Sharp GX20, Service Manual

Page: 112 / 168

GX20
5 – 16
CONFIDENTIAL
Figure 11 SCHEMATIC DIAGRAM (11/24)
A
B
C
D
E
F
G
H
1 2 3 4 5 6
MAIN PWB-A (2/3)
A11
A15
A14
A13
A12
A16
A8
A10
A9
A7
A6
A3
A2
A1
SC
-/CE1
A5
A4
A0
4
5
6
7
8
13
14
15
16
55
56
57
58
59
60
64
65
66
TP152
TP153
TP156
TP160
TP162
TP172
TP151
TP128
TP129
10 7
8
24 22
H
51 56
5
60
A
32
8
49
59
D
30
6
28
39
52
23
6
3
19
63
45
35
4
36
62
14 2
27
2
40
48 50
16
F
20
43
5
1
26
9
44 54
15
41
4 1 3
34
K
J
64
17
G
21
38
11
55
29
46
18
61
3
E
33
7
31
57
53
9
42
1
B
58
25
10
C
12
47
TOP VIEW
37
11 12 13 14 15 16 17 18
L
M
N
P
R
T
U
V
65 68 69 70 66 67
77 71 78 76 74 72 75 73
89 83 84 79 90 88 85 82 86 80 87 81
101 95 96 91 102 100 97 94 98 92 99 93
113 107 108 103 114 112 109 106 110 104 111 105
125 119 120 115 126 124 121 118 122 116 123 117
133 127 134 132 130 128 131 129
147 140 141
135
148 146 142 138 143 136 145 139 137 144
161 154 155 149 162 160 156 152 157 150 159 153 151 158
166 165 163 164 168 167
175 172 173 169 170 179 177 181 184 183 180 176 174 178 171 182
186 185
189 196 194 202 192 190 204 200 191 195 199 193
187
203 188 198 201 197
VSSR
TC
ADD[0]
GND
ADD[21]
ADD[23]
GND GND
GPIO_40
ADD[20]
ADD[22]
GND
DATA[2]
DATA[3]
DATA[1]
DATA[0]
DATA[5]
ADD[2]
ADD[4]
GND GND
DATA[4]
GND
DATA[9]
DATA[7]
DATA[13]
DATA[6]
ADD[11]
ADD[1]
ADD[7]
GPIO_42
nRD
GND
DATA[10]
GND
DATA[8]
DATA[14]
GPIO_44
VSSUSB GND
ADD[9]
ADD[5]
ADD[13]
ADD[12]
GND
ADD[3]
ADD[6]
ADD[8]
GND
DATA[15]
nWE
DATA[12]
DATA[11]
GPIO_45
nADV
GPIO_46
GND
ADD[14]
ADD[18]
ADD[10]
GND GND
ADD[17]
ADD[19]
nLWR
nHWR
nWAIT
nAUXCS1
GPIO_43
BURSTCLK
ADD[15]
ADD[16]
9
21
37
38
43
45
57
58
59
60
61 65
71
72
73
74
80
81
83
86 87
91
92
93
94
95
103
104
105
106
107
108
109 111
115
116
117
118
119
123
127
129
135
136
137
138
139
141
144 147
149
150
151
152
153
155
156
163
164
165
169
171
174
175
185
187
188
190
192
193
201
TP130
NC
NC
NC
NC
ADD[1]
ADD[2]
ADD[3]
ADD[4]
ADD[5]
ADD[6]
ADD[7]
ADD[8]
ADD[9]
ADD[10]
ADD[11]
ADD[12]
ADD[13]
ADD[14]
ADD[15]
ADD[16]
ADD[17]
ADD[18]
ADD[19]
ADD[20]
ADD[21]
ADD[22]
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]
ADD[1]
ADD[2]
ADD[17]
ADD[18]
ADD[19]
ADD[20]
ADD[21]
ADD[22]
ADD[16]
ADD[15]
ADD[14]
ADD[13]
ADD[12]
ADD[11]
ADD[10]
ADD[9]
ADD[8]
ADD[7]
ADD[6]
ADD[5]
ADD[4]
ADD[3]
[Not use]
[LCD Controller /CS]
[Camera /CS]
[Not use]
[Not use]
[Sound_IC /CS]
[/UBS]
[/LBS]
[LCD Controller /Wait]
[Not use]
harge LED]
[Not use]
()
R171
100
R178
100
R187 470K
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.