Read Sharp ER-A460 (serv.man2) Service Manual online
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
+5V
10K
+5V
10K
470P
PFJO
/S
T
A
M
P
O
/RES
TRG
PFRO
/ACUTO
/VPF0
C69
0.01u
NU
NU
NU
NU
+5V
NU
C98
RF
1
JF
2
PCUT
3
FCUT
4
VF
5
ST
AM
P
6
SLF
7
SLRS
8
SLPMTD
9
RES
10
TRG
11
TRG
12
INT0
13
INT1
14
HTS1
15
SCK1
16
STH1
17
RASVZ
18
N.U
19
VCC
20
VSS
21
IN
T
M
C
R
22
VRESC
23
SLTMG
24
SLRST
25
AS
26
RD
27
WR
28
PHAI
29
SDT6
31
SDT5
32
VSS
33
SDT4
34
SDT3
35
SDT2
36
SDT1
37
D0
38
D1
39
D2
40
D3
41
VSS
42
D4
43
D5
44
D6
45
D7
46
RESET
48
SSPRQ
47
INT2
49
INT3
50
RXDI
51
TXDI
52
SCK1
53
IRQ0
54
A0
55
A1
56
A2
57
A3
58
A4
59
A5
60
EXINT0
120
EXINT1
119
EXINT2
118
EXINT3
117
WR0
116
RD0
115
RA15
114
RA16
113
VSS
112
RA17
111
RA18
110
EXWAIT
109
WAIT
108
MC
R
2
Z
107
MC
R
1
Z
106
DAX2
105
DAX1
104
RCI
103
IRRX
102
VSS
101
VCC
100
UATX
99
UARX
98
UASCK
97
IRTX
96
RCO
95
RCVRDY2
94
PTMG
83
TRGI
82
A23
81
LCDC
80
A22
79
A21
78
A20
77
A19
76
A18
75
A17
74
A16
73
A15
72
A14
71
A13
70
A12
69
A11
68
A10
67
A9
66
A8
65
A7
64
A6
63
VCC
62
VSS
61
PRST
84
RCVRDY1
93
MA19
92
MA18
91
MA15
90
TEST
89
MD0
88
MD1
87
IPLON
86
INT4
85
SDT7
30
RASP
160
DOTEN
159
LCDWT
158
N.U
157
N.U
156
N.U
155
N.U
154
N.U
153
STH2
152
SCK2
151
HTS2
150
SLMTR
149
SLMTS
148
SLMTD
147
RJMTR
146
RAS3
145
NU
144
VSS
143
VCC
142
SYNC2
141
SYNC1
140
DOT8
139
DOT9
138
RJMTD
137
RJMTS
136
DOT5
135
DOT6
134
D0T7
133
VSS
132
DOT1
131
DOT2
130
DOT3
129
DOT4
128
RJTMG
127
RJRST
126
RAS1
125
RAS2
124
ROS2
123
ROS1
122
OP
T
C
S
121
IC7
G.
A
(MP
CA
6
)
NU
NU
NU
NU
NU
NU
NU
NU
+5V
PE
DOT5
DOT8
DOT9
ASK
C104
/MTD
NU
NU
NU
NU
NU
NU
NU
C99
C100
C101
C102
RA6
6-10K
/POFF
/KRQ
HTS
/SCK
STH
VRESC
/AS
+5V
10K
330P
/RD
/WR
#
D(0~7)
NU
NU
NU
NU
NU
NU
NU
C70
C71
C72
C73
C74
C75
DOT6
DOT7
DOT1
DOT2
DOT3
DOT4
RJTMG
RJRST
RAS1
RAS2
/ROS2
/ROS1
/OPTCS
/EXINI0
/EXINI1
/TRQ1
/TRQ2
/WR0
/RD0
/EXWAIT
C81
100P
/WAIT
+5V
10K
C76
C77
C78
C79
C80
RA7
RA8
(6-12K)X2
NU
NU
NU
NU
NU
R50
R51
NMI
/RESET
RXD2
TXD2
SCK2
/IRQO
A(0~23)
NU
NU
/UARX
UASCK
#
/UATX
IRTX
RCO
Q15
A1266
R85
3.3K
R87
(10K)
VCC
C103
J
IRDA
/IPLON
/PRST
/PTMG
TRGI
R77
R78
NU
NU
NU
NU
C97
0.1u
+5V
C95
0.1u
C96
10u
50V
(3
-8
A
)
(3
-7
C)
(3
-8
B
)
(3
-8
B
)
(3
-7
A
)
(7
-7
A
)
(7
-7
A
)
(4-
8C)
(3-
7C)
(7
-7
A
)
(1
-2
C
) (5
-7
D
)
(1-2
C) (5-
7D)
(2
-3
B
)
(1
-7
C
)
(1
-6
C
)
(5
-4
A
)
(1
-2
C
)
(1
-2
C
)
(1
-2
C
)
(1
-2
C
)
(1-
6B)
(4-
5C)
(3
-7
B
)
(3
-7
B
)
(3
-5
B
) (
3
-5
C
)
(3
-7
C
)
(3
-7
C
)
(3
-7
C
)
(3
-7
C
)
(3
-7
C
)
(3
-7
C
)
(3
-7
C)
(3
-6
D
)
(3-
6B)
(5
-6
B
)
(5-
5B)
(5
-3
B
)
(5
-8
B
)
(7
-7
C
)
(7
-7
B
)
(7
-7
B
)
(7
-7
B
)
(7
-7
B
)
(7
-7
D
)
(7
-7
D
)
(7
-7
B
)
(1-
6B)
(2
-7
C
)
(1
-2
C
)
(1
-2
C
)
(1-
2C)
(1-
2B)
(7
-7
B
)
(1
-2
B
)
(1
-2
A
)
(1
-2
B
)
2/
7
G
a
te
ar
ra
y
(M
P
C
A
6
)
MT
D
– 42 –
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