UX-A255U
TEL/LIU PWB circuit
2/3
(1-1D)
RXIN
RX+
TXOUT
RX
–
(3-2A)
(3-2A)
TX+
(3-5D)
TX
–
(1-1D)
MICMUTE
TELOUT
(3-2A)
TELIN
TELMUTE
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
C142
0.1
DG1
R134
24K
C131
C135
ZD5
MTZJ10B
R121
3.6K
C136
N.M.
R133
22K
R137
3.3K
Vref B
HSDG
C134
DG1
C113
L1
C23
N.M.
+
C13
47/16
+
C115 8.2K
C103
220P
C102
1000P
Vref A
DG1
C133
C108
N.M.
R106
Q100
KTC3875GR
R136
39K
R103
0
Vref A
D2
N.M.
C140
L2
C116
C132
N.M.
R111
220K
C101
1000P
R109
8.2K
IC102
NJM2904M
–
+
C2
N.M.
+
C119
N.M.
(2-1B)
Vref A
Q102
KRC106S
C127
0
R126
Vref B
C22
N.M.
+
ZD7
MTZJ10B
Vref A
R104
3.3K
IC102
NJM2904M
–
+
C138
N.M.
IC101
NJM2904M
–
+
C129
N.M.
Q6
KRA102M
Vref A
Q106
N.M.
JP29
N.M.
C4
22/50
+
(2-3D)
JP30
N.M.
R107
1K
C1
22/50
+
JP31
C143
0
C112
2200P
N.M.
A
R132
0
IC101
NJM2904M
–
+
C144
1
C100
N.M.
IN/OUT
R120
3.3K
R125
1K
C145
1
R112
1.5K
C139
33P
R127
0
R110
13K
DG1
C106
N.M.
C105
N.M.
R124
620
R100
3.3K
Q101
KRC106S
E
D1
C137
820P
L3
N.M.
R105
150
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
CNLIUA-8
CNHJ-3
CNLIUA-4
CNHJ-4
CNLIUA-7
CNHJ-1
CNHJ-2
CNLIUA-5
CNLIUA-6
CNLIUA-14
7
6
5
1
2
3
1
2
3
7
6
5
C
(3-2A)
(3-2A)
R131
R130
R122 82K
C130 33P
R142 8.2K
R135 15K
C117 220P
R102 16K
C109 1000P
R101
1K
C104
0.1
D
S
G
N.M.
N.M.
6 – 10
Содержание UX-A255U
Страница 47: ...UX A255U Control PWB parts layout Top side 6 7 ...
Страница 48: ...UX A255U Control PWB parts layout Bottom side 6 8 ...
Страница 52: ...UX A255U TEL LIU PWB parts layout Top side 6 12 ...
Страница 53: ...UX A255U TEL LIU PWB parts layout Bottom side 6 13 ...
Страница 55: ...UX A255U Power supply PWB parts layout Top side 6 15 Power supply PWB parts layout Bottom side ...