Table of Contents
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Microphone
MIC_BIAS
VBATT
U40 1
R1180Q181B-TR
1
4
CE
VDD
MIC_BIAS_ON
2 GND
VOUT 3
C45 6
C457
1UF
2.2UF
C462
C463
15pF
9p F
MIC2P
MIC2N
C46 9
C470
C467
C468
C491
C492
15pF
9pF
27pF
15pF
9pF
27pF
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MIC_BIAS
C480
C481
C490
33PF
15pF
100nF
R413
1K
C460
R414
L402
33UF
1.2K
C461
4V
BLM10B750SBPT
100nF
C464
C465
NC
33PF
L403
C466
BLM10B750SBPT
100nF
R416
JACK_I N
1.2K
R417
1K
EAR_L
C471
100UF
6.3V
EAR1OP
VOICE_AUDIO_MODE
EAR_R
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C452
C453
C454
C455
C495
C494
27pF
9pF
15pF
9pF
15pF
27pF
VDD_L P
C458
15pF
C459
9pF
R415
100K
NC
C493
VBATT
17
16
15
14
13
21
NC
22
12
NC
D4
1
11
1S2
4S1
U404
C475
STG3699AQTR
2
10
100UF
R420
1-2I N
3-4I N
6.3V
16
3
9
3S2
2S1
4
D2
5
6
7
8
7- 9
F low Chart of Troubleshooting
VDD_LP
R412
U402
100K,1%
DG2011
1
6
IN
NO
2
5
V+
COM
SCAN_5
3
4
GND
NC
KEY_3
CN400
0-1674432- 1
1
1
22
3
3
44
5
5
66
15
7
7
G
88
16
G
9
9
G 17
10 10
18
G
G
GG
G
11 12
13 14
ZD403
ZD404
GMF05LC-HS3
GMF05LC-HS3
C476
C477
C496
9pF
15pF
NC
EAR1ON
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