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Flow Chart of Troubleshooting
9-24
C41
5
6
1
4
C
7
1
4
C
2
2
4
C
C423
0
0
5
R
A
E
L403
8
0
4
R
7
0
4
R
9
0
4
R
0
1
4
R
2
1
4
R
1
0
4
U
R410
13
ROUT
RST
5
7
K
L
C
S
OI
D
S
8
6
SEN
VDD
11
10
OI
V
17
14
LOUT
LPI
4
NC
1
C
N
20
22
C
N
C
N
23
K
L
C
R
9
3 RFGND
DFS
16
DOUT
15
FMI
2
12
GND
21
D
N
G
19
1
O
P
G
18
T
NI
_|
2
O
P
G
K
L
C
D|
3
O
P
G
VCCD_2.9V
U401
VCCD_1.9V
R412
R409
C415
C422
L403
R408
C417
C416
C423
R407
PCM_SYNC
PCM_RXD
FM_ANT
PCM_CLK
FM_SDA_1.8
RTC_CLK
FM_BUS_EN
FM_INT
FM_SCL_1.8
RADIO_L
RADIO_R