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Flow Chart of Troubleshooting
10-24
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