Sharp AR-FX7 Service Manual page 97

Digital multifunctional system option
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3
+3.3V
C261
F 0.1u/16
IC 78B
G N D
TC74LCX74FT
12
9
C D 2REQD
D
Q
11
CLK
8
Q
IC 80A
G N D
3
TC74LCX08FT
+3.3V
C262
F 0.1u/16
IC 81B
G N D
TC74LCX74FT
12
9
C D 2REQC
D
Q
11
CLK
8
Q
.3V
C 263
F 0.1u/16
G N D
G N D
11
IC 80D
TC74LCX08FT
N D
+3.3V
IC 86A
2
5
D
Q
3
CLK
6
Q
TC74LCX74FT
R 565
R(NM)
R 564
33
TP1244
3
2
R1045
IC 79A
33(1608)
IC 80B
R1049
1
33(1608)
4
6
2
5
TC74LCX32FT
TC74LCX08FT
IC 79B
R1050
IC 80C
4
33(1608)
9
8
5
10
TC74LCX32FT
TC74LCX08FT
G C CH
2
AR-FX7 ELECTRICAL SECTION 11 - 20
+3.3V
IC 78A
R1046
TC74LCX74FT
R1044
33(1608)
33(1608)
3
2
5
D
Q
3
CLK
6
Q
+3.3V
IC 81A
R1047
TC74LCX74FT
33(1608)
6
2
5
D
Q
3
CLK
6
Q
IC 20F
14
R1040
33(1608)
13
12
7
TC74LCX04FT
1
9/10
IC 79C
R 1048
9
33(1608)
8
GDMA
10
TC74LCX32FT
IC 75B
R1041
33(1608)
4
6
C D 2REQD0
5
TC74LCX08FT
C 161
+3.3V
F 0.1u/16
R1043
G ND
33(1608)
12
11
C D 2REQD1
13
IC 75D
TC74LCX08FT
G N D
IC 75C
R1042
33(1608)
9
8
C D 2REQC0
10
TC74LCX08FT
IC 74
TP1111
1
3
A
QA
TP1110
2
4
B
QB
TP1109
5
QC
TP1108
6
QD
10
TP1107
QE
8
11
TP1106
CLK
QF
12
TP1105
QG
9
13
CLR
QH
C D 2REQC1
14
VCC
+3.3V
C 240
7
F 0.1u/16
GND
TC74VHC164FT
G ND
1
D
C
B
A

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