43
IAD17
54
IAD18
55
IAD19
56
VDD
57
GND
58
IAD20
59
IAD21
60
IAD22
61
IAD29
72
IAD30
73
IAD31
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
WRITEB
162
TSB
163
SIZE0
164
SIZE1
165
DAB0
166
DAB1
167
DTIPB
168
AAB
169
TBIB
170
VDD
171
GND
172
TEAB
173
IPLB0
174
IPLB1
175
IPLB2
176
CAD5
186
CAD6
187
CAD7
188
VDD
189
VDD
190
GND
191
GND
192
CAD8
193
CAD9
194
CAD10
195
CAD17
206
CAD18
207
CAD19
208
VDD
209
GND
210
CAD20
21
1
CAD21
212
CAD22
213
CAD29
224
CAD30
225
CAD31
226
GND
227
GND
228
VDD
229
VDD
230
NC
231
CLK66I
232
CLK33I
233
CLKSEL
234
GND
235
CLKOUT0
236
CLKOUT1
237
GND
238
RTCDATA
239
RTCIO
240
RTCCLK
241
RTCCE
242
CSB0
243
CSB1
244
CSB2
245
CSB3
246
GND
247
GND
248
CSGAB0
249
CSGAB1
250
CSGAB2
251
CSGAB3
252
WRB0
253
RDB0
254
WRB1
255
RDB1
256
WRB2
257
RDB2
258
WRB3
259
RDB3
260
WRBL
261
RDBL
262
WRBU
263
RDBU
264
VDD
265
VDD
266
GND
267
GND
268
TXD0
269
TXD1
270
TXD2
271
TXD3
272
RTSB0
273
RTSB1
274
RTSB2
275
RTSB3
276
SCLK0
277
SCLK1
278
STXD0
279
STXD1
280
OPORT0
281
OPORT1
282
OPORT2
283
OPORT3
284
GND
285
GND
286
RXD0
287
RXD1
288
RXD2
289
RXD3
290
CTSB0
291
CTSB1
292
CTSB2
293
CTSB3
294
SRXD0
295
SRXD1
296
SRDYB0
297
SRDYB1
298
SLRQB0
299
SLRQB1
300
SCAN
301
HSYNCB
302
VDD
303
VDD
304
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
BR9
10K
NF22
NFM40-100
1
3
NF11
NFM40-100
1
3
NF18
NFM40-100
1
3
NF10
NFM40-100
1
3
NF12
NFM40-100
1
3
NF15
NFM40-100
1
3
NF23
NFM40-100
1
3
NF20
NFM40-100
1
3
NF2
NFM40-100
1
3
NF5
NFM40-100
1
3
NF4
NFM40-100
1
3
NF25
NFM40-100
1
3
NF26
NFM40-100
1
3
NF9
NFM40-100
1
3
NF1
NFM40-100
1
3
NF7
NFM40-100
1
3
NF3
NFM40-100
1
3
NF28
NFM40-100
1
3
NF24
NFM40-100
1
3
NF14
NFM40-100
1
3
NF16
NFM40-100
1
3
NF17
NFM40-100
1
3
NF19
NFM40-100
1
3
NF13
NFM40-100
1
3
NF6
NFM40-100
1
3
NF27
NFM40-100
1
3
NF21
NFM40-100
1
3
NF8
NFM40-22
1
3
IAD8
IAD9
IAD10
IAD1
1
IAD12
IAD13
IAD14
IAD17
IAD18
IAD19
IAD20
IAD21
IAD22
IAD23
IAD24
IAD25
IAD27
IAD26
IAD6
IAD5
IAD7
ED7
ED6
ED5
ED4
ED3
ED2
ED1
ED0
IRTX
ASK
IRDA
TXD_PRT
TXD_RIC
DTR_RIC
PCU_RES
PCU_CLK\
RTS_PRT\
PCU_TXD\
RTS_RIC
OP_TXD\
OP_RES
OP_CLK\
RXD_RIC\
DSR_RIC\
CTS_PRT\
OP_LRQ\
OP_RDY\
OP_RXD\
PAGE\
CTS_RIC
SCAN\
PCU_LRQ\
PCU_RDY\
PCU_RXD\
A23
A22
A21
A20
A18
A19
A16
A17
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
RXD_PRT
IAD1
IAD2
IAD3
IAD15
IAD16
IAD28
F_RES
F_RES
LD_START
IAD4
IAD31
IAD30
IAD29
CAD31
CAD1
CAD29
CAD5
IRQ4\
CAD20
CAD27
CAD10
CAD14
CAD13
CAD0
CAD26
CAD8
CAD21
CAD18
IRQ6\
CAD2
CAD6
CAD16
CAD12
CAD25
CAD30
IRQ7\
CAD4
CAD22
IRQ3\
CAD19
CAD9
CAD28
CAD17
CAD24
CAD23
A15
CAD7
D/A WR\
CAD3
CAD15
CAD1
1
IAD0
IAD [0:31]
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
SYNC\
A [2:23]
CAD [0:31]
RES_CPU\
CPU_CLK
LD_START
IAD [0:31]
SCAN
RES_IMG\
RES\
ED [0:7]
SUB_CLK
CN7-A10
CN7-A5
CN7-A7
CN7-B8
CN7-B12
CN2-B5
CN7-B9
CN7-A12
CN7-A8
CN7-B2
CN7-B3
CN2-B4
CN2-B3
CN2-B8
CN7-A4
CN7-A3
CN7-A13
CN2-B2
CN2-B7
CN2-B6
CN7-A11
CN7-A2
CN7-B10
CN7-B4
CN7-B5
CN7-B6
CN7-B7
FRAME\
IRDY\
TRDY\
CBE0
CBE1
CBE2
CBE3
CN2-B11
CN2-B12
CN2-B13
IPL2\
BG\
CN3-24
POF\
RD2\
RTC DATA\
SIZ1
TT1
WR3\
WR1\
AA\
WRU\
CS_CGROM\
RD3\
IPL0\
IRQ6\
RDU\
CS_RAM\
BD\
RD1\
RTC CLK\
DTIP\
DA1\
SIZ0
IBGNT\
DCH
RTC CE\
RD0\
IRQ2\
CS_LSUGA\
IBREQ\
WRL\
WR2\
CS_IMGGA\
R/W\
IRQ7\
RES\
RTC IO\
TEA\
DA0\
LD_START
BR\
IRQ4\
IRQ3\
WR0\
CS_FROM\
TBI\
RES_IMG\
RDL\
CS_EEROM\
IPL1\
TS\
TT0
CS_RETIC\
TXD_IR
RTS_IR
RXD_IR
CTS_IR
POWER
RESET_IR
PAGE
POWER
RTS_IR
RXD_IR
PAGE
RESET_IR
CTS_IR
TXD_IR
IC20*4
IC103,109,110,115
1-1D,4-7C,5-8D
1-6B
1-6B
1-6B
1-6B
1-6B
1-6B
1-6B
1-6B
1-4B
1-3C
1-3C
4-3B
5-8B
1-3C,1-5C,4-3A,5-8B
1-3C,1-5C,4-3A,5-8B
1-5C
1-5C
1-5B
1-5B
1-5B
1-5A
1-5A
1-4A
1-3C
2-2D,5-8B,6-3B
3-5C
5-4B
4-7C,6-7A
1-3A,2-7C,3-4D,3-8A
2-2A,3-8B,4-7B,5-8B,6-2D,6-3A,7-8C
2-6A,3-8D,4-7B,5-8B,6-2D,6-3A,7-8C
3-3C,5-8B
1-1D,4-7C,5-8C,14-4C
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
1-3A,2-6A,3-4C,3-8A
8-6C,9-3A,11-7D,12-1C,12-6C
IC20*4
1-3A
Uninstalled
9-7A
9-7A
9-4A
14-4C
11-7D
6-3B
6-3B
6-8A,7-8C,9-8C,11-7D
8-6C,9-3A,11-7D,12-1C,12-6C
6-7C,7-8C,9-8D,11-7D
6-7A,7-8C,9-8C,11-7D
1
2
3
4
6
8
7
4
1
2
3
9
8
7
6
4
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
2
1
3
6
4
9
4
2
BR6
2
1
3
1
9
8
3
7
4
6
1
2
3
4
9
8
7
6
11-7D
Uninstalled
Uninstalled
Uninstalled
8-5B
8-5B
8-5B
8-5B
7-8C
1-4A
6-7A,7-8C,9-8C,11-7D
6-7A,7-8C,9-8C,11-7D
6-7A,7-8C,9-8C,11-7D
Uninstalled
Uninstalled
ICU PWB (CPU_G/A) (AR-250)
2/15
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
D
C
B
A
D
C
B
A
– 9 –
– 10 –
AR-336
4/2/1999
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