AR-FX4. Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 67

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AR-FX4 ELECTRICAL SECTION - 10
CD2A0
D0
CD2A2
CD2A1
CD2A3
G2D5
G2D1
G2D7
G2D2
G2D4
G2D6
G1D7
CD2D0
CD2D9
CD2D2
CD2D1
CD2D8
CD2D4
CD2D5
CD2D6
CD2D7
CD2D10
CD2D3
CD2D15
CD2D13
CD2D14
CD2D12 
CD2D11
M2A0
M2A3
M2A1
M2A2
M2A4
M2A5
M2A6
M2A7
M2A8
M2A9
M2A10
M2A11
M2A12
M2A15
M2A13
M2A14
M2D7
M2D0
M2D8
M2D11
M2D1
M2D9
M2D12
M2D2
M2D10
M2D13
M2D3
M2D4
M2D14
M2D5
M2D15
M2D6
SDRAM_A3
SDRAM_A1
SDRAM_A9
SDRAM_A12
SDRAM_A2
SDRAM_A8
SDRAM_A11
SDRAM_A0
SDRAM_A4
SDRAM_A10
SDRAM_A6
SDRAM_A7
SDRAM_A5
SDRAM_D1
SDRAM_D0
SDRAM_D2
SDRAM_D4
SDRAM_D3
SDRAM_D7
SDRAM_D5
SDRAM_D6
SDRAM_D10
SDRAM_D9
SDRAM_D8
SDRAM_D11
SDRAM_D13
SDRAM_D12
SDRAM_D14
SDRAM_D15
TR
GDATA11
GDATA13
GDATA7
GDATA1
GDATA9
GDATA0
GDATA8
GDATA2
GDATA6
GDATA12
GDATA14
GDATA4
GDATA3
GDATA5
GDATA10
A23
A22
A17
A4
A14
A13
A9
A7
A1
A24 
A25
A20
A6
A12
A2 
A3
A11
A18
A8
A16
A19
A21
A15
A10
D1
D2 
D3
D4 
D5
D7
D6
D8 
D9
D10 
D11
D13
D12
D14 
D15
GDATA15
A5
G1D2
G1D5
G1D0
G2D3
G2D0
G1D4
G1D6
G1D1
G1D3
CD2ACKC0-
CD2IRQ0
CD2RES-
FAXREQ0P-
CD2CLK
CD2ACKC1-
CD2ACKD0-
CD2ACKD1-
G1REQ-
CD2RD-
CD2REQD0
CD2IRQ1
CD2WR-
CD2CS-
FAXPRD-
CD2UBE-
CD2REQD1
G2ACK-
CD2REQC1
G2REQ-
WAIT
-
CD2REQC0
G1ACK-
M2A[0:15]
M2D[0:15]
SDRAM_A[0:12]
A[1:25]
G1D[0:7]
IRQ2-
CD2D[0:15]
SDRAM_DQM1
SDRAM_CKE
SDRAM_DQM0
SDRAM_RAS-
SDRAM_CAS-
SDRAM_CS-
SDRAM_WR-
SDRAM_CLK
SDRAM_BA1 
SDRAM_BA0
SDRAM_D[0:15]
GDATA[0:15]
FAXPAGE
-
READY-
SCLINE-
PRLINE-
RES-
HSYNC-
CS5-
BS-
RD-
CKIO_GA2
WE0- 
WE1-
D[0:15]
M2CE-
M2OE-
M2WE-
CD2A[0:3]
G2D[0:7]
FAXACK0P-
FAXCS0P-
CD2CLKIN
+5V
3.3VGA2
3.3VGA2
+3.3V
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
3.3VGA2
TP81
0
TP759
C187
F0.1u/16
TP80
4
TP85
1
R
1
8
6
4.7K
TP196
TP84
7
TP76
9
TP
818
TP794
TP816
TP82
9
C193
F0.1u/16
TP
215
TP88
0
BR83
MNR14 33
1
2
3
4



8
TP780
TP
813
TP187
TP211
TP76
7
TP195
TP90
1
BR80
MNR14 33
1
2
3
4
5
6
7
8
BR81
MNR14 33
1
2
3
4
5
6
7
8
R184
0
TP840
BR82
MNR14 33
1
2
3
4



8
TP209
TP77
1
TP85
2
TP89
6
TP81
4
TP
781
TP77
8
TP760
TP29
5
TP19
4
TP90
2
C240
F0.1u/16
TP817
TP82
6
TP207
TP763
TP
213
TP84
6
TP182
TP206
BR85
MNR14 33
1
2
3
4



8
C179
F0.1u/16
TP83
0
TP87
9
TP214
TP80
5
TP833
TP79
9
TP164
TP83
7
TP192
TP85
8
TP193
TP29
2
TP821
TP850
TP80
2
TP77
3
TP165
TP80
7
TP79
6
X7
SG-8002JCPH(28.16301MHz)
4
3
1
2
VDD
OUT
OE
GND
TP88
1
TP77
5
TP188
TP76
5
TP159
TP84
2
TP
212
TP20
5
FB10
MEM2012(N
M
)
TP88
7
TP81
5
TP190
TP163
TP17
3
R
1
8
8
4.7K
TP1063
TP88
3
TP84
4
C194
F0.1u/16
TP828
TP762
C191
F0.1u/16
C181
F0.1u/16
TP1107
BR79
MNR14 33
1
2
3
4
5
6
7
8
BR76
MNR14 33
1
2
3
4
5
6
7
8
TP88
5
TP179
C185
F0.1u/16
R
1
8
5
4.7K
TP85
5
TP82
4
TP1106
TP181
TP90
8
TP88
2
R181
0
TP822
TP834
TP80
8
TP169
TP88
6
TP756
TP77
7
C190
F0.1u/16
TP90
3
TP1105
TP84
1
C201
F0.1u/16
TP83
9
BR78
MNR14 33
1
2
3
4
5
6
7
8
C196
F0.1u/16
TP170
TP85
6
TP76
8
TP20
2
TP88
4
TP77
0
TP81
2
TP
784
TP90
4
BR77
MNR14 33
1
2
3
4
5
6
7
8
TP210
TP1111
TP80
6
TP80
0
IC39
M66235FP
3
9
2
1
6
4
7
10
11
13
15
8
14
12
16
5
TEST2
CNTCK
TEST1
CLKIN
/CKO/2
PULSE
CKO/2
/CKO
CKO
TR
TEST3
GND
GND
VCC
VCC
GND
TP83
1
TP845
TP786
TP79
7
TP90
9
TP20
4
TP85
7
TP200
TP28
7
TP1110
TP
787
TP189
R217
0
TP208
C199
F0.1u/16
TP90
6
R180
R(NM)
TP785
TP76
6
TP1109
TP854
TP178
BR75
MNR14 4.7K
1
2
3
4



8
TP201
TP28
8
TP82
0
TP152
R182
R(NM)
TP90
7
TP82
7
TP791
TP83
5
TP180
TP177
TP171
C195
F0.1u/16
TP80
9
R183
0
C192
F0.1u/16
TP168
C180
F0.1u/16
TP
789
R
1
8
7
4.7K
C178
F0.1u/16
C183
F0.1u/16
TP90
5
TP1108
TP761
R272
0
TP81
1
TP184
TP77
4
C189
F0.1u/16
C182
F0.1u/16
TP183
TP151
TP19
9
TP28
9
TP82
3
TP167
BR84
MNR14 33
1
2
3
4



8
TP
788
IC38
uPD65954GL-061
304
228
303
77
302
227
301
1
300
226
299
78
298
225
297
296
224
295
79
294
223
293
2
292
222
291
80
290
221
289
3
288
220
287
81
286
219
285
284
218
283
82
282
217
281
4
280
216
279
83
278
215
277
276
214
275
84
274
213
273
5
272
212
271
85
270
211
269
6
268
210
267
86
266
209
265
264
208
263
87
262
207
261
7
260
206
259
88
258
205
257
204
256
89
255
203
254
8
253
202
252
90
251
201
250
249
200
248
91
247
199
246
9
245
198
244
92
243
197
242
10
241
196
240
93
239
195
238
237
194
236
94
235
193
234
11
233
192
232
95
231
191
230
229
190
96
189
12
188
97
187
13
186
98
185
184
99
183
14
182
100
181
101
180
15
179
102
178
177
103
176
16
175
104
174
17
173
105
172
171
106
170
18
169
107
168
167
108
166
19
165
109
164
20
163
110
162
161
111
160
21
159
112
158
157
113
156
22
155
114
154
153
115
23
116
24
117
118
25
119
120
26
121
27
122
123
28
124
29
125
126
30
127
128
31
129
32
130
131
33
132
133
34
134
135
35
136
36
137
138
37
139
140
38
141
39
142
143
40
144
145
41
146
147
42
148
43
149
150
44
151
152
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
VDD-304
GND-228
VDD-303
VDD-77
D[15]
GND-227
D[14]
GND-1
GND-300
TOUT5
D[13]
VDD-78
D[12]
TOUT4
GND-297
VDD-296
TOUT3
D[11]
CDD[11]
D[10]
TOUT2
GND-293
GND-2
D[9]
TOUT1
D[8]
CDD[12]
GND-290
TIN
VDD-289
G2D[7]
D[7]
TEB_N
D[6]
CDD[13]
GND-286
TMOD1_N
GND-285
D[5]
READY_N
D[4]
CDD[14]
GND-282
FAXPAGE_N
D[3]
G2D[6]
D[2]
PRLINE_N
GND-279
CDD[15]
VDD-278
SCLINE_N
D[1]
D[0]
HSYNC_N
GND-275
TRES_N
NC[3]
GDATA[15]
NC[2]
G2D[5]
IRQ[2]_N
GDATA[14]
BSSEL[1]
MCE_N
BSSEL[0]
GDATA[13]
CLK_SYS
G2D[4]
GND-268
GND-210
GND-267
VDD-86
VDD-266
VDD-209
VDD-265
WAIT_N
GDATA[12]
WE1_N
GND-87
WE0_N
GDATA[11]
RD_N
G2D[3]
NC[1]
GDATA[10]
BS_N
MOE_N
CS5_N
GDATA[9]
A[25]
GDATA[8]
A[24]
MWE_N
A[23]
GDATA[7]
A[22]
G2D[2]
A[21]
GDATA[6]
A[20]
MA[0]
A[19]
GDATA[5]
A[18]
A[17]
GDATA[4]
GND-248
MA[1]
GND-247
GDATA[3]
A[16]
G2D[1]
A[15]
GDATA[2]
A[14]
MA[2]
A[13]
GDATA[1]
A[12]
NC[0]
A[11]
GDATA[0]
A[10]
MA[3]
A[9]
TR
A[8]
A[7]
RES_N
A[6]
MA[4]
A[5]
CLK_VID
A[4]
TCK
A[3]
GND-192
A[2]
GND-95
A[1]
GND-191
VDD-230
VDD-229
VDD-190
GND-96
VDD-189
TDI
FAXPRD_N
MA[5]
FAXREQOP_N
TRST
FAXACKOP_N
MA[6]
FAXCSOP_N
SDRAM_D[15]
MA[7]
SDRAM_D[14]
TDO
SDRAM_D[13]
MA[8]
GND-181
MA[9]
VDD-180
G2D[0]
SDRAM_D[12]
MA[10]
SDRAM_D[11]
SDRAM_D[10]
MA[11]
SDRAM_D[9]
G1D[7]
SDRAM_D[8]
VDD-104
SDRAM_D[7]
G1D[6]
SDRAM_D[6]
GND-105
GND-172
VDD-171
MA[12]
SDRAM_D[5]
G1D[5]
SDRAM_D[4]
MA[13]
SDRAM_D[3]
SDRAM_D[2]
MA[14]
SDRAM_D[1]
VDD-19
SDRAM_D[0]
MA[15]
SDRAM_A[12]
GND-20
GND-163
MD[0]
VDD-162
SDRAM_A[11]
MD[1]
SDRAM_A[10]
G1D[4]
SDRAM_A[9]
MD[2]
SDRAM_A[8]
SDRAM_A[7]
VDD-113
SDRAM_A[6]
G1D[3]
SDRAM_A[5]
VDD-114
GND-154
GND-153
GND-115
G1D[2]
GND-116
G1D[1]
MD[3]
MD[4]
G1D[0]
MD[5]
MD[6]
G2ACK_N
MD[7]
G2REQ_N
MD[8]
MD[9]
G1ACK_N
VDD-124
G1REQ_N
GND-125
MD[10]
TMS
MD[11]
MD[12]
GND-31
MD[13]
CDCLK
MD[14]
MD[15]
CDRES_N
SDRAM_CS_N
GND-133
CDIRQ0
GND-134
SDRAM_CLK
CDIRQ1
SDRAM_CKE
CDUBE_N
SDRAM_RAS_N
SDRAM_CAS_N
VDD-37
SDRAM_WR_N
SDRAM_DQM0
VDD-38
SDRAM_DQM1
GND-39
VDD-142
GND-143
GND-40
SDRAM_BA[0]
SDRAM_BA[1]
CDCS_N
SDRAM_A[0]
SDRAM_A[1]
CDRD_N
SDRAM_A[2]
CDWR_N
SDRAM_A[3]
SDRAM_A[4]
CDA[0]
VDD-151
VDD-152
CDA[1]
CDA[2]
CDA[3]
VDD-48
GND-49
CDREQC0
CDREQC1
CDACKC0_N
CDACKC1_N
CDREQD0
CDREQD1
CDACKD0_N
VDD-57
GND-58
CDACKD1_N
CDD[0]
CDD[1]
CDD[2]
CDD[3]
VDD-64
GND-65
CDD[4]
CDD[5]
CDD[6]
CDD[7]
CDD[8]
VDD-71
GND-72
CDD[9]
CDD[10]
GND-75
GND-76
TP91
0
TP838
TP757
C184
F0.1u/16
TP77
2
TP174
TP76
4
TP790
C198
F0.1u/16
C200
F0.1u/16
TP77
9
TP848
TP758
TP172
TP755
TP19
8
TP29
0
TP843
TP175
TP
783
TP155
TP
819
TP77
6
TP83
2
TP110
4
TP176
TP
782
TP79
8
TP25
7
C202
F0.1u/16
IC74
74VHC164M
1
2
8
9
3
4
5
6
10
11
12
13
14
7
A
B
CLK
CLR
QA
QB
QC
QD
QE
QF
QG
QH
VCC
GND
TP20
3
TP80
1
C197
F0.1u/16
TP186
TP156
TP19
7
TP29
3
TP82
5
TP166
TP25
8
TP793
TP191
TP185
TP853
TP83
6
TP104
6
TP84
9
TP
792
TP79
5
C186
F0.1u/16
C188
F0.1u/16
E
D
C
B
A
E
D
C
B
A
4
3
2
1
4
3
2
1
F
AX MAIN PWB (GA2)
8/10
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