Service manual

AR-FX7 ELECTRICAL SECTION 11 - 20
4
4
3
3
D
C
B
A
SPOUT
GN D
GN D
GN D
GN D
GN D GN D
GN DGN D
VSEL
GN D
VR EF
VR EF
GN D
+5VS
GN D
GN D
GN D
VSEL
VSEL
VR EF
+5V +12V
VSEL
GN D
+5V
VR EF
+5VS
GN D
GN D
GN D
GN D
GN D
+5VS
GN D
GN D
GN D
+5VS
GN D GND GND
+5VS
GN DGN D
VOL[B]
VOL[A]
VOL[C]
VOLCNT[A]
VOLCNT[B]
BZ
SPOUT
MDM_
A
MDM_A
B
R
G
MDM_A
S
AF
E
C
MDM
_
1
5
S
P
C
MD
M
SI3
O
FAXWU-
CI
RHS
HS1
S
EXTRS
S_EN
C
E
HNDM UTE-
EXHS-
CID2-
FAX MAIN PWB (TEL/LIU IF)
R519
1K
C413
B1000/50
C323
F0.1u/16
C146
F0.1u/16
IC90A
TC74VHCT00FT
1
2
3
14
TP512
C412
B1000/50
TP511
R130 R(NM)
R128 56K
IC34
BU4051BCF
X0
13
X1
14
X2
15
X3
12
X4
1
X5
5
X6
2
X7
4
INH
6
A
11
B
10
C
9
X
3
VDD
16
VEE
7
VSS
8
IC92B
TC74VHC04FT
34
14
7
TP16
Q3
DTC363EKA T146
B
E
C
R1019 33
IC92D
TC74VHC04FT
9 8
14
7
R524 0
IC90C
TC74VHCT00FT
9
10
8
C153
C(NM)
TP10
IC89C
TC74LCX04FT
56
14
7
R525 0
R1018 33
Q4
DTC363EKA T146
B
E
C
ZD 1
UDZ2.0B
R126 10K
R516
1M
C127
B2200/50
TP517
R142 360K TP510
R385
R(NM)
R406
10K
R401
10K
TP153
CN8
B2B-PH-K-S(NM)
RHS
1
DG
2
C281
F0.1u/16
C411
B1000/50
R135 56K
R125 56K
IC92C
TC74VHC04FT
56
14
7
R132 5.1K
IC90B
TC74VHCT00FT
4
5
6
C404
A47u/16
TP521
IC89B
TC74LCX04FT
34
14
7
R133 10K
IC89A
TC74LCX04FT
12
14
7
TP21
C147
B4700/25
R517
0
C319
F0.1u/16
IC33
BU4052BCF
X
13
Y
3
X0
12
X1
14
X2
15
X3
11
Y0
1
Y1
5
Y2
2
Y3
4
INH
6
A
10
B
9
VSS
8
VEE
7
VDD
16
TP520
R141
10K
Q17
DTC114EKA T146
B
E
C
R137 33K
TP1243
Q20
DTC363EKA T146
B
E
C
TP13
TP509
TP19
TP518
R145
10K
IC92F
TC74VHC04FT
13 12
14
7
IC92A
TC74VHC04FT
12
14
7
R563
10K
R127 3.3K
TP11
TP12
IC90D
TC74VHCT00FT
12
13
11
Q5
DTC363EKA T146
B
E
C
R522 0
C155
C(NM)
R138 62K
TP514
Q19
DTC114EKA T146
B
E
C
IC20D
TC74LCX04FT
98
14
7
C154
C(NM)
Q16
DTC114EKA T146
B
E
C
TP17
Q6
DTC363EKA T146
B
E
C
IC92E
TC74VHC04FT
11 10
14
7
R136 18K
R403
10K
R129
1K
TP20
R140
10K
Q18
DTC114EKA T146
B
E
C
R386
0
R139 200K
D19 DA2
0
A
K
C148
F0.1u/16
R518
R(NM)
R146
10K
TP523
C149
F0.1u/16
R1017 33
Q7
DTC363EKA T146
B
E
C
R147
10K
TP519
R134 10K