Chapter 6. Circuit Schematics And Parts Layout - Sharp UX-470 Service Manual

UX-470ES/SE/AT
FO-880ES/AT

CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT

D0 144
D1
143
RA4
D2 270 x 4
142
D3
141
D4
139
D5 138
D6
RA3 137
270 x 4
D7
136
130
SYSCLK 133
(1-2I)
MIRQ 135
R132
(3-2A)
30K
R177 129
+5V
10K
131
C171
1000P
R176
10K
C156 7,134
1000P
C155
1
132
C154
1000P
C153
1
95,108
C151
1000P
C150
1
64,88
C170
1000P
C183
1
53,56
C187
C186
1000P
1
C189
1000P
C190
1
C191
1000P
C192
1
C172
1000P
102
123
140
+5V
D0
D1
D2
D3
D4
D5
D6
D7
TSTCLK
SYSCLK
MIRQ
DEBUG
RESET
58
TEST
VSS
VSS
VSS
VSS
VSS
45
VSS
28
VSS
21
VSS
14
VDD
32
VDD
41
VDD
48
VDD
81
VDD
VDD
VDD
VDD
68
ADXG
69
ADGA
72
ADGD
70
ADVA
C217
C215
C213
C212
6 – 1
X2
19.66MHz
61
BATRST
63
VBT
VBAT
C188 2200P
62
RESET
PWRDWN
C185 22P
60
XOUT
X3
32.768kHz
59
XIN
C210 22P
71
+VREF
+VREF
66 –VREF
–VREF/CLREF
67 VIN
VIN
65
THADI
THADI
119 BZOUT
TONE
106 TPA
SM0
105
TPB
SM1
104 TPA
SM2
103
TPB
SM3
C134 1000P
C135 1000P
C136 1000P
C137 1000P
118 RXCONT
GPO0
117 BZCONT
GPO1
116
RA2 GAINC
GPO2
470x4
115 TXCONT
GPO3
114 C115 2200P
VDRAM
+5V
C116 2200P
C117 2200P
C129 2200P
52 KEN1A
OPI0
51
RA13 KEN2A
OPI1
470x4
50
KEN3A
OPI2
49
KEN4A
OPI3
55
LEDCTL
54
L110
LCDCS
HM601
47
SEN0
OPO0
R238 100
46
SEN1
OPO1
44
SEN2
OPO2
43
RA14 SEN3
OPO3
100x 4
SEN4
42
OPO4
40
OPO5
39
OPO6
38
OPO7
C142 68P
C164 68P
C165 68P
C144 68P
C145 68P
C193 68P
C194 68P
C195 68P
C196 68P
C158 68P
C157 68P
C174 68P
(2-1I)
(5-1D)
(5-1D)
(5-5D)
(5-1I)
(6-1I)
C175
1
(5-5F)
(5-5F)
(5-5F)
(5-5F)
(6-6A)
(6-3I)
(6-5A)
(6-5A)
CNPN-4
CNPN-3
CNPN-2
CNPN-1
CNPN-10
CNPN-15
CNPN-14
CNPN-13
CNPN-12
CNPN-11