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Flow Chart of Troubleshooting
10-16
G
PMU
R300
OSC300
BAT300
1
2
C325
C332
C305
C319
C326
C328
C316
R334
TA300
R325
C314
C317
C310
L300
C329
C312
R307
C320
C324
C300
VBAT
ZD300
C313
VBAT
C304
C302
C321
C311
7
_RSTHC
8
GPO3
9
GPO2
35
N
E
MI
S
45
T
A
B
V
55
D
D
V
C
L
65
VSS
57
C
N
85
C
N
95
6
SIMIOHC|_SIMOFF
64
74
D
D
V2
D
84
D
D
V
P
L
94
D
D
V3
D
5
_SIMRSHC
05
D
D
V1
D
15
T
A
B
V1
D
25
D
D
V
C
L
T
A
B
V
D
C
D
39
4
SIMCKHC
04
E
V
A
S
V
14
D
D
V1
F
R
24
D
D
V2
F
R
34
C
C
V
MI
S
44
D
D
V
C
H
54
D
D
V
OI
T
A
B
V
REFGND
32
VISA
33
VBATSENSE
34
_REC1
35
_REC2
36
CHGCUR
37
USBVIN
38
VCHG
VSS
42
D
C
OI
MI
S
52
D
C
S
R
MI
S_
N
E
MI
S
62
27
NTC
28
_ONKEY
29
MICBIAS
3
_IRQ
30
REFC
31
81
X
L
D
C
D
91
T
A
B
V
D
C
D
2
OSCO
02
D
D
V
D
C
D
12
A
D
S
22
L
C
S
32
D
C
K
C
MI
S
1
OSCI
10
GPO1
PWREN1
11
12
PWREN2
13
VSS
41
K2
3
K
L
C
51
D
D
V4
D
61
D
D
V5
D
71
D
D
V6
D
PM300
C327
VDD_IO_LOW_1.8V
C303
R319
R302
VBAT
R322
R320
R321
C318
C315
VDD_GSM_CORE_1.2V
VDD_PLL_1.2V
PWREN2
MIC_BIAS_2.1V
VDD_USB_3.3V
VDD_SD_2.9V
VDD_KEY_3.3V
VDD_VIB_3.3V
MES_BATT
AUX_ON
SIMOFFn
SIM_VCC_3.0V
AVDD_HFA_2.6V
VDD_IO_LOW_1.8V
VDD_IO_HIGH_2.9V
AVDD_2.6V
VDD_SLEEP_2.9V
RSTON
JACK_IN
REF_ON_PMU
32KHz_DIGIT
SDA
SCL
ONKEYN
IT_PMU
V_EXT_CHARGE_5.0V
VCC_SYN_2.8V
VDD_RX_TX_2.8V