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C315
FM_ANT
nFM_RST
I2C_SCL
I2C_SDA
SLEEP_CLK_WIFI
C611
SPK_L
C612
SPK_R
C613
EAR_L
C614
EAR_R
I2C_SDA
I2C_SCL
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20
19
23
22
21
1
NC
2
100PF
FMIP
1005
3
RFGND
U303
4
GND
SI4703-C19-GMR
5
_RST
6
_SEN
7
8
9
FM RADIO
V_BAT
U600
D4
D5
RXIN-
OUT-
B4 RXIN+
OUT+ B5
R610
D2
A1
INA1
HPR
D1
A2
R605
INA2
HPL
C2
A4
INB1
C1N
C1
A5
INB2
C1P
B2
1
BIAS
NC
B3
2
SDA
NC
C3
SCL
9-33
V_BAT
VREG_MSMP_2.6V
82K
R305
1005
18
17
16
VA
GND 15
LOUT 14
ROUT 13
GND 12
VD 11
10
EARSPK_R
EARSPK_L
Pleae place near Connector
Flow Chart of Troubleshooting
C316
1000nF
FM_LOUT
1005
C319
1000nF
FM_ROUT
1005
AMP_MOUT
AMP_POUT
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