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Flow Chart of Troubleshooting
11-20
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V500
VBAT
USB_5V
V504
C540
6
7
8
00
5
D
Z
1
2
3
4
5
R539
R538
V502 V503
V501
40
5
D
Z
1
2
3
4
5
6
7
8
R537
C542
VCCD_1_8
R536
C541
C547
V505
VEXT_5V
2
05
D
Z
22
23 NC
24 NC
NC 25
26
NC
27
NC
NC 28
4
4
5 5
6
6
7 7
8
8
9
9
21 NC
NC
14
15 15
16
16
17 17
18
18
19 19
2
2
20
20
3
3
IFC501
1
1
10
10
11
11
12
12
13
13
14
1
0
5
D
Z
R541
EAR_GND
EAR_R
EAR_L
EAR_MIC_N
JACK_INT
TTY_DETECT
SDS_TXD
SDS_RXD
JIG_ON_IF
USB_DPLS
USB_DMNS
EAR_SWITCH
EAR_MIC_P
C124
R109
3 GND
D
N
G
9
1 IN
ISET
4
VL
2
U108
ACOK 7
8
BATT
5
CHG
EN 6
C137
C122
VEXT_5V
VBAT
C123
R110
ICHRG
CHG_EN