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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-18
DIGIT30 0
DIGIT30 1
DIGIT302
DIGIT30 3
DIGIT30 4
DIGIT305
DIGIT30 6
DIGIT30 7
DIGIT308
DIGIT309
DOMM201
DOWN
END
INT
1
0
3
D
E
L
2
0
3
D
E
L
3
0
3
D
E
L
4
0
3
D
E
L
T
F
E
L
T
H
GI
R
SEND
SHARP
SOFT30 0
SOFT301
STAR
UP
OSC200
2
4
3
1
VGPIO_2.8V
VMEM_1.8V
VSIM_3.0V
VBAT
1
0
2
C
R204
VANA_2.85V
VBAT
R206
VMEM_1.8V
R200
C224
5
0
2
R
R203
UART1_RTS
W6
LDO_EN
W7
ICHGN
W8
ICHGP
W9
0
0
2
C
EAR_OUT_N|R
W16
EAR_OUT_P|L
W17
HSET_OUT_N
W18
HSET_OUT_P
W19
GPIO5
W2
GPIO20
W3
GPIO1
W4
UART1_RD
W5
ACC_DET_IN
V9
GPIO40
W1
GATE_SW
W10
SWCORE
W11
PMU_VPERM
W12
PMU_VRF
W13
PMU_VANA
W14
PMU_VIO
W15
INTMIC_IN_P
V19
GPIO2
V2
GPIO6
V3
GPIO7
V4
UART1_TD
V5
THERM_IN
V6
UART1_CTS
V7
POK_OUT
V8
SWCORE
V11
E
R
O
C
V
2
1
V
M
R
E
P
V
_
D
D
V
3
1
V
PMU_VSIM
V14
PMU_VMEM
V15
VCM_OUT
V16
VCM_OUT
V17
D
U
A
_
D
N
G
8
1
V
POK_IN
T8
M
P
P
G
_
D
D
V
9
T
SSI_DATA
U1
EXTMIC_BIAS
U18
INTMIC_IN_N
U19
SSI_OUT
U2
GPIO41
V1
VCHG
V10
B
U
S
_
D
N
G
6
1
T
INTMIC_BIAS
T18
EXTMIC_IN_P
T19
SSI_SEL2
T2
NRESET
T4
PWM_OUT1
T5
PWM_OUT2
T6
PWM_OUT0
T7
E
S
N
E
S
_
T
A
B
V
9
R
SSI_CLK
T1
S
N
S
_
T
A
B
V
_
D
N
G
0
1
T
C
D
C
D
_
T
A
B
V
1
1
T
C
D
C
D
_
T
A
B
V
2
1
T
V
R
D
_
D
U
A
_
D
N
G
3
1
T
V
R
D
_
D
U
A
_
D
N
G
4
1
T
V
R
D
_
D
U
A
_
D
N
G
5
1
T
AUXAUD_IN_R
R18
EXTMIC_IN_N
R19
TMS
R2
TEST
R4
OI
V
_
D
D
V
5
R
A
P
G
D
G
_
D
N
G
6
R
NC
R7
AUX_POK
R8
SSI_SEL0
R1
GATE_REG
R10
E
R
O
C
V
_
D
N
G
1
1
R
A
N
A
_
T
A
B
V
2
1
R
A
N
A
_
T
A
B
V
3
1
R
V
R
D
_
OI
D
U
A
_
D
D
V
4
1
R
V
R
D
_
OI
D
U
A
_
D
D
V
5
1
R
OI
D
U
A
_
D
D
V
6
1
R
TDO
P1
G
B
V
_
D
N
G
5
1
P
G
B
V
6
1
P
AUXAUD_IN_L
P18
HKSW_DET1
P19
TCK
P2
RTCK
P4
OI
V
_
D
D
V
5
P
NC
N18
HKSW_DET2
N19
KEYOUT3
N2
TDI
N4
OI
V
_
D
D
V
5
N
E
R
O
C
V
_
D
N
G
7
N
E
R
O
C
V
_
D
N
G
8
N
E
R
O
C
V
_
D
N
G
9
N
E
R
O
C
V
_
D
D
V
9
M
KEYOUT2
N1
E
R
O
C
V
_
D
N
G
0
1
N
E
R
O
C
V
_
D
N
G
1
1
N
E
R
O
C
V
_
D
N
G
2
1
N
E
R
O
C
V
_
D
N
G
3
1
N
M
P
P
G
_
D
D
V
5
1
N
NC
N16
PA_RAMP
M16
C
T
R
_
T
A
B
V
8
1
M
AUX_ADC0
M19
KEYOUT1
M2
NTRST
M4
E
R
O
C
V
_
D
N
G
5
M
E
R
O
C
V
_
D
D
V
7
M
E
R
O
C
V
_
D
D
V
8
M
E
R
O
C
V
_
D
D
V
8
L
E
R
O
C
V
_
D
D
V
9
L
KEYOUT0
M1
E
R
O
C
V
_
D
D
V
0
1
M
E
R
O
C
V
_
D
D
V
1
1
M
E
R
O
C
V
_
D
D
V
2
1
M
E
R
O
C
V
_
D
D
V
3
1
M
A
P
G
D
G
_
D
N
G
5
1
M
FE_CTRL3
L15
CLK_32K_OUT
L16
UART0_RD
L18
XTAL_32K_1
L19
KEYIO1
L2
KEYIO2
L4
E
R
O
C
V
_
D
N
G
5
L
E
R
O
C
V
_
D
D
V
7
L
E
R
O
C
V
_
D
D
V
7
K
E
R
O
C
V
_
D
D
V
8
K
E
R
O
C
V
_
D
D
V
9
K
KEYIO0
L1
E
R
O
C
V
_
D
D
V
0
1
L
E
R
O
C
V
_
D
D
V
1
1
L
E
R
O
C
V
_
D
D
V
2
1
L
E
R
O
C
V
_
D
D
V
3
1
L
E
R
O
C
V
_
D
D
V
3
1
K
FE_CTRL2
K15
GI
D
F
R
_
D
D
V
6
1
K
UART0_TD
K18
XTAL_32K_2
K19
KEYIN1
K2
KEYIN2
K4
OI
V
_
D
D
V
5
K
2
OI
V
_
D
D
V
5
J
E
R
O
C
V
_
D
N
G
7
J
E
R
O
C
V
_
D
N
G
8
J
E
R
O
C
V
_
D
N
G
9
J
KEYIN0
K1
E
R
O
C
V
_
D
D
V
0
1
K
E
R
O
C
V
_
D
D
V
1
1
K
E
R
O
C
V
_
D
D
V
2
1
K
E
R
O
C
V
_
D
N
G
2
1
J
E
R
O
C
V
_
D
N
G
3
1
J
FE_CTRL0
J15
FE_CTRL1
J16
NC
J18
NC
J19
GPIO52
J2
GPIO57
J4
GPIO38
H4
GPIO10
H5
E
R
O
C
V
_
D
N
G
7
H
E
R
O
C
V
_
D
N
G
8
H
E
R
O
C
V
_
D
N
G
9
H
GPIO39
J1
E
R
O
C
V
_
D
N
G
0
1
J
E
R
O
C
V
_
D
N
G
1
1
J
E
R
O
C
V
_
D
N
G
1
1
H
E
R
O
C
V
_
D
N
G
2
1
H
MI
S
V
_
D
D
V
3
1
H
A
P
G
D
G
_
D
N
G
5
1
H
NC
H16
SIM_DATA
H18
SIM_CLK
H19
F
R
_
D
N
G
2
H
F
R
_
D
N
G
2
G
GPIO8
G4
OI
_
F
R
_
D
D
V
5
G
E
R
O
C
V
_
D
N
G
7
G
E
R
O
C
V
_
D
N
G
8
G
E
R
O
C
V
_
D
N
G
9
G
F
R
_
D
N
G
1
H
E
R
O
C
V
_
D
N
G
0
1
H
E
R
O
C
V
_
D
N
G
0
1
G
ADDR11
G11
ADDR1
G12
MI
S
V
_
D
N
G
3
1
G
ADDR20
G15
SIM_RST
G16
DATA0
G18
DATA8
G19
ADDR18
F15
ADDR4
F16
DATA9
F18
DATA1
F19
F
R
_
D
N
G
2
F
F
R
_
D
D
V
4
F
F
R
_
D
N
G
5
F
RFIE_N
G1
F
R
_
D
N
G
2
E
F
R
_
D
N
G
4
E
F
R
_
D
N
G
5
E
F
R
_
D
N
G
6
E
F
R
_
D
N
G
7
E
E
R
O
C
V
_
D
N
G
8
E
ADDR9
E9
RFIE_P
F1
ADDR5
E11
NBE1
E12
NOE
E13
ADDR2
E14
ADDR19
E15
ADDR3
E16
DATA10
E18
DATA2
E19
F
R
_
D
N
G
4
D
F
R
_
D
N
G
5
D
F
R
_
D
N
G
6
D
F
R
_
D
N
G
7
D
E
R
O
C
V
_
D
N
G
8
D
ADDR10
D9
RFID_N
E1
ADDR6
E10
NRESET_OUT
D12
ADDR12
D13
ADDR13
D14
M
E
M
V
_
D
D
V
5
1
D
ADDR17
D16
DATA11
D18
DATA3
D19
F
R
_
D
N
G
2
D
E
R
O
C
V
_
D
N
G
9
B
NC
C1
DATA15
C18
DATA4
C19
F
R
_
D
N
G
2
C
RFID_P
D1
ADDR7
D10
NBE0
D11
DATA5
B19
F
R
_
D
N
G
2
B
F
R
_
D
N
G
3
B
F
R
_
D
D
V
4
B
XTAL_SHLD
B5
XTAL_SHLD
B6
XTAL_SHLD
B7
XTAL_SHLD
B8
NWE0
B11
NCS1
B12
ADDR15
B13
ADDR22
B14
M
E
M
V
_
D
D
V
5
1
B
ADDR21
B16
DATA12
B17
DATA13
B18
F
R
_
D
D
V
4
A
XTAL_SHLD
A5
XTAL_26M_2
A6
XTAL_26M_1
A7
XTAL_SHLD
A8
E
R
O
C
V
_
D
N
G
9
A
NC
B1
ADDR8
B10
M
E
M
_
D
D
V
4
1
A
M
E
M
_
D
D
V
5
1
A
ADDR14
A16
DATA6
A17
DATA7
A18
DATA14
A19
RFOL
A2
F
R
_
D
N
G
3
A
U206
NC
1
NC
2
RFOH
A1
ADDR16
A10
NCS2
A11
NCS0
A12
1
M
E
M
_
D
D
V
3
1
A
VPERM_3.0V
VCORE_1.25V
TH200
VCORE_1.25V
VGPIO_2.8V
VANA_2.85V
C222
R207
VBAT
VBAT
0
0
2
L
VRF_2.85V
2
1
D
N
G
2
D
N
G
4
T
O
H
1
3
T
O
H
OSC201
VPERM_3.0V
1
0
2
L
D201
L202
D200
R209
C223
VBG
A(22)
A(17)
KEYOUT(0)
JIG_ON
RX_SEL
TORCH_EN
A(17:22)
A(18)
A(19)
A(20)
A(21)
TDI
SIM_DATA
SIM_CLK
SIM_RST
VCORE_1.25V
RAMP
CHG_SW
CHG_REG
VCHG_P
AUX_DET
32KHz_DIGIT
LCD_BL_EN
FM_SCL
VF
FM_SDA
SYSRST
RSTON
UART1_RTS
UART0_TD
UART0_RD
EGSMRX_P
EGSMRX_N
DCS_TX
EGSM_TX
DCSRX_P
DCSRX_N
VCM_OUT
OEn
WEn
RTCK
TMS
TCK
TDO
TRST_N
NCSRAM
NCSFLASH
UB
LB
VPERM_3.0V
VANA_2.85V
VRF_2.85V
VSIM_3.0V
VMEM_1.8V
VGPIO_2.8V
BAND_SEL
NCS0
ONKEY_2
ONKEY_1
ICHGN
ICHGP
UART1_TD
UART1_RD
UART1_CTS
KEYIN(1)
KEYIN(0)
KEYIO(0:2)
KEYIO(2)
KEYIO(1)
KEYIO(0)
MIC_P
MIC_N
EAR_MIC_P
EAR_MIC_N
MIC_BIAS
EAR_P
EAR_N
SPK_P
SPK_N
EAR_SW_REF
EAR_SW
FM_L
FM_R
MD(2)
MD(3)
MD(4)
MD(5)
MD(6)
MD(7)
MD(8)
MD(9)
MD(10)
MD(11)
MD(12)
MD(13)
MD(14)
MD(15)
KEY_LED_ON
FM_INT
VIB_EN
LCD_DET
FM_RST
KEYOUT(0:3)
KEYOUT(3)
KEYOUT(2)
KEYOUT(1)
KEYIN(0:2)
KEYIN(2)
PON_PA
MOD_STANDBY
A(13)
A(14)
A(15)
MD(0:15)
MD(0)
MD(1)