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Flow Chart of Troubleshooting
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7-8
EAR_SPK_N
JACK_IN_REF
EAR_MIC_
P
EAR_SPK_P
AUDI
O
EAR_MIC_
N
6.3V
10UF
C437
ZD40
7
C1019
100PF
UDZS5.1
B
C431
NC
ZD401
220N
F
C40
4
27n
H
L40
2
10
NO2
VCC
1
C40
9
NC
COM2
9
11
GND
GND
6
4
IN
1
8
IN
2
NC1
5
NC2
7
2
NO1
VCC
D
NLAS4684MNR2
U402
COM1
3
R419
91
0
27n
H
L40
1
PC-4FPC-1001
MIC1
uClamp0501H
ZD40
6
C427
C426
NC
V41
0
VC040205X150R
33UF
R415
VC040205X150R
V816
121K,1
%
22PF
C438
R437
150
K
VCCA
R440
56
K
C42
5
ZD408
VCCA
100N
F
121K,1%
R40
7
C422
4.7U
F
6.3V
VCCD
R404
6.8K
6
R405
1.2
K
1
2
3
4
5
10
R442
7000-2.5G-DB1-A
CN401
uClamp0501
H
ZD405
C416
GRP1555C1H330J
100N
F
C40
2
R41
7
R42
2
39K,1%
1.8K
C415
100NF
C414
220P
F
1UF
C411
VBAT
C434
56P
F
1N
F
C424
1.8K
uClamp0501
H
R423
uClamp0501H
ZD403
ZD402
ZD40
4
C43
9
18PF
R42
1
0
AVLC 5S 02 10
0
V401
R435
130K,1%
R441
1M
VCCA
R43
9
56
K
VCCA
R43
8
10
K
C410
NC
C42
8
220NF
3
31
/R
D
4
/RST
/W
R
28
33PF
C429
17
18
SPOUT
2
SPVDD
15
16
SPVSS
VD D
7
VREF
9
8
VSS
29
/C
S
/IRQ
G
10
HPOUT-L/MONO
HPOUT-R
11
32
IOVDD
2
LED
MT R
19
NC
56
PLL
C
SPOUT
1
D6
20
D7
12
EQ
1
EQ
2
13
14
EQ
3
G
33
34
GG
35
36
CLKI
1
27
D0
D1
26
D2
25
24
D3
D4
23
22
D5
21
1
2
2
2
YMU762C-QZE
2
U401
A0
30
10K,1%
SBR125530P-CT01
SPEAKE
R
1
1
R40
8
30
1.2N
F
C405
R40
2
33PF
220NF
C413
C420
T401
C44
0
47PF
2
C1
OUTA
A1
OUT
B
B1
V+
B3
V-
VBAT
LMC6035ITLX
INA+
C3
INA-
C2
INB+
A3
INB-
A2
1
NC
NC
R429
10K,1%
U404
R443
10
2.7K
R418
AVLC 5S 02 10
0
V403
C406
100NF
R425
10K,1%
10
V
2.7K
R424
C419
10UF
C408
VIB2
VIB1
33PF
30
R40
1
0
R403
1UF
C40
0
100NF
C401
R42
8
39K,1%
C436
10UF
6.3
V
VC040205X150R
V41
1
33PF
C432
220NF
100K
R400
C407
NC
C41
8
V404
AVLC 5S 02 100
C417
220NF
56PF
C435
C43
0
V40
2
AVLC 5S 02 10
0
R41
1
220NF
10UF
6.3V
10K,1%
ON/OFF
3
VI
N
15
VOUT
VBAT
C412
LP3985IM5X-3.
0
U403
4
BYPASS
2
GND
R416
JACK_I
N
MICINP
MICINN
T605
3.3K
EAR_SWITC
H
YMU_SPK1
N
AOUTB
N
AUXINN
YMU_VIB_EN
YMU_VIB_EN
SPK1N
SPK1N
D(5)
D(6)
RST
YMU_SPK1
N
YMU_SPK1
P
AUXINP
AOUTBP
AUDIO_AMP_EN
AUXOUT
N
AUXOUT
P
MICOUTP
MICOUTN
YMU_LED
CP_WE
N
AOUTAP
AOUTAN
SPK1
P
YMU_SPK1P
SPK1P
D(2)
CLK13M_YMU
YMU_IRQ
D(7)
D(4)
D(3)
D(1)
D(0)
CP_OEN
A(0)
YMU_E
N