
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-15
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
KEYOUT3
N2
KEYOUT1
M2
KEYOUT2
N1
AUXADC0
M19
KEYIO1
L2
KEYIO2
L4
KEYOUT0
M1
KEYIO0
L1
KEYIN1
K2
KEYIN2
K4
KEYIN0
K1
GPIO57
J4
GPIO39
J1
FE CTRL0
J15
GPIO38
H4
GPIO10
H5
GPIO8
G4
DATA15
C18
DATA13
DATA14
A19
UCP200
50
01
C232
D201
D200
5
12
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
KEYOUT(0:3)
KEYIN(0:2)
KEYIO(0:2)
KEYOUT(3)
KEYOUT(2)
KEYOUT(1)
KEYOUT(0)
KEYIN(2)
KEYIN(1)
KEYIN(0)
KEYIO(2)
KEYIO(1)
KEYIO(0)
D(14)
D(15)
BAND SEL
MIC_BIAS
EAR_MIC_N
EAR_MIC_P
MIC_N
MIC_P
EAR_SW_REF
EAR_SW
SPK_N
C426
C400
C408
C401
C425
C424
C422
C423
C412
C411
C410
C405
4
4
5
5
6
6
7
7
8 8
9
9
35
NC NC
36
28
28
29
29
3
3
30
30
31
31
32 32
33
33
34 34
20
20
21
21
22 22
23
23
24
24
25
25
26 26
27
27
13
13
14
14
15
15
16
16
17
17
18
18
19
19
2 2
HDC400
1
1
10
10
11
11
12
12
C421
C420
L400
C407
C406
C414
VR400
L402
VGPIO_2.8V
VMEM_1.8V
C415
L401
C403
C418
VBAT
00
4
D
Z
C416
C419
C404
C417
KEYOUT(1)
WEn
D(7)
SYSRST
D(2)
D(0)
A(20)
LCD_CS
KEY_SLIDE_EN
ONKEY_1
KEYIO(1)
ONKEY_2
KEYOUT(2)
D(3)
D(5)
D(1)
KEYIO(0)
KEYIO(2)
KEYOUT(3)
D(6)
D(4)
LCD_BL_EN
LCD_ID
SPK_P
SPK_N