ViewSonic VS11425 Service Manual page 47

8.5. Audio Amplifier
GND_PG
DGND
layout modify pin define
P601
L
5
LS
4
RS
3
R
2
S
1
AUDIO INPUT (GREEN)
now pin define
3
1 5
4
2
SOLDER
SIDE
correct pin define
5
1 4
4 MUTE_S
3
2
SOLDER
SIDE
ViewSonic Corporation
from two smt 0805 bead modify dip type and make a drill include of the cap 1500UF
5V_AMP
L607 80R DIP
1 5V_AMP
C601
1500uF/10V
modify value 0627
modify value 0627
C610
AVOR
1UF
R609
C612
C613
47K
1000P
1UF
C615
1UF
C617
AVOL
1UF
C621
R611
47K 1000P
+5V
R612
10K
R613 NC
R614 10K Q602
MUTE_S
B
B
SOT
C
C
23
E
E
R615 MMBT3904
10K
DGND 1,2,3,4
DGND DGND
44
Confidential - Do Not Copy
AMP_VCC
C602
+
100n
DGND DGND
DEL C604 , C623
hunk 06'0706
C605 C606
1UF 0805 1UF 0805
C608
1UF 0805
I601
25
GND
R610 100K
C620
220P 0603
C625 C626
1UF 0805
1UF 0805
DGND
modify value 0627
VG2030wm-1
1,3,4 3.3DVCC
R603
R604
0
4 VOLUME
AMP_VCC
NC/1K
R616
C603
R608
33R
100K
1uF
+
C627
7/28 cap package change to 0603
47uF/16V
L603 15uH
DGND
TPA2008D2
L604 15uH
DGND
DGND
L605 15uH
DGND
0525 modify value
L606 15uH
DGND
DGND
060728
+5V
3.3DVCC
modify value 0616
R601
R602
NC/10K
10K/NC
Q601
B
NC/MMBT3904 SOT-23
DGND
R607
4.7K
對 板邊接地
5/20 ADD PCB
C609
C611
10n 0603
0.1u 0805
P=2.0mm
C614
P602
C616
4
R+ 10n 0603
3
R-
0.1u 0805
2
L-
1
C618
L+
C619
10n 0603
0.1u 0805
C622
C624
10n 0603
0.1u 0805
DGND
ViewSonic Corporation
Model
Title
Audio Amplifier
Date Rev: