Sharp GX20 Service Manual page 112

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MAIN PWB-A (2/3)
A
B
C
harge LED]
TOP VIEW
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18
1
2
3
4
5
6
7
8
9
10
1
11
A
19
B
21
22
23
24
25
26
27
28
29
30
C
37
38
39
D
43
44
45
46
47
48
49
50
51
E
58
59
60
61
62
63
64
65
57
F
D
72
73
74
71
G
80
81
82
83 84
85
86
79
H
92
93
94
95 96
97
98
91
J
103
104
105
106
107 108
109
110
K
115
116
117
118
119 120
121
122
L
127
128
129
130
M
136
137
138
139
140 141
142
143
N
135
149
150
151
152
153
154 155
156
157
P
163
164
165
R
169
170
171
172 173
174
175
176
177
178
T
185
U
187
188
189
190
191
192
193
194
195
196
197
V
E
F
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
CONFIDENTIAL
nAUXCS1
[Not use]
GPIO_42
[LCD Controller /CS]
GPIO_43
[Camera /CS]
GPIO_44
[Not use]
[Not use]
GPIO_45
[Sound_IC /CS]
GPIO_46
nRD
nWE
nHWR
[/UBS]
nLWR
[/LBS]
nWAIT
[LCD Controller /Wait]
nADV
[Not use]
BURSTCLK
[Not use]
DATA[0]
DATA[1]
DATA[2]
DATA[3]
DATA[4]
DATA[5]
DATA[6]
DATA[7]
DATA[8]
DATA[9]
DATA[10]
DATA[11]
DATA[12]
DATA[13]
DATA[14]
DATA[15]
12
3
14
15
16
17
18
ADD[0]
20
ADD[1]
31
32
33
34
35
36
ADD[2]
40
41
42
ADD[3]
52
53
54
55
56
ADD[4]
66 67
68
69
70
ADD[5]
75
76
77
78
ADD[6]
87
88
89
90
ADD[7]
99
100
101
102
ADD[8]
111
112
113
114
ADD[9]
123
124
125
126
ADD[10]
131
132
133
134
ADD[11]
144
145
146
147
148
ADD[12]
158
159
160
161
162
ADD[13]
166
167
168
ADD[14]
179
180
181
182
183
184
ADD[15]
186
ADD[16]
198
199
200
201
202
203
204
ADD[17]
ADD[18]
ADD[19]
ADD[20]
ADD[21]
ADD[22]
ADD[23]
GPIO_40
2
3
TP128
192
TP151
141
193
NC
155
NC
174
TP130
175
151
165
R171
185
100
R178
187
100
188
171
NC
190
TP129
DATA[0]
116
DATA[1]
118
DATA[2]
115
DATA[3]
119
DATA[4]
127
DATA[5]
117
DATA[6]
136
DATA[7]
135
DATA[8]
150
DATA[9]
138
DATA[10]
149
DATA[11]
164
DATA[12]
163
DATA[13]
139
DATA[14]
152
DATA[15]
169
21
45
38
TP152
60
TP153
37
59
74
TP156
43
73
58
83
TP160
57
72
TP162
71
80
94
95
92
93
91
106
104
TP172
103
108
105
NC
4
ADD[1]
ADD[2]
ADD[3]
ADD[4]
ADD[5]
ADD[6]
ADD[7]
ADD[1]
ADD[8]
ADD[2]
ADD[9]
ADD[3]
ADD[10]
ADD[4]
ADD[11]
ADD[5]
ADD[12]
ADD[6]
ADD[13]
ADD[7]
ADD[14]
ADD[8]
ADD[15]
ADD[9]
ADD[16]
ADD[10]
ADD[17]
ADD[11]
ADD[18]
ADD[12]
ADD[19]
ADD[13]
ADD[20]
ADD[14]
ADD[21]
ADD[15]
ADD[22]
ADD[16]
ADD[17]
ADD[18]
ADD[19]
ADD[20]
ADD[21]
ADD[22]
5
66
A0
59
A1
A2
58
A3
57
65
A4
A5
64
56
A6
55
A7
14
A8
16
A9
15
A10
4
A11
8
A12
A13
7
6
A14
5
A15
6

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