Sharp AR-FX7 Service Manual page 99

Digital multifunctional system option
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VR EF
R399
1M
TP522
R131
6.2K
3
X
VSEL
16
VDD
C150
F0.1u/16
7
VEE
8
VSS
CF
GN D
5VS
+5VS
K
R206
R210
R520
10K
10K
10K
AK
R205
A
10K
D19
DA204K
GN D
R562
100
MDM_ARXD
RGDT-
AFERES-
MDM_ABITCLK
SPOUT
SI3OUT
HS2-
LIU ID
IC 24E
14
11
10
UTE-
7
TC74LCX04FT
MDMCLK
CI ON
MDM_ATXD
MDM_ASPCLK
CI D2 -
CML
EC
150VON-
IC20D
IC 20E
14
14
TP144
8
9
10
11
7
7
74LCX04FT
TC74LCX04FT
2
+5V
R198
R(NM)
TP27
C229
F0.1u/16
R201
R202
TP533
TP531
0
TP532
3.3K
TP534
+5V
R204
Q10
22K
DTC363EKA T146
MUTE
B
C
SPMUTE
GN D
+3.3V
R1051
75K
R207
R209
R(NM)
10K
R208
R211
R526
10K
10K
10K
C405
C(NM)
BR108
MNR04 2.7K
GN D
GN D
2
AR-FX7 ELECTRICAL SECTION 11 - 22
C228
B1000/50
TP535
TP536
R199
100K
R200
430K
4
2
5
TP28
3
IC 43
NJM2113M
TP537
C231
C232
A4.7u/50
A4.7u/50
GN D
DAA (JAPAN)
DAA
GN D
GN D
(EXCEPT JAPAN)
1
DG
DG
2
DG
DG
3
+3.3V
+3.3V
4
+5VS
+5VS
5
+24 V
+24 V
6
ARX D
ARXD
7
RGDT -
RGDT -
8
nAFERES-
nAFERES-
9
ABITCLK
ABITCLK
10
AOUT
AOUT
11
SI3OUT
Not use
12
CID -
CID -
13
SON
SON
14
HS2-
HS2-
15
LIUI D
LIUI D
16
+5V
+5V
17
AG
AG
18
HNDMUTE
Not use
19
AG
AG
20
DG
DG
21
MCLOCK
MCLOCK
22
EXHS-
EXHS-
23
CIO N
CION
24
ATXD
ATXD
25
ASPCLK-
ASPCLK-
26
CID2 -
LIUID2
27
MRON
MRON
28
ECON
Not use
29
HS1 -
Not use
30
150VON-
Not use
+3.3V
+5VS
C237
C238
F0.1u/16
F0.1u/16
C234
A33u/10
C235
A47u/16
BR109
BR110
GN D
MNR04 2.7K
MNR04 2.7K
1
+5V
C2 27
A4.7u/50
SP OUT
GN D
C230
CN9
A10u/16V (NP)(NM)
B3B-PH-K-S
SP+
TP1096
1
1
2
2
3
3
R203
0
SP-
AFE (JAPAN)
AFE
(EXCEPT JAPAN)
DG
DG
DG
DG
+3.3V
+3.3V
+5VS
+5VS
+24 V
+24V
ARXD
ARXD
MPXA
MPXA
RGDT- MPXA
nAFERES-
nAFERES-
It changes by CPU setup.
ABITCLK
ABITCLK
AOUT
AOUT
EXTMSG_DPMUTE
EXTMSG_DPMUTE
CID -
CID-
DAA: Not use, AFE (JAPAN): EXTMSG
SON
SON
AFE (EXCEPT JAPAN): DPMUTE
HS2-
HS2-
LIUID
LIUID
+5V
+5V
AG
AG
DPON
DPON
AG
AG
DG
DG
DAA: Not use, AFE DPON
MCLOCK
MCLOCK
EXHS-
EXHS-
CION
Not use
ATXD
ATXD
ASPCLK-
ASPCLK-
AFE (EXCEPT JAPAN): Not use
LIUID2
LIUID2
MRON
MRON
ECON
Not use
HS1-
HS1-
150VON-
Not use
JAPAN: CION, EXCEPT JAPAN: Not use
DAA(EXCEPT JAPAN): Not use
JAPAN: 150VON- EXCEPT JAPAN: Not use
+5V
+24V
DAA(JAPAN)
CN6
1
DG
2
DG
3
+3.3V
4
+5VS
5
+24V
R349
100
6
ARXD
R535
0
7
RGDT-
R365
0
8
nAFERES-
R351
0
9
ABITCLK
R355
0
10
AOUT
R536
0
11
SI3OUT
R537
0
12
CID-
R538
0
13
SON
R539
0
14
HS2-
R540
0
15
LIUID
16
+5V
17
AG
R546
0
18
HNDMUTE
19
AG
R357
0
20
DG
R361
0
21
MCLOCK
R359
0
22
EXHS-
R541
0
23
CION
R363
0
24
ATXD
R353
100
25
ASPCLK-
R542
0
26
CID2-
R410
0
27
MRON
R543
0
28
ECON
R544
0
29
HS1-
R545
0
30
150VON-
TX25-30P-6ST-H1
C239
F0.1u/16
C236
A47u/16
GN D
GN D
1
10/10
D
C
B
A

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