Sharp A260 Service Manual - Page 51

TEL/LIU PWB circuit

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justmanuals.com UX-A260U + 6 - 10 5 4 3 2 1 TEL/LIU PWB circuit IN/OUT D ( 1-1D) R113 620 R114 0 C123 N.M. C126 470p R117 82K IC101A -2 1O +3 NJM2902 DG C132 N.M. C127 C114 N.M. N.M. R130 C134 B 8.2k 0.1u/16V R116 3.6k R131 1k + C8 10u/50V C125 0 Vref_A R115 3.3k NOT MOUNTED DG DG DG R127 C100 N.M. R102 0 2/3 TXOUT CNLIUA-8 D C111 33p R129 C133 R128 C124 C Vref_A CNHJ-4 TX+ B CNHJ-1 TX- CNLIUA-4 MICMUTE RX+ CNHJ-2 A CNHJ-3 RX- C140 2200p C139 N.M. R125 Vref_A Q103 C E RT1P141C Vref_A R106 39k R109 24k R107 22k C107 N.M. C110 C113 N.M. N.M. R108 15k IC101B 6O7 5+ NJM2902 C112 DG DG DG 820p R103 3.3k ZD1 HZ9C3 RXIN CNLIUA-7 C DG R123 1k C120 N.M. C6 22u/50V B 1.5k JP4 N.M. L4 LSHSR02C-001 + DG C119 0.1u Vref_B DG R118 1K C117 220p C108 1000p R110 16k IC101C 9O8 10 + NJM2902 R105 0 B TELOUT CNLIUA-14 B C104 N.M. R104 3.3k(2125&1608) C116 1000p C118 1000p Q106 RT1N436 B C E C138 N.M. JP8 N.M. L8 LSHSR02C-001 JP1 J.P. Vref_A C12 4.7u/50V D101 1N4148 D100 1N4148 C135 N.M. R14 150(1/4W) E C DG Q105 2SC3052 B C136 N.M. R134 N.M. R126 3.3k Q104 RT1N436 C B E C130 220p R122 220k IC101D - 13 14 O + 12 NJM2902 C128 N.M. C129 N.M. C131 N.M. R121 8.2k DG R120 13k R119 8.2k Vref_B TELIN CNLIUA-5 TELMUTE CNLIUA-6 A L1 N.M. HSDG DG (3-2A) 5 4 3 2 1

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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
C
E
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
B
C
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
C
E
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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