SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-21
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E1252B
E1252
NEAR VOLTAGE REGULATOR
VPERM_3.0V
VRF_2.85V
4
1
OSC201
2
3
C209
VSIM1_3.0V
C230
VSIM1_3.0V
W8
ICHGN
W9
ICHGP
VPERM_3.0V
V_BATT
W18
HSET_OUT_N
W19
HSET_OUT_P
W2
GPIO5
W3
GPIO20
W4
GPIO1
UART1_RD
W5
W6
UART1_RTS
W7
LDO_EN
W10
GATE_SW
W11
SWCORE
W12
PMU_VPERM
W13
PMU_VRF
W14
PMU_VANA
W15
PMU_VIO
W16
EAR_OUT_N|R
W17
EAR_OUT_P|L
V3
GPIO6
V4
GPIO7
V5
UART1_TD
V6
THERM_IN
V7
UART1_CTS
V8
POK_OUT
V9
ACC_DET_IN
W1
GPIO40
V
1
3
V
D
D
_V
P
E
R
M
V14
PMU_VSIM
V15
PMU_VMEM
V16
VCM_OUT
V17
VCM_OUT
V
18
G
N
D
_
A
U
D
V19
INTMIC_IN_P
V2
GPIO2
U1
SSI_DATA
U18
EXTMIC_BIAS
U19
INTMIC_IN_N
U2
SSI_OUT
V1
GPIO41
V10
VCHG
V11
SWCORE
V
1
2
V
C
O
R
E
T19
EXTMIC_IN_P
T2
SSI_SEL2
NRESET
T4
T5
PWM_OUT1
T6
PWM_OUT2
T7
PWM_OUT0
T8
POK_IN
T
9
V
D
D
_G
P
P
M
T
10
G
N
D
_
V
B
A
T
_
S
N
S
T
11
V
B
A
T
_
D
C
D
C
T
12
V
B
A
T
_
D
C
D
C
T
13
G
N
D
_
A
U
D
_D
R
V
T
14
G
N
D
_
A
U
D
_D
R
V
T
15
G
N
D
_
A
U
D
_D
R
V
T
16
G
N
D
_
S
U
B
T18
INTMIC_BIAS
R2
TMS
R4
TEST
R
5
V
D
D
_V
IO
R
6
G
N
D
_
G
D
G
P
A
R7
CLK_BT
R8
AUX_POK
R
9
V
B
A
T
_S
E
N
S
E
T1
SSI_CLK
R
11
G
N
D
_
V
C
O
R
E
R
12
V
B
A
T
_A
N
A
R
13
V
B
A
T
_A
N
A
R
14
V
D
D
_A
U
D
IO
_D
R
V
R
15
V
D
D
_A
U
D
IO
_D
R
V
R
16
V
D
D
_A
U
D
IO
R18
AUXAUD_IN_R
R19
EXTMIC_IN_N
P
1
6
V
B
G
P18
AUXAUD_IN_L
P19
HKSW_DET1
P2
TCK
P4
RTCK
P
5
V
D
D
_V
IO
R1
SSI_SEL0
R10
GATE_REG
N2
KEYOUT3
N4
TDI
N
5
V
D
D
_V
IO
N
7
G
N
D
_
V
C
O
R
E
N
8
P
M
U
_
LD
O
N
9
G
N
D
_
V
C
O
R
E
P1
TDO
P
15
G
N
D
_
V
B
G
N
10
G
N
D
_
V
C
O
R
E
N
11
G
N
D
_
V
C
O
R
E
N
12
U
S
B
_D
P
N
13
U
S
B
_D
N
N
15
V
D
D
_G
P
P
M
N16
AUX_ADC1
N18
CLK_XOUT
N19
HKSW_DET2
M19
AUX_ADC_0
M2
KEYOUT1
M4
NTRST
M
5
G
N
D
_
V
C
O
R
E
M
7
V
D
D
_V
C
O
R
E
M
8
V
D
D
_V
C
O
R
E
M
9
V
D
D
_V
C
O
R
E
N1
KEYOUT2
M1
KEYOUT0
M
10
V
D
D
_V
C
O
R
E
M
11
V
D
D
_V
C
O
R
E
M
12
V
D
D
_V
C
O
R
E
M
13
N
C
M
15
G
N
D
_
G
D
G
P
A
M16
PA_RAMP
M
18
V
B
A
T
_R
T
C
L18
UART0_RD
L19
XTAL_32K_1
L2
KEYIO1
L4
KEYIO2
L5
G
N
D
_
V
C
O
R
E
L7
V
D
D
_V
C
O
R
E
L8
V
D
D
_V
C
O
R
E
L9
V
D
D
_V
C
O
R
E
K
9
V
D
D
_V
C
O
R
E
L1
KEYIO0
L
10
V
D
D
_V
C
O
R
E
L
11
V
D
D
_V
C
O
R
E
L
12
V
D
D
_V
C
O
R
E
L
13
V
D
D
_V
C
O
R
E
L15
FE_CTRL3
L16
CLK_32K_OUT
K
16
V
D
D
_
R
F
D
IG
K18
UART0_TD
K19
XTAL_32K_2
K2
KEYIN1
K4
KEYIN2
K
5
V
D
D
_V
IO
K
7
V
D
D
_V
C
O
R
E
K
8
V
D
D
_V
C
O
R
E
J8
G
N
D
_
V
C
O
R
E
J9
G
N
D
_
V
C
O
R
E
K1
KEYIN0
K
10
V
D
D
_V
C
O
R
E
K
11
V
D
D
_V
C
O
R
E
K
12
V
D
D
_V
C
O
R
E
K
13
V
D
D
_V
C
O
R
E
K15
FE_CTRL2
J15
FE_CTRL0
J16
FE_CTRL1
J18
PCM_SYNC
J19
PCM_CLK
J2
GPIO52
J4
GPIO57
J5
V
D
D
_
V
IO
2
J7
G
N
D
_
V
C
O
R
E
H
7
G
N
D
_
V
C
O
R
E
H
8
G
N
D
_
V
C
O
R
E
H
9
G
N
D
_
V
C
O
R
E
J1
GPIO39
J1
0
G
N
D
_
V
C
O
R
E
J1
1
G
N
D
_
V
C
O
R
E
J1
2
G
N
D
_
V
C
O
R
E
J1
3
G
N
D
_
V
C
O
R
E
H
13
V
D
D
_V
S
IM
H15
PCM_DI
H16
PCM_DO
H18
SIM_DATA
H19
SIM_CLK
H
2
G
N
D
_
R
F
H4
GPIO38
H5
GPIO10
G
5
V
D
D
_R
F
_
IO
G
7
G
N
D
_
V
C
O
R
E
G
8
G
N
D
_
V
C
O
R
E
G
9
G
N
D
_
V
C
O
R
E
H
1
G
N
D
_
R
F
H
10
G
N
D
_
V
C
O
R
E
H
11
G
N
D
_
V
C
O
R
E
H
12
G
N
D
_
V
C
O
R
E
G12
ADDR1
G
1
3
G
N
D
_
V
S
IM
G15
ADDR20
G16
SIM_RST
G18
DATA0
G19
DATA8
G
2
G
N
D
_
R
F
G4
GPIO8
F18
DATA9
F19
DATA1
F
2
G
N
D
_
R
F
F
4
V
D
D
_R
F
F
5
G
N
D
_
R
F
G1
RFIE_N
G
1
0
G
N
D
_
V
C
O
R
E
G11
ADDR11
E
5
G
N
D
_
R
F
E
6
G
N
D
_
R
F
E
7
G
N
D
_
R
F
E
8
G
N
D
_
V
C
O
R
E
E9
ADDR9
F1
RFIE_P
F15
ADDR18
F16
ADDR4
E13
NOE
E14
ADDR2
E15
ADDR19
E16
ADDR3
E18
DATA10
E19
DATA2
E
2
G
N
D
_
R
F
E
4
G
N
D
_
R
F
D
6
G
N
D
_
R
F
D
7
G
N
D
_
R
F
D
8
G
N
D
_
V
C
O
R
E
D9
ADDR10
E1
RFID_N
E10
ADDR6
E11
ADDR5
E12
NBE1
D14
ADDR13
D
15
V
D
D
_
V
M
E
M
D16
ADDR17
D18
DATA11
D19
DATA3
D
2
G
N
D
_
R
F
D
4
G
N
D
_
R
F
D
5
G
N
D
_
R
F
C18
DATA15
C19
DATA4
C
2
G
N
D
_
R
F
D1
RFID_P
D10
ADDR7
D11
NBE0
D12
NRESET_OUT
D13
ADDR12
B
3
G
N
D
_
R
F
B
4
V
D
D
_R
F
B5
XTAL_SHLD
B6
XTAL_SHLD
B7
XTAL_SHLD
B8
XTAL_SHLD
B
9
G
N
D
_
V
C
O
R
E
C1
RFIP_N
B13
ADDR15
B14
ADDR22
B
15
V
D
D
_
V
M
E
M
B16
ADDR21
B17
DATA12
B18
DATA13
B19
DATA5
B
2
G
N
D
_
R
F
A6
XTAL_26M_2
A7
XTAL_26M_1
A8
XTAL_SHLD
A
9
G
N
D
_
V
C
O
R
E
B1
RFIP_P
B10
ADDR8
B11
NWE0
B12
NCS1
A16
ADDR14
A17
DATA6
A18
DATA7
A19
DATA14
A2
RFOL
A
3
G
N
D
_
R
F
A
4
V
D
D
_R
F
A5
XTAL_SHLD
2
NC
A1
RFOH
A10
ADDR16
A11
NCS2
A12
NCS0
A
13
V
D
D
_V
M
E
M
1
A
14
V
D
D
_
V
M
E
M
A
15
V
D
D
_
V
M
E
M
2
4
3
1
UCP200
1
NC
OSC200
R244
R245
C228
L200
V
_
B
A
T
T
VCORE_1.25V
C204
VCORE_1.25V
VANA_2.85V
R209
VCORE_1.25V
C203
VMEM_1.8V
L202
C208
VMEM_1.8V
VGPIO_2.8V
R201
C
21
4
C231
VGPIO_2.8V
R205
C
21
3
R233
R234
VANA_2.85V
L201
VRF_2.85V
R217
C212
V_BATT
C242
C202
VBG
VBG
C211
V_BATT
VRF_2.85V
C207
C206
C244
C227
R210
VANA_2.85V
D200
3
1
2
C205
VPERM_3.0V
VCORE_1.25V
C224
TH200
C210
DU
LCD_RESET
LCD_BL_EN
VCHG_5V
BT_CLK
RCV_P
PON_PAM
VMEM_1.8V
VIB_EN
TORCH_EN
VSIM1_3.0V
VCM_OUT
UART1_TD
VF
UART1_CTS
ONKEY_1
AUX_DET
CHG_SW
VPERM_3.0V
VRF_2.85V
VANA_2.85V
VGPIO_2.8V
UART1_RD
UART1_RTS
ICHGN
ICHGP
FM_SCL
SYS_CLK_REQ
BT_INT
RTCK
SPI_CS
CHG_REG
TMS
SPI_CLK
BATT_GND
BT_RST
RSTON
SIM2_CLK_LS
SIM2_RST_LS
SIM2_DATA_LS
ONKEY_2
SPI_DO
SPI_DI
SIM1_RST
DD
SIM1_DATA
SIM1_CLK
BAND_SEL
STAND_BY
FSC
DCL
UART0_RD
32KHz_DIGIT
UART0_TD
RAMP
TRST_N
TDI
KEY_LED_3.3V
TDO
TCK
DCS_TX
NCSRAM
LCD_CS
EGSM_TX
WEn
NCSFLASH
DCSRX_P
LB
SYSRST
DCSRX_N
UB
OEn
EGSMRX_P
EGSMRX_N
FM_SDA
AUDIO_SW
A(24)
VSIM2_EN
JIG_ON
A(13)
A(14)
A(15)
A(23)
VSIM2_MOD
MD(4)
MD(5)
MD(6)
MD(7)
MD(8)
MD(9)
MD(10)
MD(11)
MD(12)
MD(13)
MD(14)
MD(15)
A(17:22)
A(18)
A(19)
A(20)
A(21)
A(22)
A(17)
VCORE_1.25V
EAR_SW
MIC_P
MIC_N
EAR_MIC_P
EAR_MIC_N
MIC_BIAS
EAR_P
EAR_N
RCV_N
FM_L
FM_R
MD(0:15)
MD(0)
MD(1)
MD(2)
MD(3)
KEYOUT(0:3)
KEYOUT(3)
KEYOUT(2)
KEYOUT(1)
KEYIN(0:2)
KEYIN(2)
KEYIN(1)
KEYIN(0)
KEYIO(0:2)
KEYIO(2)
KEYIO(1)
KEYIO(0)
KEYOUT(0)
EAR_SW_REF
VGPIO_2.8V
VMEM_1.8V
V_BATT
6
8
18
7
28
5
3
30
29
14
15
16
17
19
1
32
2
31
23
24
25
26
27
11
12
13
4
9
10
20
21
22
LCD300
A(20)
MD(7)
MD(6)
MD(5)
MD(3)
MD(4)
LCD_CS
LCD_BL(2)
LCD_BL(1)
LCD_BL(3)
MD(2)
MD(1)
MD(0)
OEn
WEn
LCD_RESET
C120
V_BATT
R102
10
D3
EN
4
GND
8
1
1
G
N
D
3
IN
1
NC
NC
2
9
NC
C400
U102
7
D1
D2
6
5
LCD_BL_EN
LCD_BL(3)
LCD_BL(2)
LCD_BL(1)
C
10
2
C
10
3
C
1
20
C202
C203
C204
C205
C206
C207
C
20
8
C209
C210
C211
C212
C213
C214
C215
C216
C217
C218
C
2
19
C
2
20
C
22
4
C227
C228
C
24
2
C
24
4
C245
C300
C
30
1
C302
C
30
3
C
30
4
C
30
5
L
20
0
L201
L2
02
O
S
C
20
0
OSC201
R
1
02
R
12
0
R
12
1
R200
R
2
01
R205
R209
R
21
7
R238
R239
R240
R
2
4
1
R
2
42
R
30
0
R301
R
30
5
TA301
TH200
TP201
U10
2
U
C
P
20
0
UM
E20
0
ZD311