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Flow Chart of Troubleshooting
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9-5
VDD_SD_3.0V
C317
C328
C303
R300
C301
TP_RSTON
VDD_IO_LOW_1.8V
1
OSC300
2
1
BAT300
2
C314
C319
VDDD_CAM_1.8V
VDD_KEY_3.3V
C327
ZD300
C302
AVDD_HFA_2.6V
VDD_IO_LOW_1.8V
C325
C310
VDD_RX_TX_2.8V
VCC_SYN_2.8V
VBAT
56
L
C
V
D
D
57
VSS
58
N
C
59
N
C
_SIMOFF
6
_RSTHC
7
GPO3
8
GPO2
9
49
NC
5
D
1V
D
D
50
L
C
V
B
A
T
51
L
C
V
D
D
52
53
D
C
D
1V
B
A
T
54
S
IM
E
N
55
V
B
A
T
41
R
F
2V
D
D
42
S
IM
V
C
C
43
H
C
V
D
D
44
IO
V
D
D
45
46
V
B
A
T
D
2V
D
D
47
L
P
V
D
D
48
D
3V
D
D
34
REC2
35
CHGCUR
36
USBVIN
37
VCHG
38
39
VSS
NC
4
V
S
A
V
E
40
R
F
1V
D
D
27
ONKEY
28
MICBIAS
29
_IRQ
3
REFC
30
REFGND
31
VISA
32
VBATSENSE
33
REC1
2
D
C
D
1V
D
D
20
D
4V
D
D
21
D
5V
D
D
22
D
6V
D
D
23
S
D
A
24
S
C
L
25
26
S
IM
E
N
VPAD
PWREN2
12
VSS
13
C
L
K
32
K
14
D
C
D
2V
D
D
15
D
C
D
2V
B
A
T
16
D
C
D
2L
X
17
D
C
D
1L
X
18
D
C
D
1V
B
A
T
19
OSCO
PCF50615HN/02/N1
PM300
OSCI
1
GPO1
10
11
PWREN1
AVDD_2.6V
C315
C329
C326
C309
SIM_VCC_3.0V
MES_BATT
C311
L300
VBAT
VDD_IO_HIGH_2.9V
L301
C312
R317
VBAT
R306
C323
C316
C331
C330
VDD_VIB_3.3V
C321
R305
C300
C324
C313
VDD_GSM_CORE_1.2V
R301
C332
VDD_CAM_IO_1.8V
C304
VDD_USB_3.3V
VDD_PLL_1.2V
3PI_CON_SWITCH
AUX_ON
SIMOFFn
REF_ON_PMU
32KHz_DIGIT
SDA
SCL
ONKEYN
AUX_BIAS_2.1V
IT_PMU
VBUS_5V_IF
RSTON
C302
C303
C304
C
30
9
C310
C31
1
C312
C31
3
C
31
6
C
31
7
C319
C
32
1
C32
3
C324
C32
5
C326
C
32
7
C
32
8
C32
9
C330
C33
1
C
33
2
L3
00
L3
01
OSC300
PM
30
0
R
30
6
R317
TP_RSTON