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Flow Chart of Troubleshooting and Circuit Diagrams
10-4
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Problem #4
VAUDIO_3.0V
VAUDIO_1.8V
C530
EN2
4
2 GND
9
D
N
G
6
NC
VIN
1
VOUT1
8
7
VOUT2
C523
U504
3 BYP
EN1
5
VBAT
C528
C529
CODEC_PWR_EN
TH500
SDTIA
J8
MCKO
J4
SDTI
H1
MCKI
H4
I2C
H5
T
B
C
O
C
V
9
E
G1
MUTET
C8
SAIN1
D1
C
O
C
V
8
D
M
O
C
V
9
D
SAIN3
C1
SAIN2
C2
MPWR
B1
MDT
A1
VBAT
90
5
C
C513
80
5
C
70
5
C
R503
R506
R508
R504
VAUDIO_1.8V
R501
VCC_3.0V
TP500
C511
R507
01
5
C
BT_PCM_OUT
CODEC_SDI
CLK19.2M_CODEC
VBAT
VCC_3.0V
C647
C627
C648
7
3 IN
5
NC
OUT 4
U603
BYP
6
1
EN
GND
2
GND
INIT_PWR
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