Service manual

UX-340L/UX-345L
UX-330L
Analog signal block 6/6
6 – 6
1
2 6
4
3
5
BDEFG
I
HCA
BDEFG
I
HCA
1 2
6
4
3
5
–
+
–
+
–
+
–
+
R179
5.1K
R178
1M
DG DG
Q102
RNC1402
RCVOL
(3-1D)
RCVOL
(3-1D)
12
14
13
TELOUT
CNLIUA-1
R217
86.6K
C181
680P
C178
1
IC11
4053
VREF
TXCONT
(1-1D)
0
1
8
9
10
IC12
2902
R200
20K
+5V
R218
3.3K
C198
1
+5V
16 7 8
IC11
4053
C176
0.1
SIGTX
(3-3H)
R197
1K
R193
R194
1K
C179
0.1
N.M.
DG
R199
17.4K
R219
10K
C177
1
TXOUT
CNLIUA-10
DGDG
SIGTX
(3-3H)
R203
86.6K
C183
1000P
7
6
5
IC12
2902
SIGRX
(3-3H)
+5V
D102
1SS355
R220
3K
MAG
AGD
(3-4H)
R140
0
C4
10/50
5
4
3
9
IC11
4053
0
1
GAINC
(1-1D)
RXIN
CNLIUA-9
R213
2.2K
R195
43K
R214
0
EXSIG
CNLIUB-1
C194
0.1
C160
0.1
1
15
2
10
IC11
4053
0
1
DG
R174
1K
DG
C158
4700P
C159
0.01
R173
20K
R192
1K
DG DG
R175
20K
R170
3K
C2
1/50
5
IC10
NJM2113
871
3
2
4
6
R167
30K
+5V
R171
100K
R172
220K
C157
220P
DG
C1
47/25
SP+
CNSP-1
SP–
CNSP-2
SPMUTE
(1-4A)
BZCONT
(1-1E)
VOLB
(3-1D)
VOLA
(3-6D)
BZOUT
(1-1E)
DG
VCC
GND
VEE
ENABLE
DG
6
11
R215
20K
C196
0.1
R216
10K
R176
24K
R177
1.3K
R198
220K
C180
220P
14
13
12
TELIN
CNLIUA-2
R196
1.5K
+24VA
+5V
IC12
2902
4
11
R201
10K
C182
0.1
R181
33K
R180
33K
C161
1
VREF
DG
DGDG
DG
C184
0.1
DG
DG
DG
R169
470
R168
1K
R166
100K
C156
0.1
Q5
RNC1402
Q4
RNC1402