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Flow Chart of Troubleshooting
10-16
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C
1
34
C
13
5
C
31
8
C
31
9
C
5
08
C
53
4
TP402
U
1
01
C
5
20
C
5
24
C529
C
60
2
C
60
3
C604
IF
C
60
0
L1
10
L6
00
L601
L602
L603
L604
L605
L606
R600
R604
R605
R609
R610
TP316
ZD600
ZD601
ZD602
ZD603
VDD_IO_HIGH_2.9V
R602
L604
R610
C603
VDD_IO_LOW_1.8V
C604
VCHG_5V
Z
D
60
1
R608
R604
R605
L601
Z
D
60
6
1
2
3
4
5
6
22 NC
23 NC
NC
24
25 NC
NC
26
NC
27
3
3
4
4
5
5
6 6
7
7
8
8
9
9
NC
21
14 14
15
15
16 16
17
17
18 18
19
19
2
2
20 20
1
1
10
10
11
11
12
12
13 13
IFC600
Z
D
60
5
1
2
3
4
5
6
VBAT
C607
L603
VBUS_5V
Z
D
60
2
R601
L600
ZD600
R603
VDD_IO_HIGH_2.9V
R600
L605
R607
Z
D
60
3
L606
C606
R609
L602
EARSPK_R
C602
RXD1_J
TXD1_J
EAR_ADC
FM_ANT
RXD1
TXD1
JACKIN
EARMICN
EARMICP
EARSPK_L
USB_D-_J
USB_D+_J
AUX_ON
EARSW
USBDP
USBDM
L110
C134
C135
VDD_IO_LOW_1.8V
VDD_IO_HIGH_2.9V
F2
T_EN
F3
GPIO1
F4
INTX
F5
GPIO2
F6
VCC
B6
VDD
C1
BUSSEL1
C6
DGND
D1
RFGND
D6
AUDOL
E1
RFI
E6
AUDOR
F1
AGND
2
NC
A1
BUSSEL2
A2
RST
A3
SCL
A4
SDA
A5
FREF
A6
VREFDIG
B1
SEN
U101
1
NC
FM_BUSSEL2
32KHZ_DIGIT
FM_RST
SDA1
FM_AUDIO_L
FM_AUDIO_R
SCL1
FM_ANT