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7. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R102
10K
16 15 14 13 12 11 10 9
8
7 6 5 4 3 2 1
L
K
J
I
H
G
F
E
D
C
B
A
L
K
J
I
H
G
F
E
D
C
B
A
16 15 14 13 12 11 10 9
8
7 6 5 4 3 2 1
C101
2.2u
1V8_VDD
1V8_VDD
VUSB
1n
C102
1V8_VDD
1V8_VDD
VBAT
75
FB101
R103
0
VCORE
R104
DNI
1V8_VDD
VDDMS
1V8_VDD
VUSB
VDDTRX
1V8_VDD
101TAB
1V8_VDD
1u
C104
VDDTDC
C105
220n
C106
0.1u
1V8_VDD
ON_SW
1V8_VDD
VDDRF2
100K
R105
VBUS_USB
47p
C108
VDDTDC
VMMC
470
R106
47p
C109C110
47p
VCORE
841R
K001
Q101
1
2
3
VRTC
VMMC
1V8_VDD
VRF1
C111
0.1u
VAUX
VAUX
C112
47p
0.1u
C113
1u
C114
VRF1VDDMS
OJ101
VMIC
100K
R107
VBAT
3.3u
101L
VBAT
VDDXO
C115
2.2u
TP101
VDDTRX
100K
R108
470n
C117
UA101
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
2V85_VSIM
VBAT_RF2
470n
C118
1V8_VDDVPMU
4.7nC119
VBAT
47n
C120
C121
470n
47n
C122
R137
1K
VPMU
VBAT
VBAT
VDDRF2
0.1u
C124
U101
9
R
5A
5B
8C
8B
8A
8D
4B
3
1L
51L
61L
4A
8R
8T
0
1F
9E
9C
9B
9D
01E
01D
01C
01B
01A
9A
6E
7G
6F
7E
7F
6G
8E
7C
6C
7B
7
A
5C
6B
6A
2
D
1G
1F
4
D
3C
3E
4F
2E
3F
1B
1C
2C
3
D
2F
1D
1E
9L
0
1K
8L
F9G10
H11
T1J11
A1F11
T16G11
A16C4
J12
T10J13
P11K16
R10H15
H16
P13G16
P12J16
T13J15
R13H12
T12
R12K5
G5
N15H6
N16H2
T14H3
R14H1
M16
M15G4
G2
K15G3
M8
T2
P9A11
J6B11
R3K12
M3K11
K4B2
N4A3
T3B3
J3A2
R2J8
P4H7
H4J7
J2H8
J4
R1B14
C12
J1B15
R4B16
C13
P3B13
P1
C14
P5E16
N2F16
L3C16
L2D16
L4A14
K1A15
P2
N1R15
M2T15
N3M11
M1M10
L1N11
K2R11
K3T11
N12
6K
5T
6R
7
M
4T
6M
6L
01
L
51C
51F
01H
31G
9M
7L
21F
8P
21E
41G
61R
21A
21B
11E
31
H
21G
31A
01
J
31F
41F
51P
41
P
8G
8K
9
J
9H
8F
9T
01
P
5R
7
K
9G
8N
61
P
41L
7R
7T
6
T
7
P
1
DS_DDV
BF_1DS
1DS_SSV
WS
_
1DS
SMSSV
PSTABV
U
MP
_
TABV
1OIDDV
2OIDDV
UBE_
D
DV
UMPV
UMP_SSV
1EROC_SSV
2E
ROC_SSV
3ER
O
C
_SSV
EROCV
EROCDDV
P
C
8V1
D
DV
RSLSSV
XRTSSV
XRSSV
18V1DDV
PMARV
G
I
D_SSV
SMDDV
OXDDV
CDTDDV
DMMDDV
GENDDV
TABV
OCDSSV
XUAV
OXSSV
CMMV
BSUV
2FRDDV
1F
RV
OL_SSV
FRSSV
CTRV
NESNES
PESNES
GHCDDV
SC
BSC
GHCV
TNHSV
M0
M1 A_D0
M2 A_D1
VDD_FMR A_D2
FMRIN A_D3
FMRINX A_D4
CP1 A_D5
CP2 A_D6
A_D7
TX1 A_D8
FE2 A_D9
RX12 A_D10
RX12X A_D11
RX34 A_D12
RX34X A_D13
VDET A_D14
PABS A_D15
PABIAS
FE1 WR_N
TX2 RD_N
PAEN
VDDTRX A_D16
A_D17
USIF2_TXD_MTSR A_D18
USIF2_RXD_MRST A_D19
USIF2_RTS_N A_D20
USIF2_CTS_N A_D21
USIF1_TXD_MTSR A_D22
USIF1_RXD_MRST A_D23
USIF1_RTS_N A_D24
USIF1_CTS_N CS0_N
DPLUS CS1_N
DMINUS ADV_N
XOX WAIT_N
XO ANAMON
BFCLK0
VSIM
SIM_IO FSYS_EN
SIM_CLK
SIM_RST EPN
EPP
MMCI_CMD HSL
MMCI_DAT_0 HSR
MMCI_CLK LSN
MMCI_DAT_1 LSP
MMCI_DAT_2
MMCI_DAT_3 MICN1
MICP1
SWIF_TXRX MICN2
TDO MICP2
TDI VMIC
TMS VUMIC
TCK
TRST_N ACD
TRIG_IN AGND
MON1 VREF
MON2
MON3 NC1
FSYS1 NC2
FSYS2 NC3
DIGUP_CLK NC4
DIGUP1
DIGUP2 VDDFS
NB
F
DEL
PBFDE
L
V
R
DDE
L
0
D_FID
1D
_
FID
2D
_
FI
D
3
D_FID
4D_FID
5D_FI
D
6D
_F
I
D
7
D_FID
8
D_F
I
D
1SC_FID
D
C_F
I
D
RW_F
I
D
DR_FID
DH_FID
DV_F
I
D
TESER
_
FI
D
0D_FIC
1
D_F
I
C
2D
_
FI
C
3D_FIC
4D_FIC
5
D_F
I
C
6D
_
FI
C
7
D_FIC
K
L
CP_FIC
C
NYS
H_F
I
C
CNYSV
_
FI
C
2
TU
OK
LC
DP_FIC
TESER_FIC
0NI_PK
1NI_PK
2NI_PK
3NI_PK
4NI_PK
5NI_PK
0TUO_PK
1TUO_PK
2TUO_PK
3TUO_PK
5TUO_PK
BIV
BIV_SSV
0TUOKLC
K2
3
F
K23CSO
N_TESER
NI2T
0KLC_1S2I
XR_1S2I
XT_1S2I
0AW_1S2I
LCS_C2I
ADS_C2I
FFONO
VBAT
1V8_VDD
C125
1u
0.1u
C126
2.2u
C146
1n
C127
C128
0.1u
VDDXO
C129
0.1u
220n
C130
VBAT_RF2
CN101
9
8
7
6
5
4
3
2
1
VRTC
R109
3.9K
220n
C131
5.6K
R110
18p
C132
VRTC
C107
22u
TP102
TP104
TP105
I
N
D
63
1
R
OJ102
C147
5p
C136
DNI
1V8_VDD
0.1u
R135
0.1u
C137
R113 100K
R114 100K
1V8_VDD
0.1u
C138
1u
C139
1V8_VDD
1u
C140
1V8_VDD
201D
43
52
61
100K
R117
100
R118
C141
470n
C133 DNI
R120
DNI
47p
C142
R121 100K
TP106
R122
10
TP107
TP108
DNI
R123R124
DNI
K7.4
521R
C143
47pDNI
C144
10K
PT101
10R126
10R127
VHSMIC
U102
C4
C11
E7
D12
D4
E5
D10
E10
D11
E4
G3
G4
F6
F7
G8
G9
F10
F11
F4
F5
G6
G7
F8
F9
G11
G12
K14
K1
H12
H3
C12
C3
A14
A1
D9
G5
F3
E12
D5
G10
E3
H4
D7
H11
E9
E8
E11
E6
F12
D8
D6
H7
C8
C7
D3
H8
P_CRE
WAIT_
P_LB_
P_UB_
P_CE1_
CLK
WE_
OE_
AVD_
F1_CE_
F_RST_
F_WP_P_CE2
F_DPD
VCC1
VCC2
VCCQ1
VCCQ2
VSS1
VSS2
VSS3
VSS4
F_VPP
NC1
NC2
NC3
NC4
NC5
NC6
NC7
NC8
ADQ0
ADQ1
ADQ2
ADQ3
ADQ4
ADQ5
ADQ6
ADQ7
ADQ8
ADQ9
ADQ10
ADQ11
ADQ12
ADQ13
ADQ14
ADQ15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
22p
C103
D101
R111
0
ON_SW
26MHz
DSX321G-26MX102
21
34
C148
DNI
END_KEY
KB101
32.768KHz
FC-135
X101
21
22p
C116
F_MODE
R119 43K
4.7n
C123
211R
0
IND 531C
C134 10u
R130
100K100K
R131
TP110
U103
65
7
8
4
2
1
3
OUT1
IN
OUT2
EN_SET
OUT3
OUT4
GND OUT5
1V8_VDD
R132
100K
R133
100K100K
R134
C145
1u
0ATAD_MAC
1A
TAD
_MAC
2A
TAD
_MAC
3ATAD_MAC
4ATAD_MAC
5A
TA
D_MAC
6ATAD_MAC
7ATAD
_
MA
C
CNYSH_
MAC
K
LCP
_
MA
C
TESER_MAC
CNYSV
_MAC
K23KLC
KL
C
M
_MAC
S
R_
DC
L
SC_
N
IAM
_
DCLN
00ATAD_DCL
1
0A
TAD
_
DCL
2
0A
TAD
_DC
L
30ATAD_DC
L
4
0A
TAD_DCL
5
0A
TAD
_D
CL
60ATA
D
_DC
L
70ATA
D
_DC
L
NE
_
G
HC
TNI
_
TB
_BB
D
C
NYSV_
DC
L
R
W
_DC
LN
TNI_BBD_TB
TNI_CIUM
RCV_N
VLOGIC
BS2
FM_ANT
BT_CLK
I2C_SCL
I2C_SDA
PCM_CLK
XR_MCP
XT_MCP
PCM_SYNC
SC_IPS
_LCD_RESET
NE_ANL_MF
TCETED_KOOH
TED_DSU
TNI_YEK
LCD_ID
BAT_TEMP
MIC_N
HS_MIC_N
MIC_P
HS_MIC_P
USD_CLK
USD_CMD
USD_D1
USD_D2
USD_D3
BS1
TX_EN
RX12
RX12X
RX34
RX34X
SIM_CLK
GSM_OUT
DCS_PCS_OUT
STC_TB
STR_TB
BT_RXD
BT_TXD
TX_RAMP
P_BIV
TDO
TDO
TCK
TCK
TMS
TMS
TDI
TDI
LDO_OUT
USB_DP
USB_DM
PWRON
PWRON
PWRON
AD22
AD22
AD21
AD21
AD20
AD20
AD19
AD19
AD18
AD18
AD17
AD17
AD16
AD16
MEM_CLK
MEM_CLK
NWAIT
NWAIT
AD15
AD15
AD14
AD14
AD13
AD13
AD12
AD12
AD11
AD11
AD10
AD10
AD09
AD09
AD08
AD08
AD07
AD07
AD06
AD06
AD05
AD05
AD04
AD04
AD03
AD03
AD02
AD02
AD01
AD01
AD00
AD00
NADV
NADV
NRAM_CS
NRAM_CS
NRD
NRD
NWR
NWR
NRESET
NRESET
TESERN
NROM_CS
NROM_CS
1V8_VDD
UART_TX
UART_TX
UART_TX
UART_RX
UART_RX
UART_RX
NLB_AD25
NLB_AD25
NLB_AD25
NUB
NUB
EAR_SPK_N
EAR_SPK_P
ON_SW
ON_SW
RCV_P
NTRST
NTRST
C
OE
_
USD_D0
TCETED_KCAJ
FSYS_EN
BT_RESET
BT_RESET
SIM_RST
SIM_DATA
LCD_BL_CTRL
LCD_BL_CTRL
NE_LB_YEK
TNI_IPS
SPI_MISO
SPI_MOSI
SPI_CLK
WLAN_RESET
WLAN_REG_ON
IO_EXPANDER0
IO_EXPANDER0
ADS_YEK
LCS_YEK
YBDNATS_MAC
AD23
AD23
AD24
AD24
F_MODE
EDOM_F
CTR_DDV
ABB
RF
RF
5TNIE
INT PORT
0
TNIE
VDDP_SIM
BT_DBB_INT
DIF_RESET
EINT4
LIGHT BLUE
RF PADS
(SUPER CAP)
USIF1_CTS_N
Not Assembly BT Model
VDDP_DIG1
(10V)
PIN_H10
PIN COLOR DESCRIPTION
EINT4/EINT1
PT101 is DNI defaultly
Seperate and shield
Speaker Supply
(10V)
MEMORY
6TNIE
_CHG_EOC
VDD_IO2
PLACE THESE CAPS NEAR BB IC
Close to the 26MHz XTAL
VBATSP
SLIDET2IN
SIGNAL NAME
DIGUP2
BACKUP BATTERY
ABB
VDDP_DIG1
MUIC_INTCC0CC1IO
ON BOARD ARM9 JTAG & ETM INTERFACE
(1%)
0TNIE
ABB PADS
VDDP_EBU
CC0CC1IO
PMU PADSRF SUPPLY DOMAIN
VDDP_DIG1
VDDP_MMC
DBB SUPPLIES
4TNIE
VDD1V8CP
EINT2
VDD_IO1
1TNIE
EINT7
CC1CC6IO
EINT0
PIN NAME
PIN_H13PIN_B14
RF SUPPLIES (DIRTY GND)
ORANGE
PMU SUPPLIES
PIN K8PIN M9PIN L7PIN P8
VDDP_DIG1
VDDP_ULPI
RF SUPPLIES (CLEAN GND)
(NOT MOUNTED)
1TNIE
VDDP_DIG1
uSD_DET
(10V)
YELLOW
7TN
IE
VBAT_PMU
PIN P14
PIN P16
POWER ON
CC1CC6IO
USIF1_RTS_N
PIN P10
PIN R5PIN G9
1GID_PDDV
VDDP_DIG2
VDDP_DIG1
EINT3
Connect GND plane directly
CN101 : SW DEBUG
6TNIE
PIN_B12PIN_E11PIN_G14PIN_G13
UART PORT
CC0CC7IO
OI
3
CC1CC
ABB SUPPLIES
DBB SUPPLIES
PIN K7
PIN N8
(FOR SW DEBUGGING / NOT MOUNTED)
VDD_EBU
0TNIE
RF
DBB SIGNAL PADSMAGENTA
PMU PADS
LIGHT GREEN
(1G NOR AD MUX / 256 pSRAM : De MUX type)
ON BOARD UART/USB INTERFACE
need to replace to 1%
(5%) (1%)