Sharp AR-FX7 Service Manual page 85

Digital multifunctional system option
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IC 14
A13
D3 1
19
49
A11
I/O15
A12
D3 0
20
48
A10
I/O14
A11
D2 9
32
46
A9
I/O13
A10
D2 8
31
45
A8
I/O12
A9
D2 7
30
43
A7
I/O11
A8
D2 6
29
42
A6
I/O10
A7
D2 5
28
40
A5
I/O9
A6
D2 4
27
39
A4
I/O8
A5
D2 3
24
12
A3
I/O7
A4
D2 2
23
11
A2
I/O6
A3
D2 1
22
9
A1
I/O5
A2
D2 0
21
8
A0
I/O4
D1 9
6
I/O3
D1 8
5
I/O2
D1 7
3
I/O1
D1 6
35
2
A M
CLK
I/O0
34
KE
CKE
18
1
S3-
CS
VCC
17
7
3L-
RAS
VCC
16
13
L-
CAS
VCC
15
25
WR-
WE
VCC
14
38
MUL
LDQM
VCC
36
44
MUU
UDQM
VCC
TP889
33
NC
TP888
37
4
NC
GND
C4 7
10
GND
26
F0.1u/16
GND
41
F0.1u/16
GND
47
GND
50
GND
W981616BH
2.0B
R1061
+3.3V
1234
0
TP1235
R290
1K
Q12
VBT3.3
MMBTA56
D2 6
1SS355(NM)
Q11
KTC3875
D1 4
R1058
RLS-73(NM)
20K
+3.3V
C4 9
A10u/16
C4 8
GN D
+3.3V
+5V
C5 3
C5 5
A10u/16
A10u/16
GN D GN D
D1 0
+3.3V
RB751V-40(NM)
D3
1SS355
TP1135
D23
1SS355(NM)
R1057
0
C_BT
AR-FX7 ELECTRICAL SECTION 11 - 8
B
JP 4
SD00415- 52(NM)
1
2
R7 4
R7 5
82K
1.6K
TP1007
R7 8
1.6K
TP1008
BT1
CR2477- H01
TP1009
TP1136
R8 0
0
GN D
Q2
DTC363EKA T146
C_BT
B
C
GN D
B
R555
0
IC 93
2
1
VCC
OUT
4
3
GND
NC
PST3426
GN D
+5V
+5V
R7 0
R(NM)
R507
R(NM)
TP421
3
+
1
TP1134
2
-
IC 16A
R508
KIA393F (NM)
R7 6
R(NM)
R(NM)
C5 8
C(NM)
GN D
GN D
6
-
7
TP378
5
+
IC 16B
KIA393F (NM)
GN D
3/10
B
R556
0
TP1137
L_BT-
R557
R(NM)
A

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