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1
2
3
A
RA3
HP_AUOUTR_IC
RA19
LINE_AUOUTR_IC
RA6
HP_AUOUTL_IC
GND
RA20
LINE_AUOUTL_IC
GND
GND
AV1
2
4
5
HP_OUT_L
6
HP_DET
3
HP_OUT_R
1
CI19
GND
B
GND
12V
CA30
RA16
AMP_SDA_IC
3V3_M
RA14
AMP_SCL_IC
C
AMP_SDA_IC
AMP_SCL_IC
RA8
I2S_DATA_IC
RA11
I2S_LRCK_IC
RA12
I2S_MCLK_IC
RA13
I2S_BCLK_IC
D
1
2
3
4
5
6
RA51
RA52
CI12
RA17
RA15
CA3
CA28
CA20
CI11
RA54
RA18
GND
CA4
CA33
GND
RA55
AGND-HPR
GND
AGND-HPL
RA56
5V_M
RA23
CI20
QM7
RA24
HP_DET
B
E1
CA22
GND
CA32
UA1
RA7
POWER_ON
1
PD
2
ERROR
3
SDATA
4
LRCIN
RA4
5
SDA
RA5
6
SCL
CA8
CA9
AMP_RESET
7
RESET
8
GND
VSS
9
VDD
GND
10
GND
SA0
11
MCLK
12
BCLK
CA13
CA14
CA15 CA16
RA10
3V3_M
CA18
CA19
GND
GND
4
5
6
7
8
9
10
CA1
UA2
2
RINN
3
ROUT
AGND-HPR
1
RINP
AGND-HPL
14
LINP
12
LOUT
13
LINN
11
UVP
UVP
APA2171
9
HP_VCC
TSSOP14
VDD
HP-SDN
5
SDN
8
CPP
CA57
7
CPN
CA58
GND
GND
CA59
GND
RA21
HP_DET_IC
CA39
RA22
GND
12V
CA27
+
LA1
24
VDDLA
GND
23
NC2
22
LA
21
GNDL
GND
20
LB
LA2
CA21
19
12V
VDDLB
CA2
18
12V
VDDRB
GND
+
17
LA3
RB
16
GNDR
GND
15
RA
14
NC1
12V
LA4
13
VDDRA
CA17
GND
GND
7
8
9
10
11
12
13
12V
RA67
CA36
RA69
RA60
HP_OUT_R
GND
RA59
HP_OUT_L
RA1
RA2
HP-SDN
CA29
GND
GND
3V3_M
HP_VCC
RA64
CA60
HP_DET_IC
GND
RA35
AMP_RESET_IC
RA9
CA31
GND
LOUT+
CA5
CA23
CA6
CA7
CA24
GND
LOUTa
ROUTa
CA25
CA10
CA11
CA26
CA12
GND
ROUT+
11
12
13
14
15
16
RA68
UVP
A
RA25
LINE_MUTE_IC
RA58
HP_MUTE_IC
RA57
GND
RA62
3V3_M
路
PCB
CA61
B
AMP_RESET
C
CNA2
LOUT+
4
LOUT-
3
ROUT-
2
ROUT+
1
CNA1
LOUT+
4
LOUT-
3
ROUT-
2
ROUT+
1
D
14
15
16
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