
UX-A260U
TEL/LIU PWB circuit
2/3
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
DG
DG
DG
DG DG
DG
DG
DG
DG
Vref_A
Vref_A
Vref_A
DG
DG
HSDG
Vref_A
Vref_A
Vref_B
DG
DG
Vref_B
CNLIUA-5
CNLIUA-14
CNHJ-3
CNLIUA-7
CNHJ-2
CNLIUA-6
CNHJ-4
CNHJ-1
CNLIUA-8
CNLIUA-4
IN/OUT
B
B
TELMUTE
(3-2A)
TXO
RXIN
TELOUT
TELIN
UT
( 1-1D)
C139
N.M.
D101
1N4148
R123
1k
JP1
J.P.
IC101B
NJM2902
-
6
+
5
O
7
R103
3.3k
C132
N.M.
R109
24k
C117
220p
C123
N.M.
Q105
2SC3052
B
CE
C111
33p
C110
N.M.
R106
39k
R108
15k
C140
2200p
C107
N.M.
E
Q106
RT1N436
B
C
C120
N.M.
R120
13k
R125
1.5k
C136
R116
3.6k
R129
C108
1000p
C133
R14
150(1/4W)
R113
620
E
Q104
RT1N436
BC
R127
C135
N.M.
C125
0
JP8
N.M.
R130
8.2k
JP4
N.M.
C126
470p
C112
820p
C113
N.M.
R134
N.M.
N.M.
C127
N.M.
ZD1
HZ9C3
C116
1000p
C119
0.1u
+
C12
4.7u/50V
Q103
RT1P141C
B
CE
C131
N.M.
R119
8.2k
IC101C
NJM2902
-
9
+
10
O
8
C104
N.M.
R114
0
R107
22k
C134
0.1u/16V
R115
3.3k
C128
N.M.
D100
1N4148
L4
LSHSR02C-001
C130
220p
C114
N.M.
L1
N.M.
C129
N.M.
L8
LSHSR02C-001
C138
N.M.
R121
8.2k
R118
1K
R131
1k
+
C6
22u/50V
IC101A
NJM2902
-
2
+
3
O
1
C118
1000p
R122
220k
C100
N.M.
R128
R126
3.3k
IC101D
NJM2902
-
13
+
12
O
14
R117
82K
+
C8
10u/50V
R102
0
R105
0
R110
16k
R104
3.3k(2125&1608)
C124
NOT MOUNTED
RX-
RX+
MICMUTE
TX-
TX+
6 – 10
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