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MD(7)
MD(8)
MD(9)
MD(10)
MD(11)
MD(12)
VGPIO_2.8V
MD(13)
MD(14)
MD(15)
R203
R204
SCL
SDA
VANA_2.85V
TH200
EAR_N
EAR_P
R207
C224
SPK_N
SPK_P
VBAT
VCHG_5V
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
NC
NC 22
23
NC
24
NC
NC 25
26
NC
27
NC
VR301
C318
IFC300
ZD301
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DATA7
G19
DATA8
F18
DATA9
E18
DATA10
D18
DATA11
B17
DATA12
B18
DATA13
A19
DATA14
C18
DATA15
W4
KEY_EN
GPIO1
V2
GPIO2
determine VIO voltage level
W2
UART_SW
GPIO5
V3
BT_LDO_EN
GPIO6
V4
GPIO7
G4
GPIO8
H5
GPIO10
W3
SYS_CLK_REQ
GPIO20
H4
GPIO38
J1
GPIO39
W1
BT_RST
GPIO40
V1
VIB_EN
GPIO41
D201
J4
GPIO57
D202
R8
JIG_ON
AUX_POK
M19
AUXADC0
N16
AUXADC1
P18
FM_L
AUXAUD_IN_L
R18
FM_R
AUXAUD_IN_R
W16
EAR_OUT_N|R
W17
EAR_OUT_P|L
C225
T18
MIC_BIAS
INTMIC_BIAS
U19
MIC_N
INTMIC_IN_N
V19
MIC_P
INTMIC_IN_P
TA201
U18
EXTMIC_BIAS
R19
EAR_MIC_N
EXTMIC_IN_N
T19
EAR_MIC_P
EXTMIC_IN_P
W18
HSET_OUT_N
W19
C230
HSET_OUT_P
NC
R210
P19
HKSW_DET1
1005
N19
EAR_SW
HKSW_DET2
EAR_SW_REF
KEYIN(0)
K1
KEYIN0
KEYIN(1)
K2
KEYIN1
KEYIN(2)
K4
KEYIN2
L303
1005
FM_ANT
L300
ZD300
C323
L301
L309
1005
L302
L310
1005
ZD302
C320
C321
UART1_TD_IF
UART1_RD_IF
JIG_ON_IF
9-11
Flow Chart of Troubleshooting
1005
EAR_SW
R303
EAR_MIC_P_IF
1005
EAR_MIC_N_IF
R305
AUX_DET
1005
R320
UART0_TD
R321
1005
UART0_RD
1005
R308
UART1_TD
1005
R309
UART1_RD
1005
R310
JIG_ON
1005
R322
NC
1005
L304
1005
L306
1005
L307
1005
C316
C315
C317
1005
1005
1005
U201
EARP_CTS
VCM_RTS
1005
EAR_N
R316
R323
1005
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