Acer B223W Service Manual page 48

5
Line_L
D
Line_R
D701
ESD
FB701 600Ω
R717 10K
VCC16V
R703 10K
R704
47K
Q702
R705
1
30K
PMBT3904
Q704
R718
R714
1
30K
1K
C715
PMBT3904
+
Q703 220u/25V
1
2 MUTE
PMBT3904
C
VCC16V
R712
R713 100
2 VOLUME
B
P701
AUDIO IN
2
3
4
5
1
A
5
4 3
R701
10K
C704 0.47/16V
R702
5
INL
D702
10K
C706 0.47/16V
ESD 1
INR
8
S_GND
10
MUTE
9
STBY
3
VOLUME
+
5K6
1 Q701
PMBT3904
VCC5V
Pin9(1B0) PC
C717 1u/16V
Audio L
input
PC_Line_R
C718 1u/16V
Pin1(2B0)
PC_Line_L
PC Audio R
input
VCC5V
4 3
2
+16V
VCC16V
+16V 2,3
R734
C703
0R2 1W
+ +
C702 C712
0.1/50V 220u/25V 220u/25V
U701
TDA8496SA
Left_in
Left_Out
12
OUTL
220u/25V C705
Right_Out
Right_in
14
OUTR
220u/25V
7 C707 0
SVR
2
VAROUT_R
4
VAROUT_L
+
VCC5V
C720
+
100u/16V C716
0.1/16V
Line_L
U702
1 14
1A VCC
2 13
GND 1S
3 12
1B0 1B1
4 11
2A VCC
5 10
GND 2S
6 9
2B0 2B1
7 8
NC NC
FSA2257
Line_R
PC_HDMI_SWT 2
InnoLux
Document Number :
doc
TITLE :
Audio_ BV223W
2007-12-12
DATE :
4 5
SHEET OF
2
1
P702/NC
D
1
R732 220/NC
13a 13a
4a
12a
3
R733 220/NC
2
12
4
13
0 ST-510
CN701
4
3
2
1
4P 2.0mm 90°
FB702 FERR BEAD
C
VCC5V
B
HDMI_Audio_L 2
Pin6(1B1) HDMI
Audio L input
HDMI_Audio_R 2
Pin4(2B1) HDMI
Audio R input
VCC5V
Pin10,13 Connect to MCU GPIO
to Switch PC_HDMI_Audio
A
SIZE : APPRO BY :
Custom
CHECK BY :
DRAWN BY :
Rev :
V01
1