Table of Contents
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Flow Chart of Troubleshooting
VBAT
V_EXT_CHARGE
TA600
IFC600
RD2R020HB1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15 15
16
16
17 17
18
18
19 19
20
20
21
21
22 22
23
23
24 24
25
25
26 26
3
4
2
5
1
6
ZD600
NUP5120X6T2G
C610
ZD605
DF2S5.6FS(TPL3)
MIC600
C612
ZD604
DF2S5.6FS(TPL3)
C618
JACK_EN
9-6. Speaker & Receiver Part
+VDD_IO_HIGH_2.9V
R603
EARSPK_R
EARSPK_COM
EARSPK_L
EAR_SWITCH
USB_D+
USB_D-
+VBUS
1
6
IO1
IO5
2
5
GND
IO4
34
IO2
IO3
C606 C607
C608
ZD601
ESDALC6V1-5M6
Digital External Interface
MIC_BIAS_2.15V
R607
L602
BLM15BB750SN1D
U601
NLAS5223BMNR2G
L603
BLM15BB750SN1D
NO2
COM1
COM2
IN1
IN2
NC1
TP603
MICROPHONE
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+VDD_IO_HIGH_2.9V
R601
C600
L604
C602
C603
L605
C604
F600
ICVE10054E250R201FR
5
IN1 1
TXD1_IF
OUT1
6
2
RXD1_IF
OUT2
IN2
7
IN3 3
AUX_ON_IF
OUT3
8
4
OUT4
IN4
GND
GND
9 10
MIC_BIAS_2.15V
TA601
R608
L600
BLM15BB750SN1D
L601
BLM15BB750SN1D
R614
EARMIC_N
R616
EARMIC_P
9-10
R604
EARMIC_P
EARMIC_N
R605
JACK_IN
10K,1%
R606
200K,1%
TXD1
RXD1
AUX_ON
C611
C613
C616
R613
C617
C619
EAR_ADC
MIC_P
Close to MCP
MIC_N
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