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VDD_TSP_2.9V
AVDD_HFA_2.6V
VDD_MOT_3.0V
VDD_CAM_IO_2.8V
VDD_IO_HIGH_2.9V
VDD_USB_3.3V
C308
VBAT
R302
MES_BATT
C316
R305
C317
TA300
C320
C322
C323
EAR_P
C325
EAR_N
C327
SPK_N
SPK_P
V_EXT_CHARGE
OSC300
1
2
REF_ON_PMU
VCORE_CTRL
C337
C338
C335
VDD_IO_HIGH_2.9V
VBAT
V_EXT_CHARGE
R429
IFC400
18K
HY20-AB0310
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15 15
16
16
17 17
18
18
19 19
20
20
NC 21
22
NC
23
NC
NC 24
25
NC
C418
NC 26
10000nF
NC 27
C309
C310
C300
C311
C312
M2
IN1
C3
IN2
B4
IN3
B10
IN4
B8
IN5
K6
IN6
K12
IN7
L5
IN8
M10
IN9
J5
INA1
H6
INA2
J7
U302
INB1
H8
INB2
K8
C1N
L9
C1P
H12
OUTN
L11
OUTP
F12
CHGIN
F10
CHGINB
H2
XIN
J1
XOUT
C9
PWREN1
E5
PWREN2
G9
TEST1
J9
TEST2
C400
100PF
C430
100NF
1005
1005
L400
D401
270nH
NC
L415
BLM15AG601SN1
1005
L416
BLM15AG601SN1
1005
AUX_ON
USB_D+_IF
USB_D-_IF
+VBUS
+VBUS_J
USB_D-_J
USB_D+_J
AUX_ON_J
RXD1_J
C437
C438
TXD1_J
1NF
1NF
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C301
C302
C303
C304
R300
R301
MIC_BIAS_2.15V
G3
REC1B
G7
REC2B
C319
M4
HPL
L3
HPR
F2
MICBIAS
H10
RXINN
K10
RXINP
F4
SIMOFFB
C7
SIMVCC
C326
B12
USBLDO
C328
D10
VL
K4
VBIAS
G1
C330
VISA
E3
VSAVE
H4
CLK32K
CLK32K
D4
TP300
IRQB
INT_PMU
E7
SCL
SCL
D6
SDA
SDA
L1
LX
J3
FB
F8
C336
REFBP
F6
ONKEY_N
ONKEYB
G5
RESETB
RSTON
C339
FM_ANT
EARMIC_P
EARMIC_N
EARSPK_R
EARSPK_L
EAR_SWITCH
JACK_IN
TXD1
RXD1
9-15
Flow Chart of Troubleshooting
C305
C306
C307
AUX_ON
JACK_IN
3PI_L
3PI_R
EARSPK_LOUT
EARSPK_ROUT
R303
SIMOFFn
VCC_SIM_3.0V
C318
+VBUS_DETECT
C321
BAT300
L300
R307
C340
R308
C345
VDD_SD_3.3V
VDD_IO_LOW_1.8V
VDD_PLL_1.2V
AVDD_2.6V
VCC_SYN_2.8V
VDD_RX_TX_2.8V
+VBUS
VDD_GSM_CORE_1.2V
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