Service manual
FO-IS125N
6 – 12
12. SmartDAA4 Line Side Device (LSD) Block (11/12)
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
6 6
5 5
4 4
3 3
2 2
1 1
E
S
AGND_LSD
AGND_LSD
AGND_LSD
AGND_LSD
AGND_LSD
DGDG
AGND_LSD
AGND_LSD
AGND_LSD
ARG
AGND_LSD
DG
+24VH
PDIB_P
PDIB_N(10-3D)
(10-3D)
L1
T1
T2(11-2D)
(11-2E)
(11-2D)
(11-2E)
L2
EXRLY(10-2D)
T1
L1L2(11-2E)
(11-3E)
T2
(11-3E)
(11-1E)
TNV (Telephone Network Voltage) circuits.
EX-T1 EX-T2
R1106
280-F (5025)
TP1101
TEST
12
DIBN
16
PWR
15
AVDD
2
DIBP
14
DVDD
1
VC
3
EP
17
EIF
9
EIO
10
RXI
6
EIC
11
TAC
5
RAC
4
TXO
8
TXF
7
GPIO
13
IC1100
CX20548-11Z
1 2
L1100
MMZ1608Y 102B(1608)
TP1119
C1113
470p/250V (5728)
TP1103
R1104
237K-F (2012)
L1
1
L2
2
C
3
M
5
B
4
RLY1100
N.M.(OUAZ-SH-124DZ,405)
B
E
C
Q1104
N.M.(RN1406)
R1107
280-F (5025)
C1104
0.01u/250V (2012)
RA501P-C6
AR1103
C1105
0.1u-K (1608)
C1110
0.1u-K (1608)
C1110
0.1u-K (1608)
TP1105
R1100
0 (1608)
TP1106
-
+
S1ZB60
REC1100
R1101
6.81M-F (2012)
TP1111
R1109
280-F (5025)
TP1114
1 2
L1101
MMZ1608Y 102B(1608)
TP1102
TP1100
R1115
3.01-F (1608)
C1103
0.1u-K (1608)
R1110
0 (1608)
R1117
110 (1608)
C1112
470p/250V (5728)
C1108
150p
R1103
6.81M-F (2012)
TP1120
C1114
N.M. (470p/250V (4520))
41
32
T1100
MODEM-SMAR
C1102
0.1u-K (1608)
Q1101
2SC4548
TP1115
A
K
D1101
N.M.(1SS352)
1
3
5
2
4
6
CNLNJ
R41-6813A
TP1116
TP1109
TP1117
C1106
0.047u/250V (3216)
RA501P-C6
AR1102
Q1100
2SC4548
R1102
150K-F (1608)
R1108
280-F (5025)
C1111
0.1u-K (1608)
R1119
N.M. (0(1608))
TP1108
TP1112
TP1110
TP1104
R1113
3.01-F (1608)
C1107
47p/50V (1608)
Q1102
2SC4548
RA391P-V6
AR1101
1
3
5
2
4
6
CNTLJ
N.M. (R41-6813A)
TP1107
R1111 100 (1608)
Q1103
2SC4548
TP1113
R1118
9.1-F (3225)
C1109
150p
TP1118
VA1100
TND05V-331KT( TND05V-331KB)
SmartDAA4 Line Side Device (LSD) Block
11/12
LSD