Chapter 6. Circuit Schematics And Parts Layout - Sharp FO-1470 Service Manual

CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT

270
9 RA
D0 5
4
D1
3 6
D2
2 7
D3
1 8
D4 4 5
D5 6
3
D6
2 7
D7 1 8
270 10 RA
(4-1B) RESET0
1000P
<K>
C148
<M>
2.2
C146
2.2
C147
2.2
C134
2.2
C141
C161
2.2
2.2
C160
2.2
C159
2.2
C158
2.2
C157
5
D0
4
D1
3
D2
2
D3
176
D4
175
D5
174
D6
173
D7
105
RESET
151
TETCLK
152
DEBUGN
17
VSS
41
VSS
58
VSS
106
VSS
121
VSS
158
VSS
150
VSS
1
VSS
172
VDDPLL
161
VDD
139
VDD
119
VDD
91
VDD
50
VDD
28
VDD
12
VDD
90
IVREFP
89
IVREFN
87
ADXG
82,85
ADGA
86
ADVA
BATREST 78
VBAT 71
PWRDWN 80
INTPWRDOWNE 79
XOUT 73
XIN 72
+VREF 88
-VREF/CLREF 83
VIN 84
THADI 92
ALTTONE/GPIO20 33
TONE 120
VDRAM 66
SM0 169
1
SM1 168
2
SM2 167
3
SM3 166
4
OPI0 104
OPI1 103
OPI2 102
OPI3 101
LEDCTL 59
LCDCS 61
L107
OPO0 100
OPO1 99
OPO2 98
OPO3 97
OPO4 96
OPO5 95
OPO6 94
OPO7 93
C110
C109
C113
C112
C132
C133
C131
C164
C163
C152
C144
C178
C179
C177
6 – 1
VBAT
PWRDWN
(4-2D)
N.M.
R114
10K
R131
32.768kHz
VIN
(6-3F)
THADI
(6-3F)
1
C138
BZOUT1
(6-3I)
BZOUT2 (6-3I)
C155
0.1
C156
C172
C135
C173
TPA
8
TPB
7
TPA
6
TPB
5
1000P
C143
1000P C149
1000P C150
1000P C151
8
1
2 7
3 6
4 5
0
C121
C122
C123
C124
C145
C120
UX-510UA
FO-1470U
(5-4F)
(5-4F)
(5-5F)
(5-5F)