
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-11
0.2mm
determine VIO voltage level
VANA_2.85V
C218
C231
40
2
R
C216
C215
R206
TH200
R219
R203
VGPIO_2.8V
HSET_OUT_P
W19
GPIO5
W2
GPIO20
W3
GPIO1
W4
EAR_OUT_N|R
W16
EAR_OUT_P|L
W17
HSET_OUT_N
W18
GPIO7
V4
GPIO40
W1
INTMIC_IN_P
V19
GPIO2
V2
GPIO6
V3
EXTMIC_BIAS
U18
INTMIC_IN_N
U19
GPIO41
V1
INTMIC_BIAS
T18
EXTMIC_IN_P
T19
AUX_POK
R8
AUXAUD_IN_R
R18
EXTMIC_IN_N
R19
AUXAUD_IN_L
P18
HKSW_DET1
P19
AUXADC1
N16
HKSW_DET2
N19
AUXADC0
M19
KEYIN1
K2
KEYIN2
K4
KEYIN0
K1
GPIO57
J4
GPIO39
J1
GPIO38
H4
GPIO10
H5
GPIO8
G4
DATA9
DATA10
E18
DATA11
D18
DATA15
C18
DATA12
B17
DATA13
B18
DATA14
A19
UCP200
5
00
1
C232
D201
D200
51
2
R
61
2
R
MONO_SEL
EAR_N
EAR_P
JIG_ON
SPK_P
KEY_EN
BT_RST
SCL
SDA
BT_LDO_EN
VIB_EN
UART_SW
SYS_CLK_REQ
FM_L
FM_R
KEYIN(0:2)
KEYIN(2)
KEYIN(1)
KEYIN(0)
O( )
D(11)
D(12)
D(13)
D(14)
D(15)
MIC_BIAS
EAR_MIC_N
EAR_MIC_P
MIC_N
MIC_P
EAR_SW_REF
EAR_SW
SPK_N
D(9)
D(10)
Digital External Interface- UART
L317
L316
C310
L302
L306
VBAT
D302
1
2
3
4
5
6
L304
D303
1
2
3
4
5
6
C308
R312
L303
C337
R313
L315
VCHG_5V
L301
R314
C300
C336
VR300
NC 24
25
NC
NC 26
NC 27
5
5
6
6
7
7
8
8
9 9
NC 21
22
NC
23
NC
16
16
17
17
18
18
19
19
2
2
20
20
3
3
4
4
1
1
10
10 11
11
12
12
13
13
14
14
15
15
IFC300
R306
L319
L318
L305
R310
L300
C309
R322
ZD300
ZD301
C307
R309
C313
VCM_OUT
AUX_DET
UART1TD
UART1RD
UART0_RD
UART0_TD
JIG_ON_IF
UART1_RD_IF
EAR_SW
EAR_P
UART1_TD_IF
JIG_ON
EAR_N
FM_ANT