Sa
msung
Confidentia
l
Sa
msung
Confidentia
l
Sa
msung
Confidentia
l
rf29|ecad23|10.244.89.238|20100714-131535
E1252B
E1252
NEAR VOLTAGE REGULATOR
5
6 6
7
G G
8 9
G G
10
SIM202
1
1
2
2
3
3
4 4
5
VSIM2_3.0V
R242
VSIM1_3.0V
VPERM_3.0V
VRF_2.85V
4
1
R203
8 9
G G
10
OSC201
2
3
1
1
2
2
3
3
4 4
5
5
6 6
7
G G
SIM201
C243
C241
C209
VSIM1_3.0V
C223
V_BATT
R211
C237
C230
VSIM1_3.0V
4
5
NC
NC
6
7
NC
BTC200
1
1
2
2
3
3
NC
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
V13
VDD_VP
ERM
V14
PMU_VSIM
V15
PMU_VMEM
V16
VCM_OUT
V17
VCM_OUT
V18
G
ND
_AUD
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
V12
VC
O
RE
T19
EXTMIC_IN_P
T2
SSI_SEL2
NRESET
T4
T5
PWM_OUT1
T6
PWM_OUT2
T7
PWM_OUT0
T8
POK_IN
T9
VDD_G
PP
M
T10
G
ND
_V
BAT_SNS
T11
VBA
T_DCDC
T12
VBA
T_DCDC
T13
G
ND
_AUD
_D
RV
T14
G
ND
_AUD
_D
RV
T15
G
ND
_AUD
_D
RV
T16
G
ND
_SUB
T18
INTMIC_BIAS
R2
TMS
R4
TEST
R5
VDD_V
IO
R6
G
ND
_G
D
G
PA
R7
CLK_BT
R8
AUX_POK
R9
VBA
T_SENSE
T1
SSI_CLK
R11
G
ND
_V
CO
RE
R12
VBA
T_A
NA
R13
VBA
T_A
NA
R14
VDD_A
UDIO_DRV
R15
VDD_A
UDIO_DRV
R16
VDD_A
UDIO
R18
AUXAUD_IN_R
R19
EXTMIC_IN_N
P16
VBG
P18
AUXAUD_IN_L
P19
HKSW_DET1
P2
TCK
P4
RTCK
P5
VDD_VIO
R1
SSI_SEL0
R10
GATE_REG
N2
KEYOUT3
N4
TDI
N5
VDD_V
IO
N7
G
ND
_V
CO
RE
N8
PM
U_LD
O
N9
G
ND
_V
CO
RE
P1
TDO
P15
G
ND
_V
BG
N10
G
ND
_V
CO
RE
N11
G
ND
_V
CO
RE
N12
USB_D
P
N13
USB_D
N
N15
VDD_G
PP
M
N16
AUX_ADC1
N18
CLK_XOUT
N19
HKSW_DET2
M19
AUX_ADC_0
M2
KEYOUT1
M4
NTRST
M
5
G
ND
_V
CO
RE
M7
VDD_VC
O
RE
M8
VDD_VC
O
RE
M9
VDD_VC
O
RE
N1
KEYOUT2
M1
KEYOUT0
M10
VDD_VC
O
RE
M11
VDD_VC
O
RE
M12
VDD_VC
O
RE
M13
NC
M
15
G
ND
_G
D
G
PA
M16
PA_RAMP
M18
VBA
T_RTC
L18
UART0_RD
L19
XTAL_32K_1
L2
KEYIO1
L4
KEYIO2
L5
G
ND
_V
CO
RE
L7
VDD_V
CO
RE
L8
VDD_V
CO
RE
L9
VDD_V
CO
RE
K9
VDD_V
CO
RE
L1
KEYIO0
L10
VDD_V
CO
RE
L11
VDD_V
CO
RE
L12
VDD_V
CO
RE
L13
VDD_V
CO
RE
L15
FE_CTRL3
L16
CLK_32K_OUT
K16
VDD_RFDIG
K18
UART0_TD
K19
XTAL_32K_2
K2
KEYIN1
K4
KEYIN2
K5
VDD_V
IO
K7
VDD_VCORE
K8
VDD_VCORE
J8
G
ND
_V
CO
RE
J9
G
ND
_V
CO
RE
K1
KEYIN0
K10
VDD_VCORE
K11
VDD_VCORE
K12
VDD_VCORE
K13
VDD_VCORE
K15
FE_CTRL2
J15
FE_CTRL0
J16
FE_CTRL1
J18
PCM_SYNC
J19
PCM_CLK
J2
GPIO52
J4
GPIO57
J5
VDD_VIO
2
J7
G
ND
_V
CO
RE
H7
G
ND
_V
CO
RE
H8
G
ND
_V
CO
RE
H9
G
ND
_V
CO
RE
J1
GPIO39
J10
G
ND
_V
CO
RE
J11
G
ND
_V
CO
RE
J12
G
ND
_V
CO
RE
J13
G
ND
_V
CO
RE
H
13
VDD_VSIM
H15
PCM_DI
H16
PCM_DO
H18
SIM_DATA
H19
SIM_CLK
H2
G
ND
_RF
H4
GPIO38
H5
GPIO10
G
5
VDD_RF_IO
G
7
G
ND
_V
CO
RE
G
8
G
ND
_V
CO
RE
G
9
G
ND
_V
CO
RE
H1
G
ND
_RF
H10
G
ND
_V
CO
RE
H11
G
ND
_V
CO
RE
H12
G
ND
_V
CO
RE
G12
ADDR1
G
13
G
ND
_V
SIM
G15
ADDR20
G16
SIM_RST
G18
DATA0
G19
DATA8
G
2
G
ND
_RF
G4
GPIO8
F18
DATA9
F19
DATA1
F2
G
ND
_RF
F4
VDD_RF
F5
G
ND
_RF
G1
RFIE_N
G
10
G
ND
_V
CO
RE
G11
ADDR11
E5
G
ND
_RF
E6
G
ND
_RF
E7
G
ND
_RF
E8
G
ND
_V
CO
RE
E9
ADDR9
F1
RFIE_P
F15
ADDR18
F16
ADDR4
E13
NOE
E14
ADDR2
E15
ADDR19
E16
ADDR3
E18
DATA10
E19
DATA2
E2
G
ND
_RF
E4
G
ND
_RF
D
6
G
ND
_RF
D
7
G
ND
_RF
D
8
G
ND
_V
CO
RE
D9
ADDR10
E1
RFID_N
E10
ADDR6
E11
ADDR5
E12
NBE1
D14
ADDR13
D15
VDD_VMEM
D16
ADDR17
D18
DATA11
D19
DATA3
D
2
G
ND
_RF
D
4
G
ND
_RF
D
5
G
ND
_RF
C18
DATA15
C19
DATA4
C2
G
ND
_RF
D1
RFID_P
D10
ADDR7
D11
NBE0
D12
NRESET_OUT
D13
ADDR12
B3
G
ND
_RF
B4
VDD_RF
B5
XTAL_SHLD
B6
XTAL_SHLD
B7
XTAL_SHLD
B8
XTAL_SHLD
B9
G
ND
_V
CO
RE
C1
RFIP_N
B13
ADDR15
B14
ADDR22
B15
VDD_VMEM
B16
ADDR21
B17
DATA12
B18
DATA13
B19
DATA5
B2
G
ND
_RF
A6
XTAL_26M_2
A7
XTAL_26M_1
A8
XTAL_SHLD
A9
G
ND
_V
CO
RE
B1
RFIP_P
B10
ADDR8
B11
NWE0
B12
NCS1
A16
ADDR14
A17
DATA6
A18
DATA7
A19
DATA14
A2
RFOL
A3
G
ND
_RF
A
4
VDD_RF
A5
XTAL_SHLD
2
NC
A1
RFOH
A10
ADDR16
A11
NCS2
A12
NCS0
A
13
VDD_VMEM1
A
14
VDD_VMEM
A
15
VDD_VMEM
2
4
3
1
UCP200
1
NC
OSC200
R244
R245
C228
L200
V_BATT
C225
CREC
K1
NC
K14
NC
V_BATT
ADQ4RC
G8
ADQ11RC
G9
ADQ10RC
H11
DNU
H12
NC
H3
NC
H
4
VC
C
RC
H7
CSNC
H8
ADQ2RC
G
10
VCC
QRC
G11
ADQ1RC
G12
ADQ0RC
G3
ADQ15RC
G4
ADQ14RC
G
5
VSSQRC
G6
ADQ5RC
G7
ADQ8RC
F12
OENRC
F3
VSSRC
F4
ADQ7RC
F5
ADQ6RC
F6
ADQ13RC
F7
ADQ12RC
F8
ADQ3RC
F9
VCC
QRC
E4
A16RC
E5
A20RC
E6
ADVNRC
E7
A23R
E8
RSTNR
E9
WPNR
F10
ADQ9RC
F11
VSSRC
D6
CLKRC
D7
VC
C
RC
D8
WENRC
D9
VP
PR
E10
A18RC
E11
CENR
E12
VSSQRC
E3
DNU
C7
LBNC
C8
UBNC
D10
A19RC
D11
A17RC
D12
A22RC
D3
F-RDYR|P-WAITNC
D4
A21RC
D5
1
NC
2
NC
A1
NC
A14
NC
C11
A24R
C12
NC
C3
NC
C4
UME200
VCORE_1.25V
C200
VMEM_1.8V
C204
VCORE_1.25V
VANA_2.85V
R235
TP201
R209
VCORE_1.25V
C203
VMEM_1.8V
VCHG_5V
TP200
C216
L202
C208
VMEM_1.8V
VGPIO_2.8V
R201
C214
C231
C236
VGPIO_2.8V
C221
R205
C226
C245
R202
C218
C213
R233
R234
C201
VANA_2.85V
L201
C235
C219
VRF_2.85V
R217
C212
V_BATT
C242
R214
R200
C217
R238
C202
VBG
VBG
C211
V_BATT
VRF_2.85V
C207
C215
VSIM2_3.0V
C206
C244
C227
C234
R210
VMEM_1.8V
R240
VANA_2.85V
C222
ZD200
D200
3
1
2
C205
R237
R236
R239
R241
VPERM_3.0V
VCORE_1.25V
C224
TP216
C220
R243
TH200
6
G1
2
4
G2
1
S1
3
S2
U201
7
D1
D1
8
5
D2
D2
C210
C239
SI
M
_I
|O
8
9
SIM_RST
7
SI
M
_V
CC
5
VBA
T
3
VDD
1
_STOP
NC
4
NC
6
NC
12
NC
16
NC
18
19
NC
RST
14
11
SIM_CLK
13
CLK
GND
10
17
G
ND
15
I|O
MOD_VCC
2
C240
U200
C238
V_BATT
DU
VANA_2.85V
UB
LB
NCSRAM
SI
M
2_CLK_LS
SI
M
2_DA
TA_LS
SI
M
2_RST_LS
SIM2_CLK
SIM2_RST
SI
M
2_DA
TA
VSIM2_MOD
VSIM2_EN
LCD_RESET
LCD_BL_EN
VCHG_5V
A(13)
SYSRST
A(14)
A(15)
NCSFLASH
WEn
OEn
BT_CLK
CHG_SW
CHG_REG
ICHGP
ICHGN
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
SIM1_RST
SIM1_CLK
SIM1_DATA
SIM2_RST
SIM2_CLK
SIM2_DATA
BATT_GND
FM_SDA
AUDIO_SW
MD(3)
MD(2)
MD(1)
MD(0)
A(17:24)
A(22)
A(21)
A(20)
A(19)
A(18)
A(17)
A(23)
A(24)
VSIM2_EN
JIG_ON
A(24)
MD(0:15)
MD(15)
MD(14)
MD(13)
MD(12)
MD(11)
MD(10)
MD(9)
MD(8)
MD(7)
MD(6)
MD(5)
MD(4)
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)
VF
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
SAMSUNG PROPRIETARY
THIS DOCUM
E NT CONTAINS
C ONFIDE NTI AL
PROPRIETARY I NFORMATION THAT I S
SAMSUNG EL
E CTRONICS CO
’
S
PR OPERTY.
DO NOT DISCLOS E TO OR DU
P
LIC ATE FO R O THERS
EXCEPT AS AUTHORIZED BY SAM
S
UNG.
Service schematics