ViewSonic VS11354 - Page 60

ViewSonic Corporation Confidential - Do Not Copy VG1930wm-1
57
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)
C701 change to 220uF from 470uF
for svr rise up earlier
Line_R
Line_L
LEFT_SPEAKER+
RIGHT_SPEAKER+
+14V 5,6
VOL5
MUTE5
+14V
+14V
+14V
+14V
+
C713 10uF/25V
R703 10K
CN701
4
3
2
1
P701
4
2
3
5
1
C711 4700pF
R705
27K
C703 0.1/50V
Q701
PMBT3904
1
32
R709 1K
U701
TDA_7496L
1 2 3
4
5
6
7 8
9
10
11
12
13
14
15 16
17
18 19 20
Gnd Gnd Gnd
INL
VarOut_L
Volume
VarOut_R
N.C.
INR
Svr
Stby
Mute
Gnd
OutR
Vs Vs
OutL
Gnd Gnd Gnd
R712 2K
R704 10K
+
C707 470uF/16V
R702 10K
C712 4700pF
R714 100
+
C702 470uF/25V
Q703
PMBT3904
1
32
+
C705 470uF/16V
R713 5K6
C704 0.47uF
R707
5K6
R706
47K
R711 2K
C709 0.1/50V
R710 1K
Q702
PMBT3904
3
1
2
R708 27K
+
C701 220uF/16V
C706 0.47uF
R701 5K1