Service manual

UX-A1000U
Analog signal block/RF interface 6/7
6 – 6
A A
B B
C C
D D
E E
F F
G G
H H
I I
6 6 5 5 4 4 3 3 2 2 1 1
MAG
MAG
MAG
+3.3V
DG
+5V
DG
DG
MAG
MAG
+3.3V
MAG
MAG
MAG
DG
+3.3V
DG
+3.3V
DG
DG
MAG
C114
0.1u/16V-K
R114 1.5M
L1 0
C143
1u/10V
R4 100K
R200
BLM18HG102SN1D
C138
R130
20K
C167
0.1u/50V-K
Q101
RT1N141C
B
C
E
C284
R110 200K
Q105
B
C
E
C142
C116
0.01u/50V
R115
N.M.
2 1
53 4
IC9
R128
15K
A C
X0 X1 X2 X3 X4 X5 X6 X7
X B
VDD
GND
VEE
E-
IC3
LV4051
16 7 11 10 9 6 313
14 15 12
1 5 2 4
8
C166
0.1u/16V-K
C285
C137
1u/10V
R5 100K
C278
– +
NJM2113
IC8
5
4 3 2
1
7
8
6
R109 24K
C286
C113
0.1uF/50V
R113 470K
C279
C13 0.1u/50V
C186 1u/10V-K
C187
0
R111 120K
C287
N.M.
N.M.
C280
C192 1u/10V
R155
1M
C2
47u/25V
12
R204
Q102 RT1N141C
B
C
E
C14 470p/50V
R154 7.5K
C281
R129 13K
R178 39K
C191
0
ZD100
N.M.
N.M.
D102 1SS355
R131 220K
R156
0
C282
R132 1K
R152
C115
4700p/50V
R202
R151
R153 3.9K
R203
D104
1SS355
Q103
RT1N141C
B
C
E
R127
3k
C184
1u/10V-K
C283
R112 51K
Q104
B
C
E
SPMUTE
CNLIUA-4
BZOUT1
CNSP-1
RCVOL DTMFMUTE
TELOUT1
SIGTX
SIGTX
SIGRX
CNSP-2
W-T
(3-4A)
(3-2H)
(3-3H)
(1-1F)
ONE
CNLIUA-6
RXIN
TELOUT
SPOUT
CML
CNLIUA-7
VOLB
SIGMUTE
TXOUT
CNLIUA-8
VOLA VOLC
RCVOL
(3-5A)
(3-3H)
(3-4A)
(3-5A)
(3-5A) (6-5E)
TELIN
(3-2H)
(6-3E)
(3-5A)
(3-2A)
(3-5A)
(3-2A) (3-2A)