Chapter 6. Circuit Schematics And Parts Layout - Sharp FO-90 Service Manual

CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT

D0
D1
D2 RA3
270 x 4
D3
D4
D5
D6
RA4
270 x 4
D7
SYSCLK
(3-2A)
MIRQ R100 33K
(3-3B)
R108 33K
R107 33K
C205
C200
C197
144
D0
143
D1
142
D2
141
D3
139
D4
138
D5
137
D6
136
D7
130
TSTCLK
133
SYSCLK
135
MIRQ
131
RESET
129
DEBUG
58
TEST
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
ADVA
70
C220
C222
C217
C218
6 – 1
61
63
VBAT
VBT
C175
2200P
62
PWRDWN
C177
22P
60
XOUT
X2
32.768kHz
59
XIN
C176
18P
71 +VREF
+VREF
66 –VREF
–VREF / CLREF
67 VIN
VIN
65 C178 THADI
THADI
1
119 BZOUT
TONE
106 TPA
SM0
105 TPB
SM1
104 TPA
SM2
103
TPB
SM3
C107 1000P
C108 1000P
C109 1000P
C110 1000P
118 VTHON
GPO0
117 RCVOL
GPO1
116 RA2 LEDON
GPO2
470 x 4
115
MDMRST
GPO3
114
VDRAM
+5V
52 KEN1A
OPI0
51 KEN2A
RA14
OPI1
470 x 4
50 KEN3A
OPI2
49 KEN4A
OPI3
55
R169
LEDCTL L108
120
54 HM601 E
LCDCS
47 SEN0
OPO0
46 SEN1
OPO1
44 SEN2
RA15
OPO2
470 x 4
43 SEN3
OPO3
42 SEN4
OPO4
40 SEN5
OPO5
39 SEN6
OPO6
38 SEN7
CA2
CA1
C180 22P
DG
C181 22P
DG
C139 22P
DG
C140 22P
DG
C194 22P
DG
C193 22P
DG
C179 22P
DG
FO-90RA
(5-2D)
(5-2D)
(5-6D)
(5-1I)
(6-1G)
(5-5F)
(5-5F)
(5-5F)
(5-5F)
DG
DG
DG
DG
(5-5F)
(6-3C)(6-5E)
(5-5F)
(3-2B)
CNPN-16
CNPN-15
CNPN-14
CNPN-13
CNPN-4
CNPN-5
CNPN-6
CNPN-7
CNPN-8
CNPN-3
CNPN-9
CNPN10
CNPN-11