ViewSonic N1900w-1E Service Manual page 55

8.8. Audio Amplifier
5V_AMP
P6 5V_AMP
5V_STB
P3,4,6,9 5V_STB
P9
P9
MUTE_S
P9 MUTE_S
ViewSonic Corporation
5V_AMP
L601 80R 0805
L602 80R 0805 +
AVOR
AVOR
1u 0805 C606
1u 0805 C605
GND_APO 1u 0805 C607
AVOL
AVOL
1u 0805 C608
5V_STB
R608
10K
R609 NC R607 0R
R610 10K Q603
1
B
SOT
3
C
23
2
E
R611 MMBT3904
10K
52
N1900w-1E
Confidential - Do Not Copy
AMP_VCC
C601 C602
470u / 16V 0.1u
C613 C616
+
10uF/16V 1u 0805
C610
1u 0805
R606
C611
220P 0603
GND_APO
C615 + C614
1u 0805
10uF/16V
GND_APO
AMP_VCC
AMP_VCC
R601
4.7K
R602
10K
C612
1u 0805
L603 15uH
I603
TPA2008D2
L604 15uH
L605 15uH
120K
GND_APO
L606 15uH
C619
0.1u 0805
P605
C620
4
L-
3
L+
0.1u 0805
2
R-
1
R+
CON4 P=2.5mm
C621
0.1u 0805
C622
0.1u 0805