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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
0
R100
VDDMS
VDDTRX
1V8_VDD
VDDRF2
ZD100
VDDTDC
100K
R126
VRF1
1u
C119
VDDXO
4.7n
C116
VBAT_RF2
470n
C122
47n
C118
47n
C117
VBAT
1u
C113
220n
C115
18p
C114
1V8_VDD
1V8_VDD
1V8_VDD
C121
1u
0.1u
C111
1V8_VDD
0.1u
C112
0.1u
C101
1u
C110
2.2u
C104
VUSB
VBAT
VCORE
VMMC
0.1u
C108
VAUX
0.1u
C105
470n
C107
VPMU
220n
C109
470n
C106
VRTC
4.7K
R101
BAT100
C148
0.1u
KB100
47p
C135
47p
C136
TP107
47p
C139
47p
C140
DNI
C142
1V8_VDD
DNI
R109
10K
PT100
8
K
7
T
8
R
9
M
6
T
8
M
8
L
2
1
L
7
1
C
7
1
F
2
1
H
5
1
G
1
1
M
9
L
4
1
F
0
1
P
4
1
E
6
1
G
8
1
R
4
1
B
3
1
E
U101
5
1
H
4
1
G
5
1
A
2
1
J
5
1
F
6
1
F
7
1
P
6
1
P
0
1
G
0
1
K
7
R
1
1
J
1
1
H
0
1
F
3
A
1
1
T
2
1
P
8
H
6
P
6
F
9
K
1
1
G
0
1
N
8
1
P
3
1
L
6
1
L
9
R
9
T
8
T
9
P
T12
P13
R12
P15
P14
T15
R15
T14
R14
N17
N18
T16
R16
M18
M17
K17
P11
P4
J4
T2
J5
G1
L4
J3
L2
P5
P2
J8
T5
P1
T4
R6
R2
N2
B1
A2
G6
H4
H2
G2
G3
H3
H1
H6
K4
K2
J1
K3
L3
J2
M2
L1
M3
R1
P7
N6
N4
L5
M5
T3
R4
R3
P3
M1
M4
N3
N5
R5
L11
K12
L10
G12
H13
J13
F13
G13
C6
J14
J15
K18
H17
H18
G18
J18
J17
H14
E1
G4
G5
F2
F3
F1
D2
D1
E2
M10
A13
B13
K14
K13
B4
A5
B5
A4
J10
H9
J9
H10
B16
C14
B17
B18
C15
B15
C16
E18
F18
C18
D18
A16
A17
R17
T17
M13
M12
N13
R13
T13
N14
1
1
F
1
T
8
1
T
8
1
A
1
A
1
1
R
7
A
7
B
0
1
C
0
1
B
0
1
A
0
1
D
6
B
5
1
L
7
1
L
8
1
L
6
A
0
1
R
0
1
T
2
1
F
1
1
E
1
1
C
1
1
B
1
1
D
2
1
E
2
1
D
2
1
C
2
1
B
2
1
A
1
1
A
8
E
9
G
8
F
9
E
9
F
8
G
0
1
E
9
C
8
C
9
B
9
A
7
C
8
B
8
A
2
B
2
C
4
E
6
D
5
C
5
E
5
F
1
C
4
D
3
B
3
C
4
C
5
D
4
F
3
D
3
E
0
D
_
F
I
D
1
D
_
F
I
D
2
D
_
F
I
D
3
D
_
F
I
D
4
D
_
F
I
D
5
D
_
F
I
D
6
D
_
F
I
D
7
D
_
F
I
D
8
D
_
F
I
D
1
S
C
_
F
I
D
D
C
_
F
I
D
R
W
_
F
I
D
D
R
_
F
I
D
D
H
_
F
I
D
D
V
_
F
I
D
T
E
S
E
R
_
F
I
D
0
D
_
F
I
C
1
D
_
F
I
C
2
D
_
F
I
C
3
D
_
F
I
C
4
D
_
F
I
C
5
D
_
F
I
C
6
D
_
F
I
C
7
D
_
F
I
C
K
L
C
P
_
F
I
C
C
N
Y
S
H
_
F
I
C
C
N
Y
S
V
_
F
I
C
2
T
U
O
K
L
C
D
P
_
F
I
C
T
E
S
E
R
_
F
I
C
0
N
I
_
P
K
1
N
I
_
P
K
2
N
I
_
P
K
3
N
I
_
P
K
4
N
I
_
P
K
5
N
I
_
P
K
0
T
U
O
_
P
K
1
T
U
O
_
P
K
2
T
U
O
_
P
K
3
T
U
O
_
P
K
5
T
U
O
_
P
K
B
I
V
B
I
V
_
S
S
V
0
T
U
O
K
L
C
K
2
3
F
K
2
3
C
S
O
N
_
T
E
S
E
R
N
I
2
T
0
K
L
C
_
1
S
2
I
X
R
_
1
S
2
I
X
T
_
1
S
2
I
0
A
W
_
1
S
2
I
L
C
S
_
C
2
I
A
D
S
_
C
2
I
F
F
O
N
O
1
C
N
2
C
N
3
C
N
4
C
N
S
F
D
D
V
M0
M1
M2
VDD_FMR
FMRIN
FMRINX
CP1
CP2
TX1
FE2
RX12
RX12X
RX34
RX34X
VDET
PABS
PABIAS
FE1
TX2
PAEN
VDDTRX
USIF2_TXD_MTSR
USIF2_RXD_MRST
USIF2_RTS_N
USIF2_CTS_N
USIF1_TXD_MTSR
USIF1_RXD_MRST
USIF1_RTS_N
USIF1_CTS_N
DPLUS
DMINUS
XOX
XO
VSIM
SIM_IO
SIM_CLK
SIM_RST
MMCI_CMD
MMCI_DAT_0
MMCI_CLK
MMCI_DAT_1
MMCI_DAT_2
MMCI_DAT_3
SWIF_TXRX
TDO
TDI
TMS
TCK
TRST_N
TRIG_IN
MON1
MON2
MON3
FSYS1
FSYS2
DIGUP_CLK
DIGUP1
DIGUP2
LEDFBN
LEDFBP
LEDDRV
A_D0
A_D1
A_D2
A_D3
A_D4
A_D5
A_D6
A_D7
A_D8
A_D9
A_D10
A_D11
A_D12
A_D13
A_D14
A_D15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
FWP
FCDP_RBn
CS0_n
CS1_n
CS2_n
ADV_n
RD_n
WR_n
WAIT_n
RAS_n
CAS_n
BC0_n
BC1_n
BC2_n
BC3_n
SDCLKO
BFCLKO_0
BFCLKO_1
CKE
ANAMON
FSYS_EN
EPN
EPP
HSL
HSR
LSN
LSP
MICN1
MICP1
MICN2
MICP2
VMIC
VUMIC
ACD
AGND
VREF
1
D
S
_
D
D
V
B
F
_
1
D
S
1
D
S
_
S
S
V
W
S
1
D
S
1
S
M
S
S
V
2
S
M
S
S
V
P
S
T
A
B
V
U
M
P
_
T
A
B
V
1
O
I
D
D
V
2
O
I
D
D
V
1
U
B
E
_
D
D
V
2
U
B
E
_
D
D
V
L
L
D
_
D
D
V
U
M
P
V
U
M
P
_
S
S
V
1
E
R
O
C
S
S
V
2
E
R
O
C
S
S
V
3
E
R
O
C
S
S
V
4
E
R
O
C
S
S
V
5
E
R
O
C
S
S
V
E
R
O
C
V
E
R
O
C
D
D
V
P
C
8
V
1
D
D
V
R
S
L
S
S
V
X
R
T
S
S
V
X
R
S
S
V
1
8
V
1
D
D
V
P
M
A
R
V
G
I
D
_
S
S
V
S
M
D
D
V
O
X
D
D
V
C
D
T
D
D
V
G
E
N
D
D
V
T
A
B
V
O
C
D
S
S
V
X
U
A
V
O
X
S
S
V
C
M
M
V
B
S
U
V
2
F
R
D
D
V
1
F
R
V
O
L
_
S
S
V
F
R
S
S
V
C
T
R
V
N
E
S
N
E
S
P
E
S
N
E
S
G
H
C
D
D
V
S
C
B
S
C
G
H
C
V
T
N
H
S
V
VBAT
VRTC
VRF1
VDDRF2
VUSB
VMMC
VAUX
VBAT_RF2
VPMU
1V8_VDD
1V8_VDD
1V8_VDD
1V8_VDD
VBAT
TP106
0.1u
C132
DNI
R110
C127
10u
4.7n
C129
VRTC
100
R125
VDDTRX
26MHz
X100 DSX321G-26M
2
1
3
4
VA101
VSIM_2V85
VMIC_P
1n
C138
K2.
2
32
1
R
K2.
2
42
1
R
1V8_VDD
18p
C146
18p
C145
32.768KHz
FC-135
X101
2
1
220n
C143
10u
C128
22u
C126
5.6K
R106
3.9K
R103
VDDXO
VBAT
3.3u
L100
100K
R105
VDDMS
Q100
1
2
3
VCORE
470
R102
1V8_VDD
VDDTDC
1V8_VDD
1V8_VDD
1V8_VDD
C144
1u
12K
R115
100K
R116
68n
L101
R127 0
R128
DNI
100K
R118
100K
R119
100K
R120
U100
B6
B3
B4
A4
A7
A3
A6
M8
L7
M7
N5
N4
M4
N3
N2
L8
M6
L6
N7
L5
M3
M2
M1
H7
D5
H8
D7
J1
G2
F2
H2
D3
F8
G8
B7
B8
C7
C8
C6
D8
C5
E6
J5
J7
K8
J8
K7
K6
K5
K4
J2
H3
E1
E2
J3
C4
D2
C3
D1
C2
B2
K3
K2
K1
J4
N9
N6
M10
L9
L2
K10
J10
H9
H1
G9
F10
E9
D10
C9
B10
B5
B1
A9
M5
A5
L4
L3
J6
H6
H5
H4
G7
G6
G5
G4
G3
F7
F6
F5
F4
F3
F1
E8
E7
E5
E4
E3
D6
D4
A2
M9
L10
K9
J9
H10
F9
E10
D9
C10
B9
N8
L1
G10
G1
C1
A8
0
1
N
1
N
0
1
A
1
A
1
C
N
6
2
C
N
8
2
C
N
9
2
C
N
VDD1
VDD2
VDD3
VDD5
VDD4
VDD6
VDDQ1
VDDQ6
VDDQ5
VDDQ4
VDDQ10
VDDQ9
VDDQ2
VDDQ8
VDDQ7
VDDQ3
NC27
NC20
NC21
NC9
NC19
NC8
NC11
NC12
NC17
NC18
NC7
NC16
NC25
NC6
NC10
NC5
NC13
NC14
NC4
NC2
NC24
NC22
NC23
NC15
NC3
VCC1
VCC2
VSS1
VSS4
VSS8
VSSQ5
VSSQ4
VSSQ9
VSSQ8
VSSQ3
VSS2
VSS3
VSSQ10
VSSQ1
VSSQ2
VSS5
VSSQ6
VSSQ7
VSS6
VSS7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
BA0
BA1
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
/CK
CK
CKE
/CS
/RAS
/CAS
/WED
UDQM
LDQM
UDQS
LDQS
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
IO8
IO9
IO10
IO11
IO12
IO13
IO14
IO15
/CE
/RE
/WE
CLE
ALE
/WP
R/B
0.1u
C120
DNI
C141
0
R122
C147
33p
2.2u
C100
0.1u
C130
0.1u
C103
0.1u
C125
0.1u
C123
0.1u
C124
0.1u
C131
1V8_VDD
VBUS_EXT
VBAT
UA100
12
11
10
9
8
7
6
5
4
3
2
1
GND
RX
TX
NC1
ON_SW
VBAT
NC2
NC3
NC4
DSR
RTS
CTS
GND
RX
TX
VCHAR
ON_SW
VBAT
PWR
URXD
UTXD
3G
2.5G
1V8_VDD
I
N
D
80
1
R
1V8_VDD
1V8_VDD
I
N
D
31
1
R
I
N
D
41
1
R
K7.
4
21
1
R
K7.
4
11
1
R
75
FB100
4
NI
_
P
K
0
NI
_
P
K
S
Cn
_
D
CL
_
B
U
S
BT_RESET_N
LCD_RESET_N
UART_RX
UART_RX
UART_TX
UART_TX
AD00
AD00
AD00
AD01
AD01
AD01
AD02
AD02
AD02
AD03
AD03
AD03
AD04
AD04
AD04
AD05
AD05
AD05
AD06
AD06
AD06
AD07
AD07
AD07
AD08
AD08
AD08
AD09
AD09
AD09
AD10
AD10
AD10
AD11
AD11
AD11
AD12
AD12
AD12
AD13
AD13
AD14
AD14
AD14
AD15
AD15
AD15
PWRON
N
O
R
W
P
USB_DM
USB_DP
VIB_P
P_
BI
V
DCS_PCS_OUT
GSM_OUT
SIM_DATA
SIM_CLK
KEY_BL_EN
HS_MIC_P
HS_MIC_N
BAT_TEMP
DI
_
D
CL
5T
U
O_
P
K
3T
U
O_
P
K
2T
U
O_
P
K
1T
U
O_
P
K
0T
U
O_
P
K
3
NI
_
P
K
2
NI
_
P
K
1
NI
_
P
K
XT
_
M
C
P
X
R_
M
C
P
I2C_SDA
I2C_SCL
FSYS_EN
N_
T
NI
_
B
B
A_I
NI
M
R
Wn
_
D
CL
C
N
Y
S
V_
D
CL
BT_WAKEUP
Y
B
D
N
AT
S_
M
A
C
70
AT
A
D_
D
CL
60
AT
A
D_
D
CL
50
AT
A
D_
D
CL
40
AT
A
D_
D
CL
30
AT
A
D_
D
CL
20
AT
A
D_
D
CL
10
AT
A
D_
D
CL
00
AT
A
D_
D
CL
S
Cn
_
D
CL
S
Rn
_
D
CL
T
E
S
E
R_
M
A
C
F_VIB_P
VBUS
RCV_SPK_N
RCV_SPK_P
F_MODE
F_MODE
HP_OUT_R
HP_OUT_L
MAIN_MIC_P
MAIN_MIC_N
DDR_CAS_N
DDR_CAS_N
DDR_RAS_N
DDR_RAS_N
DDR_CKE
DDR_CKE
DDR_CLK_P
DDR_CLK_P
DDR_DQS[1]
DDR_DQS[1]
DDR_DQS[0]
DDR_DQS[0]
SD_DATA15
SD_DATA15
BT_UART_RX
BT_UART_TX
ST
R_
T
R
A
U_
T
B
ST
C_
T
R
A
U_
T
B
BT_PCM_SYNC
BT_PCM_CLK
F_BOOT
F_BOOT
T
E
D_
E
S
N
E
S_
LL
A
H
MICROSD_DATA0
RF_TX_RAMP
MICROSD_DATA3
MICROSD_DATA2
MICROSD_DATA1
MICROSD_CMD
MICROSD_CLK
KL
C
M_
M
A
C
KL
C
P_
M
A
C
C
N
Y
S
H_
M
A
C
7
AT
A
D_
M
A
C
6
AT
A
D_
M
A
C
5
AT
A
D_
M
A
C
4
AT
A
D_
M
A
C
3
AT
A
D_
M
A
C
2
AT
A
D_
M
A
C
1
AT
A
D_
M
A
C
0
AT
A
D_
M
A
C
SIM_RESET_N
RF_TX_EN
NAND_DDR_WE_N
NAND_DDR_WE_N
NAND_DDR_WE_N
NAND_RE_N
NAND_RE_N
NAND_ALE_N
NAND_ALE_N
SD_DATA12
SD_DATA12
SD_DATA11
SD_DATA11
SD_DATA10
SD_DATA10
SD_DATA09
SD_DATA09
SD_DATA08
SD_DATA08
SD_DATA07
SD_DATA07
SD_DATA06
SD_DATA06
SD_DATA05
SD_DATA05
SD_DATA04
SD_DATA04
SD_DATA03
SD_DATA03
SD_DATA02
SD_DATA02
SD_DATA01
SD_DATA01
SD_DATA00
SD_DATA00
DDR_CS_N
DDR_CS_N
NAND_WP_N
NAND_WP_N
NAND_CS_N
NAND_CS_N
NAND_BSY_N
NAND_BSY_N
DDR_CLK_N
DDR_CLK_N
NAND_CLE_N
NAND_CLE_N
DDR_DQM[1]
DDR_DQM[1]
DDR_DQM[0]
DDR_DQM[0]
SD_DATA13
SD_DATA13
SD_DATA14
SD_DATA14
N_
T
E
D_
D
S
O
R
CI
M
K2
3
KL
C_
T
B
BT_26M_CLK
BT_WAKEUP_HOST
RF_VLOGIC
BS2
RX12
RX34X
RX34
RX12X
A_GND
C
N
Y
S
V_
M
A
C
FM_ANT_LNA
D
R_
D
CL
PIN_H12
Seperate and shield
PIN_H15
PIN_B16
RF SUPPLIES (DIRTY GND)
RF SUPPLIES (CLEAN GND)
(10V)
PIN_B14
PIN_E13
PIN_G16
PIN_G15
Speaker Supply
LG430G : C127 DNI
VDD_IO2
VBATSP
VDD1V8CP
VDD_IO1
PIN P16
PIN P18
PIN F6,P6
PIN G11
ABB SUPPLIES
DBB SUPPLIES
PIN K9
VDD_EBU
(10V)
PMU SUPPLIES
PIN K10
PIN M11
PIN L9
PIN P10
VBAT_PMU
PIN P12
PIN N10
Backup Battery
Name
VOLTAGE
NORMAL CURRENT
LRF2
LCORE
2.5V
2.5V
70mA
300mA
150mA
2.85V
1.8V
LIO
LAUX
150mA
LPMU
LUSB
3.1V
40mA
2mA
2.3V
LRTC
150mA
2.85V
1.2V
LMMC
15mA
LUSB
1.8V / 2.85V 30mA
OI
1
C
C1
C
C
OI
7
C
C1
C
C
OI
1
C
C0
C
C
PT101 is DNI defaultly
(5%)
VDDP_EBU
VDDP_DIG1
VDDP_DIG1
1
GI
D_
P
D
D
V
1
GI
D_
P
D
D
V
7T
NI
E
VDDP_DIG2
RF
VDDP_ULPI
Others : R101, BAT100 DNI
(1%)
AGR+ NAND
Connect GND plane directly
Close to the 26MHz XTAL
(1%)
RF
ABB
CC1CC6IO
EINT2
EINT3
VDDP_DIG1
EINT4/EINT1
CC0CC7IO
CC0CC1IO
RF
VDDP_DIG1
VDDP_MMC
VDDP_SIM
5T
NI
E
OI
4
C
C1
C
C
OI
4
C
C0
C
C
OI
0
C
C1
C
C
1T
NI
E
0T
NI
E
VDDP_DIG1
6T
NI
E
Power On
Factory Mode
Memory
OI
3
C
C1
C
C
Vibrator
VDDP_DIG1
(LS : not used)
4T
NI
E
CT
R_
D
D
V
0T
NI
E
0T
NI
E
Hynix 1G/512M DDR
6T
NI
E
1T
NI
E
VDDP_DIG1
ABB
VDDP_EBU
USIF1_RTS_N
uSD_DET
PIN NAME
EINT0
CC1CC6IO
EINT7
CC0CC1IO
MUIC_INT
DIGUP2
SIGNAL NAME
T2IN
SLIDE
_CHG_EOC
USIF1_CTS_N
EINT4
DIF_RESET
BT_DBB_INT
INT PORT
SIGNAL CHECK
UART Port
7. CIRCUIT DIAGRAM