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Flow Chart of Troubleshooting
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10-15
R310
C307
C308
C300
C321
R307
C302
VDD_IO_LOW_1.8V
C310
C319
C313
C312
TP_IT_PMU
C309
C303
VBAT
C315
C304
9
5
SIMIOHC|_SIMOFF
6
7
_RSTHC
8
GPO3
9
GPO2
1
5
D
D
V
C
L
2
5
T
A
B
V
D
C
D
3
5
N
E
MI
S
4
5
T
A
B
V
5
5
D
D
V
C
L
6
5
VSS
57
C
N
8
5
C
N
4
4
D
D
V
OI
5
4
6
4
T
A
B
V
7
4
D
D
V
2
D
8
4
D
D
V
P
L
9
4
D
D
V
3
D
5
_SIMRSHC
0
5
D
D
V
1
D
T
A
B
V
1
D
37
VCHG
38
39
VSS
4
SIMCKHC
0
4
E
V
A
S
V
1
4
D
D
V
1
F
R
2
4
D
D
V
2
F
R
3
4
C
C
V
MI
S
D
D
V
C
H
3
REFC
30
31
REFGND
32
VISA
33
VBATSENSE
34
_REC1
35
_REC2
36
CHGCUR
USBVIN
2
2
D
C
K
C
MI
S
3
2
4
2
D
C
OI
MI
S
5
2
D
C
S
R
MI
S
_
6
2
N
E
MI
S
27
NTC
28
_ONKEY
29
MICBIAS
_IRQ
5
1
D
D
V
5
D
6
1
7
1
D
D
V
6
D
8
1
X
L
D
C
D
9
1
T
A
B
V
D
C
D
2
OSCO
0
2
D
D
V
D
C
D
1
2
A
D
S
L
C
S
1
OSCI
10
GPO1
11
PWREN1
12
PWREN2
13
VSS
4
1
K
2
3
K
L
C
D
D
V
4
D
PMU300
C306
C320
C330
C316
R309
VBAT
2
3
4
1
C301
MIC_BIAS_2.15V
OSC300
C314
R306
R300
V_CORE_CTL
ONKEY_N
VDD_MAIN_KEY_3.3V
32KHz_DIGIT
REF_ON_PMU
VDD_CAM_1.5V
V_EXT_CHARGE
VDD_RX_TX_2.8V
SCL
SDA
VDD_IO_LOW_1.8V
VDD_SD_3.3V
VDD_SIM_3.0V
VCC_SYN_2.8V
VBUS_5V
JACK_IN
AUX_ON
IT_PMU
RSTON
VDD_PLL_1.2V
VDD_USB_3.3V
AVDD_2.6V
VDD_IO_HIGH_2.9V
SIMOFFn
MES_BATT
2
0
1
T
N
A
0
1
1
C
3
1
1
C
C114
C116
C117
8
2
1
C
0
3
1
C
2
3
1
C
3
3
1
C
4
3
1
C
5
3
1
C
C136
7
3
1
C
8
3
1
C
C300
C302
C303
C304
C306
C307
C308
C309
C310
C312
3
1
3
C
4
1
3
C
5
1
3
C
6
1
3
C
9
1
3
C
0
2
3
C
1
2
3
C
C322
C323
4
2
3
C
5
2
3
C
8
2
3
C
C329
2
3
3
C
1
3
3
C
7
3
4
C
2
4
4
C447
C449
C450
C508
C509
C510
C511
C512
3
1
5
C
C514
C515
CT
S10
0
0
0
3
D
D509
2
1
5
D
F1
00
1
0
5
F
2
0
5
F
3
0
5
F
1
0
1
L
3
0
1L
1
0
3
L
L411
4
1
4
L504
L505
L506
L507
0
OSC300
0
0
3
U
M
P
R104
6
0
2
R
7
0
2
R
7
0
3
R
0
1
3
R
0
1
4
R
1
1
4
R
RTS100
RX
D10
0
0
0
4
C
L
S
0
0
5
H
C
R
O
T
C
NY
S
H
_
P
T
TP
_IT
_P
MU
N
O
_
R
W
P
_
P
T
C
N
Y
S
V
_
P
T
TP400
TP401
TP402
TP500
0
0
1
D
X
T
U100
U300
4
0
4
U
U405