Chapter 6. Circuit Schematics And Parts Layout - Sharp FO-475TH Service Manual

CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT

D0
144
D0
D1
143
RA5
D1
270x4
D2
142
D2
D3
141
D3
D4
139
D4
D5
138
D5
D6 137
RA4
D6
270x4
D7
136
D7
130
TSTCLK
SYSCLK 133
(3-2G)
SYSCLK
MIRQ
R107 R117 135
(3-3B)
MIRQ
10K 10K
131
RESET
129
DEBUG
58
R108
TEST
10K
7,134
VSS
132
VSS
95,108
VSS
64,88
VSS
53,56
VSS
45
VSS
28
VSS
21
VSS
14
VDD
32
VDD
41
VDD
48
VDD
81
VDD
102
VDD
123
VDD
140
VDD
68
ADXG
69
ADGA
72
ADGD
70
+5V ADVA
DG
C217
DG
100P
DG
C202
6 – 1
61
BATRST
63
VBT
VBAT
C131 2200P
62
RESET
PWRDWN
60 C153 22P
XOUT
X3
32.768kHz
59
XIN
C154 22P
71 +VREF
+VREF
66
–VREF
–VREF/CLREF
67 VIN
VIN
65
THADI
THADI
119 BZOUT
TONE
C130 100P
106 TPA
SM0
105 TPB
SM1
104
TPA
SM2
103 TPB
RA2
SM3
270 x 4
C105
DG
C106
DG
C103
DG
C102
DG
N.M.
118 VREFCONT
GPO0
117
BZCONT
GPO1
116 GAINC
RA1
GPO2
470x4
115
TXCONT
GPO3
114 C145
VDRAM
+5V
C146
C149
C147
52
KEN1A
OPI0
51
KEN2A
OPI1
50
RA6 KEN3A
OPI2
470x4
49
KEN4A
OPI3
55
LEDCTL
R221 0
54 L107 68
LCDCS
47
R194 470 SEN0
OPO0
46 SEN1
OPO1
44
SEN2
OPO2
43
RA7 SEN3
OPO3
470 x 4
42 SEN4
OPO4
40
GPO13/OPO5
39 C150
GPO14/OPO6
38 C170
GPO15/OPO7
C173
C172
C171
C152
C192
DG
C193
DG
C174
DG
C175
DG
C212
DG
C190
DG
C191
DG
UX-258TH
FO-475TH
(4-1D)
(5-4D)
(5-4D)
(5-5D)
(5-2H)
(6-1H)
(5-5F)
(5-5F)
(5-5F)
(5-5F)
(5-2A)
(6-3H)
(6-4A)
(6-6A)
CNPN-4
CNPN-3
CNPN-2
CNPN-1
E
CNPN-10
CNPN-15
CNPN-14
CNPN-13
CNPN-12
CNPN-11
DG