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Flow Chart of Troubleshooting
9-10
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< SAPA2 >
Linewidth : 0.4~0.5mm
SDA
3
1I
D
S
32
27
2I
D
S
SYSCLK 24
6 VDR
VMID
5
VSR
7
PLLAVDD 21
PLLDVDD 22
PLLGND 19
PVDDL 17
8 PVDDR
31
1
K
C
S
26
2
K
C
S
SCL
4
6
3 NC
AL
T
U
O
16
14
BL
T
U
O
A
R
T
U
O
9
11
B
R
T
U
O
PDN 23
15
L
D
N
G
P
10
R
D
N
G
P
L
T
U
O
P
H
13
R
T
U
O
P
H
12
IOVDD
2
30
1
K
C
RL
2
K
C
RL
25
MCK|TEST
1
34
C
N
2
C
N
35
U501
AGND
18
D
N
G
D
29
D
D
V
D
28
FILTER
20
GND
3
3
2
2
5
C
TA504
0
15
R
L502
C517
C515
L503
R503
R523
VREG_AUDIO_1.8V
TP500
3
1
5
C
VBATT
C525
1
15
R
40
5
L
TP502
C518
2
1
5
R
VREG_MSMP_2.6V
C519
R518
TA503
R504
1
2
5
C
C537
C526
VREG_MSMP_2.6V
R522
3
0
5
C
20
5
C
C536
C514
R515
TA502
R517
TP501
R502
C516
VBATT
50
5
L
VREG_AUDIO_1.8V
R
_
R
A
E
_
W
S
L_
R
A
E_
W
S
N_
T
U
O
V
C
R
P_
T
U
O
V
C
R
SPK_N
SPK_P
SAPA2_I2C_SCL
SAPA2_I2C_SDA
SAPA2_MCLK
I2S_FM_RL
I2S_FM_DOUT
I2S_FM_CLK
SDAC_L_R_N
SDAC_DOUT
SDAC_CLK
SAPA_TCXO_OUT
SAPA2_PCM_SYNC
SAPA2_PCM_CLK
SAPA2_PCM_DOUT
2
0
5
C
C503
6
0
5
C
C512
C513
4
1
5
C
5
1
5
C
C516
7
1
5
C
C518
9
1
5
C
1
2
5
C
2
2
5
C
C525
C526
2
0
5
L
3
0
5
L
4
0
5
L
5
0
5
L
2
3
4
R
3
3
4
R
1
0
5
R
R506
7
0
5
R
8
0
5
R
1
1
5
R
0
1
5
R
R512
5
1
5
R
6
1
5
R
R517
R518
SC116
2
0
5
A
T
0
0
5
U
U50
1
C103
4
0
1
C
5
0
1
C
9
0
1
C
1
1
1
C
2
1
1
C
9
1
1
C
C504
C508
C511
C539
0
0
1
D
0
0
5
D
1
0
5
D
1
0
1
L
L104
L105
L50 0
L501
0
0
1
R
2
0
5
R
3
0
5
R
R504
R528
TA101
TA102
TP
500
TP
501
TP
502
U10
0
U504