Read Sharp AR-250 (serv.man3) Service Manual online
IC108
74VHCT244
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
IC107A
74VHCT240
A1
2
Y1
18
A2
4
Y2
16
A3
6
Y3
14
A4
8
Y4
12
G
1
C197
223Z
C181
223Z
C196
223Z
C188
223Z
C180
104Z
C200
104Z
C189
104Z
C201
104Z
R165
10KJ
R164
10KJ
IC107B
74VHCT240
A1
11
Y1
9
A2
13
Y2
7
A3
15
Y3
5
A4
17
Y4
3
G
19
R173
***J
R175
***J
R172
***J
R174
***J
C190
223Z
R162
10KJ
R161
10KJ
C191
223Z
IC23
2 G/A
PC
S
S
222
PR
D
D
223
PW
R
R
224
GND
1
GND
2
FRAME
3
IRDY
4
TRDY
5
GND
6
VDD
7
AD31
8
AD30
9
GND
10
AD29
11
AD28
12
GND
13
VDD
14
AD27
15
AD26
16
GND
17
AD25
18
AD24
19
GND
20
VDD
21
AD23
22
AD22
23
GND
24
AD21
25
AD20
26
GND
27
VDD
28
AD19
29
AD18
30
GND
31
AD17
32
AD16
33
GND
34
VDD
35
AD15
36
AD14
37
GND
38
AD13
39
VDD
40
GND
41
AD12
42
AD11
43
GND
44
VDD
45
AD10
46
AD09
47
GND
48
VDD
49
AD08
50
AD07
51
GND
52
AD06
53
AD05
54
GND
55
VDD
56
AD04
57
AD03
58
GND
59
GND
60
VDD
61
AD02
62
AD01
63
GND
64
AD00
65
CBE3
66
GND
67
VDD
68
CBE2
69
CBE1
70
GND
71
CBE0
72
T1OUT7
73
T1OUT6
74
GND
75
VDD
76
BREQ
I
77
BGNT
I
78
PCLK
I
79
GND
80
VDD
81
CLK
82
T1OUT5
83
T1OUT4
84
T1OUT3
85
T1OUT2
86
T1OUT1
87
T1OUT0
88
PAGEIN
89
AREAIN
90
VALID
IMG
91
ID
ATA
7
7
92
ID
ATA
6
6
93
ID
ATA
5
5
94
ID
ATA
4
4
95
ID
ATA
3
3
96
ID
ATA
2
2
97
ID
ATA
1
1
98
ID
ATA
0
0
99
VDD
100
GND
101
PCLK
ZM
102
BREQ
ZM
103
BGNT
ZM
104
IDA
TA
TA
A2
3
3
105
IDA
TA
TA
A2
2
2
106
IDA
TA
TA
A2
1
1
107
IDA
TA
TA
A2
0
0
108
R
YOUIKI2
109
R
YOUIKI1
11
0
R
YOUIKI0
111
O
D
ATA
7
7
11
2
O
D
ATA
6
6
11
3
O
D
ATA
5
5
11
4
O
D
ATA
4
4
11
5
O
D
ATA
3
3
11
6
O
D
ATA
2
2
11
7
O
D
ATA
1
1
11
8
O
D
ATA
0
0
11
9
VDD
120
GND
121
GND
122
CK2
123
PAGEOUT
124
AREAOUT
125
STB
126
MCNT2
127
MCNT1
128
MCNT0
129
SCNT2
130
SCNT1
131
SCNT0
132
T0IN7
133
T0IN6
134
T0IN5
135
T0IN4
136
T0IN3
137
T0IN2
138
GND
139
VDD
140
T0IN1
141
T0IN0
142
T0OUT7
143
T0OUT6
144
T0OUT5
145
T0OUT4
146
T0OUT3
147
T0OUT2
148
T0OUT1
149
T0OUT0
150
IR
151
IR ZM
152
I DREQ1
153
I DREQ2
154
I INT
155
I CS
156
I A2
157
I A1
158
I RD
159
VDD
160
GND
161
PCLK RE
162
BREQ RE
163
BGNT RE
164
I WR
165
I DIO15
166
I DIO14
167
I DIO13
168
I DIO12
169
GND
170
I DIO11
171
I DIO10
172
I DIO09
173
I DIO08
174
I DIO07
175
I DIO06
176
I DIO05
177
I DIO04
178
GND
179
GND
180
VDD
181
IDIO03
182
IDIO02
183
IDIO01
184
IDIO00
185
BREQ
FA
X
186
BGNT
FA
X
187
PCLK
FA
X
188
GND
189
VDD
190
RST
191
TEST
EN
192
P
CDIO15
193
P
CDIO14
194
P
CDIO13
195
GND
196
P
CDIO12
197
P
CDIO1
1
198
P
CDIO10
199
GND
200
VDD
201
P
CDIO09
202
P
CDIO08
203
P
CDIO07
204
P
CDIO06
205
P
CDIO05
206
P
CDIO04
207
P
CDIO03
208
P
CDIO02
209
P
CDIO01
210
P
CDIO00
21
1
T1IN7
212
T1IN6
213
T1IN5
214
T1IN4
215
T1IN3
216
T1IN2
217
T1IN1
218
T1IN0
219
VDD
220
GND
221
PID
225
VDD
226
GND
227
PCLK
O
228
BREQ
O
229
BGNT
O
230
P
IDREQ
231
P
IBACK
232
P
IDACK
233
P
ODREQ
234
P
OBACK
235
P
ODACK
236
BREQ
PM2
237
BGNT
PM2
238
PCLK
PM2
239
VDD
240
R163
10KJ
NF82
EXCEMT222BT
IAD [0..31]
IAD29
IAD28
IAD28
IAD27
IAD26
IAD26
IAD25
IAD24
IAD24
IAD19
IAD15
IAD14
IAD14
IAD13
IAD7
IAD4
IAD3
IAD3
IAD8
IAD30
IAD31
CBE2
CBE1
CBE0
BRQ
1\
CK33OUT0
GMOUT7
GMOUT6
GMOUT3
GMOUT2
GMOUT1
CK33OUT6
BGNT6\
A2D3
A2D2
A2D1
A2D0
R
YO2
R
YO1
R
YO0
GMA7
GMA6
GMOUT4
GMOUT5
IMGEN\
AREAIN\
SCAN
I WR\
I RD\
I A1
I A2
I CS\
I A1
I A2
I CS\
I DREQ2\
I DREQ1\
I DREQ1\
T0OUT4
GMA12
GMA13
GMA8
GMA9
GMA10
GMA13
GMA8
GMA9
GMA10
IAD9
IAD10
IAD11
IAD12
BGNT
1\
IAD17
IAD16
IAD16
IAD23
IAD21
IAD22
IAD20
IAD18
IAD0
CBE3
IAD2
GMA4
GMA2
GMA3
GMA5
IAD6
GMOUT0
IAD5
CK33OUT10
BGNT10\
BGNT
0\
CK33OUT1
CLK33OUT7
BGNT7\
BRQ7\
IAD1
T0OUT6
T0OUT5
PRT RES
20
I CS\
I RD\
I WR\
I A1
I A2
I RD\
I WR\
I A1
I A2
I DREQ2\
I DREQ1\
BRQ10\
BRQ
0\
BRQ6\
GMOUT [0..7]
GMA1
GMA0
GMA [0..14]
GMA11
RES_IMG\
10
CDIO
0
CDIO
1
CDIO
2
CDIO
3
CDIO
4
CDIO
5
CDIO
6
CDIO
7
CDIO
8
CDIO
9
CDIO
10
CDIO
11
CDIO
12
CDIO
13
CDIO
14
CDIO
15
P
IDREQ\
P
IBACK\
P
IDACK\
P
OBACK\
P
ODREQ\
P
ODACK\
PI/
D
P
WR\
P
RD\
CS_PM2\
+3.3V
+5V1
+3.3V
+5V1
+5V1
+5V1
+3.3V
+3.3V
+3.3V
CK33OUT6
BRQ6\
BGNT6\
BRQ 1\
BGNT 1\
CK33OUT0
BGNT 1\
CK33OUT0
BGNT7\
CLK33OUT7
BRQ7\
CK33OUT1
CK33OUT10
BRQ 0\
BGNT10\
CLK33OUT5
BGNT 0\
BGNT5\
BRQ5\
BRQ5\
RETSEL
IAD [0..31]
CN10-16
BRQ10\
GMOUT [0..7]
AREA OUT
CK2
FRAME\
IRDY\
TRDY\
IRDY\
TRDY\
RES_IMG\
AREAIN\
SCAN
IMGEN\
RYO0
RYO1
RYO2
RYO1
RYO2
A2D0
A2D2
A2D1
A2D3
CBE3
CBE2
CBE1
CBE0
CBE2
CBE1
CBE0
IRQ3\
IRQ4\
LD_START
AREA BI\
GMA [0..14]
IMG_SUBCLK
CDIO [0..15]
P IDREQ\
P IBACK\
P IDACK\
P ODREQ\
P IBACK\
P IDACK\
P ODREQ\
P ODACK\
P OBACK\
CS_PM2\
P WR\
P RD\
P I/D
DONE
INT\
INT\
9-7A
9-4A
9-7A
9-4A
9-7A
9-4A
9-7A
9-7A
9-7A
9-7A
4-1B
8-2D
8-2D
8-4D
9-7A
9-7A
9-4A
9-7A
9-7A
9-4A
IC23
IC107,108
9-7A
2-6A,7-8C,9-8D,11-7D
2-3A,7-8C,11-7D
2-6A,7-8C,9-8C,11-7D
2-7A,4-7C
4-3C
4-4A
2-2A,2-6A,3-8B,4-7B,5-8B,6-3A,7-8C,8-6C,9-3A,11-7D,12-1C,12-6C
2-2B
2-2B
2-2D,2-7C,5-8B
4-3A
9-4A
4-4A
4-4A
4-4A
4-4A
4-4A
4-4A
4-4A
Uninstalled
Uninstalled
5-5C
2-6A,7-8C,9-8D,11-7D
2-6A,7-8C,9-8D,11-7D
2-6A,7-8C,9-8C,11-7D
2-6A,7-8C,9-8C,11-7D
2-6A,7-8C,9-8C,11-7D
14-1B
14-2D
14-6C
14-6C
14-2D
14-3C
14-3C
14-6D
14-6D
14-6D
14-6D
14-6C
14-6C
ICU PWB (2_G/A) (AR-250)
6/15
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
D
C
B
A
D
C
B
A
– 17 –
– 18 –
AR-336
4/2/1999
Click on the first or last page to see other AR-250 (serv.man3) service manuals if exist.