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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_
RIGHT_
+14V
5,6
VOL
5
MUTE
5
+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
3
2
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
3
2
+
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
Summary of Contents for VA1930wm-1
Page 5: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 2 4 Handling and Placing Methods...
Page 6: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 3...
Page 39: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 36...
Page 40: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 37...
Page 55: ...ViewSonic Corporation Confidential Do Not Copy VA1930wm 1 52 9 Block Diagram...
Page 63: ...ViewSonic Corporation Confidential Do Not Copy VG1930wm 1 60 11 PCB Layout Diagrams...
Page 64: ...ViewSonic Corporation Confidential Do Not Copy VG1930wm 1 61...
Page 65: ...ViewSonic Corporation Confidential Do Not Copy VG1930wm 1 62...
Page 66: ...ViewSonic Corporation Confidential Do Not Copy VG1930wm 1 63...