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12) Audio Amplifier
Pop-Less Circuit
AUD_SHDN
8
AUD_SHDN
R646
3K9 1/10W 1%
VCC5D
Audio Mute Circuit
R633
10K 1/10W 5%
R634
10K 1/10W 5%
Q603
8
AUD_AMP_MUTE
MMBT3904
R653
0R05 1/10W 5%
C640
R655
AMP_LIN
11,13
AMP_LIN
NC/1uF/16V
NC
C648
R658
AMP_RIN
11,13
AMP_RIN
NC/1uF/16V
NC
0R05 1/10W 5%
R659
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P12V
R643
R644
150R 1/10W 5%
22K 1/10W 5%
Q602
MMBT3904
R642
AUD_SHDN
R636
10K 1/10W 5%
47K 1/10W 5%
PHONE_MT
BAT54C
ZD609
R632
PD_MUTE
1
47K 1/10W 5%
A24V
3
2
C637
C634
+
R654
U602
0.1uF 50V
470UF 35V
NC
1
AMP_SD
2
3
A_MUTE
4
C642
1uF/16V
5
C646
1uF/16V
6
AMP_BY PASS
7
8
C650
9
10
1uF
C651
1uF
11
R660
12
NC
C657
C656
+
0.1uF 50V
470UF 35V
6.2mm
U601
4
1
R651
VCC
GND
3
2
MR
RESET
47K 1/10W 5%
G692L293TCUf 2.91V
A24V
C635
C636
1uF
0.1uF 50V
TPA3121D2PWPR
24
L602
PVCCL
PGNDL
23
SD
PGNDL
22
PVCCL
LOUT
21
C641
0.22u 50V
33uH +-25%
MUTE
BSL
20
LIN
AVCC
19
RIN
AVCC
GAIN0
18
BY PASS
GAIN0
GAIN1
17
AGND
GAIN1
16
C649
0.22u 50V
AGND
BSR
15
L603
PVCCR
ROUT
14
VCLAMP
PGNDR
13
PVCCR
PGNDR
33uH +-25%
3mm
O=1.8mm
HEAT SINK
16.2mm
Q90G6119
5
25mm
36
+5VSB
R648
2K2 1/10W 5%
PD_MUTE
PD_MUTE
13
Q604
MMBT3904
PHONE_MT
PHONE_MT 13
P24V
A24V
P12V
R649
0.5 OHM 2W
L606
NC/300 OHM
C638
C643
C644
1000uF 35V
R656
0.22uF/50V
NC
2 KOHM
C652
C653
C654
1000uF 35V
R661
0.22uF/50V
NC
2 KOHM
A24V
R663
R664
GAIN0
GAIN1
GAIN(dB)
NC/0R05 1/10W 5%
0
0
GAIN0
NC/0R05 1/10W 5%
GAIN1
1
0
0
1
R671
R672
1
1
0R05 1/10W 5%
0R05 1/10W 5%
CN606
L+
C645
L
4
L-
NC
3
2
1
R+
R
R-
CONN
C655
33G3802 4B Y W
NC
20
26
32
36
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