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Flow Chart of Troubleshooting
10-16
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H : On
L : Off
<EAR SWITCH>
<AUDIO AMP (SAPA2)>
T
P
_
R
C
V
_
N
T
P
_
R
C
V
_
P
R503
VREG_MSMP_2.6V
R502
R506
R504
C501
C502
R518
C505
C514
C513
VREG_MSME_1.8V
R501
C504
C509
C506
C515
R507
R508
VREG_MSMP_2.6V
R520
C538
R519
7
2
NO1
10
N
O
2
VCC
1
VBATT
U501
3
C
O
M
1
C
O
M
2
9
6
GND
4
IN
1
8
IN
2
N
C
1
5
NC
C512
C537
TA500
VBATT
C507
R500
C503
VDR
6
5 VMID
7 VSR
VREG_MSMP_2.6V
PVDDR
8
S
C
K
1
31
S
C
K
2
26
4 SCL
3 SDA
32
S
D
I1
S
D
I2
27
24
SYSCLK
O
U
T
R
A
O
U
T
R
B
11
23
PDN
P
G
N
D
L
15
P
G
N
D
R
10
21
PLLAVDD
22
PLLDVDD
19
PLLGND
17
PVDDL
5
2
0
3
L
R
C
K
2
1 MCK|TEST
N
C
34 35
N
C
2
NC
3
6
16
O
U
T
L
A
O
U
T
L
B
14
9
29
D
G
N
D
28
D
V
D
D
20
FILTER
3
3
GND
13
H
P
O
U
T
L
12
H
P
O
U
T
R
2 IOVDD
L
R
C
K
1
VREG_MSME_1.8V
U500
18
AGND
C516
C510
C500
TA501
L501
C511
R505
TP500
C508
TA502
L502
L503
L500
SPK_P_OUT
SPK_N_OUT
I2C_SCL
E
A
R
_
S
W
_
R
EAR_SW_L
EAR_L
EAR_SW_EN
E
A
R
_
R
BUFF_TCXO
EAR_SW_R
EAR_SW_L
P
C
M
_
C
L
K
I2
S
_
S
S
C
K
I2C_SDA
P
C
M
_
D
O
U
T
I2
S
_
S
S
D
O
P
C
M
_
S
Y
N
C
I2
S
_
S
W
S