ViewSonic VX2235wm-3 - 8.5. Audio Amplifier

ViewSonic Corporation Confidential - Do Not Copy VX2235wm-3
42
8.5. Audio Amplifier
5/20 ADD PCB 對 板邊接地
0525 modify value
modify value 0616
41
2
SOLDER
SIDE
5
3
51
2
SOLDER
SIDE
3
4
now pin define
correct pin define
layout modify pin define
modify value 0627
modify value 0627
modify value 0627
from two smt 0805 bead modify dip type and make a drill include of the cap 1500UF 060728
DEL C604 , C623
hunk 06'0706
7/28 cap package change to 0603
MUTE_S
AVOR
AVOL
MUTE_S4
VOLUME4
5V_AMP1
3.3DVCC1,3,4
DGND 1,2,3,4
5V_AMP
DGND DGND
+5V
DGND
GND_PG
DGND
DGND
DGND
3.3DVCC
+5V
AMP_VCC
AMP_VCC
DGND
DGND
DGND
DGND
DGND
DGND
DGND DGND
R611
47K
L605 15uH
S
R
RS
LS
L
P601
AUDIO INPUT (GREEN)
4
5
3
2
1
P602
P=2.0mm
4
3
2
1
R+
R-
L-
L+
C615
1UF
R610 100K
L603 15uH
C611
0.1u 0805
L606 15uH
R604
NC/1K
R612
10K
C617
1UF
R607
4.7K
L604 15uH
R615
10K
+
C601
1500uF/10V
R602
10K/NC
C602
100n
C620
220P 0603
C609
10n 0603
C613
1UF
L607 80R DIP
R601
NC/10K
C624
0.1u 0805
R616
33R
Q601
NC/MMBT3904 SOT-23
B
CE
C612
1000P
C619
0.1u 0805
C614
10n 0603
C616
0.1u 0805
C605
1UF 0805
C621
1000P
I601
TPA2008D2
5 8 3
20
2 7
23
1 6
18 19
10 4
24
9
21 22 17 16 15
11 12
14 13
25
LOUTP LOUTN SHUTDOWN
ROUTP
LINP PGND
RINP
LINN PGND
PGND PGND
COSC PVDD
RINN
PVDD
PVDD
BYPASS
ROUTN
PVDD
NC
ROSC AGND
VOLUME
VDD
GND
+
C627
47uF/16V
C618
10n 0603
C625
1UF 0805
C608
1UF 0805
R613 NC
C606
1UF 0805
R609
47K
R603
0
R608
100K
C622
10n 0603
C626
1UF 0805
E
B
C
SOT
23
Q602
MMBT3904
B
C
E
C610
1UF
R614 10K
C603
1uF