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SAMSUNG Proprietary-Contents may change without notice
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Flow Chart of Troubleshooting
7-4
DAI & Bluetooth data Interface
USB Interface
C217
R215
C223
100K
R203
R205
V18
GPIOA17
V2
GPIOA29
V3
GPIOA31
V4
GPIOA3
V5
QP
V7
QN
V8
V10
AUXDAC3
V11
MICBIAS
V12
RFEN0
IP
U7
IN
U8
MCLK
VREF
U14
SCL
U17
RFCLK1
U18
R9
GPIOA25
T1
GPIOA21
T2
R17
GPIOA22
R2
GPIOA23
R5
GPIOA28
R6
AUXDAC2
R8
AUXDAC1
P9
RFSIG6
R11
RFSIG0
R13
RFDO1
GPIOA27
P6
GPIOA30
P8
GPIOA4
RFSIG7
P11
GPIOA24
N1
SIMPWR
N14
MICP
N18
AUXMICP
M17
MICN
M18
GPIOA26
L9
RFSIG2
M11
RFSIG1
M12
SDA
M14
AUXMICN
L17
ANR
L18
AUXADC5
L2
K2
AUXADC4
L1
GPIOA5
L11
AUXADC2
K1
EAR1
K15
ANL
K18
AUXADC3
EAR2
J15
HFR1
J17
AUXADC1
J1
USBDP
H11
HFR2
H18
RESET
H1
GPIOA9
G1
USBDM
G14
SIMCLK
G17
USBCN
F14
SIMRST
F17
DCL
E11
FSC
D13
SIMIO
D15
B14
DD
B13
DU
UCP200
R214
R207
R213
R208
+VDD_IO_HIGH
C222
+VDD_IO_LOW
KEY_LED_ON
EAR1
EAR2
CHG_ON
IT_PMU
RX_TX_QN
EDGE1_PA
PON_SW
RX_TX_QP
RX_TX_IP
SCL
RF_CLK
RX_TX_IN
D_REF_CLK
RAMP
MIC_BIAS_BB
RF_EN
EXT1
RF_DATA
DCS
AUDIO_SW
AFC
MELODY_SEL
EXT2
PON_3587_SYNTH
END_OF_CHG
AUX_ON
M_INT
PON_TX
MODE_SELECT
PON_PA
SDA
MIC_N
R_CONTROL
MIC_P
MES_BATT
HFR_P
VF
TEMP_PRODUCT
EAR_ADC
BT_INT
JACK_EN
RSTEXTn
USBDP
HFR_N
DU
FSC
SIMIO
DCL
USBCN
SIMRST
USBDM
SIMCLK
ANL
DD
ANR
CLKBURST
LEVEL SHIFT
R307
+VDD_IO_LOW
R309
+VDD_IO_LOW
6
2
5
1
4
Q300
3
+VDD_IMAGE
+VDD_IO_HIGH
LCD_RESET
S_RST
RSTON
S_RST_IMAGE