ViewSonic Corporation
Confidential - Do Not Copy
61
10. Schematic Diagrams
Model
Title
Date
Rev:
ViewSonic Corporation
Audio
Layout guide :
1. Tie the I.C. pin 1,2,3,18,19,20 to ground with a
large copper pour (open mask layer)
L
Line_R
Line_L
R
MUTE
2
VOL_C
2
+14V
2,3
+14V
+14V
+14V
+14V
R711
2.
2K
+
C705
470u/16V
C706
0.47/16V
R709
1K
R708
27K
R713
5K6
R703
10K
R710
1K
R712
2.
2K
C711
4700p/
50V
R702
10K
Q702
PMBT3904
1
3
2
+
C701
220u/
16V
Q703
PMBT3904
1
3
2
Q701
PMBT3904
1
3
2
C709
0.
1/
50V
CN701
4P 2.0mm
1
2
3
4
+
C713
10u/
25V
C712
4700p/
50V
C704
0.47/16V
+
C702
470u/25V
R706
47K
FB701
600
Ω
R707
5K6
U701
TDA7496SA
8
11 15
5
4
3
2
6
1
7
9
10
14
13
12
S_GND
GND GND
INL
VAROUT_L
VOLUME
VAROUT_R
NC
INR
SVR
STBY
MUTE
OUTR
VS
OUTL
R701
5K1
R704
10K
+
C707
470u/16V
C703
0.1/50V
P701
AUDIO IN
2
3
4
5
1
R714
100
R705
27K
V
X
193
5
wm-
3
Содержание VS11444
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