Table of Contents
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7. CIRCUIT DIAGRAM
1
2
A
OJ100
OJ101
OJ103
3
B
LCD_ID
BATT_ID
FM_ANT
C123
4.7n
GSM_OUT
BS2
C
RX12
RX12X
RX34
Close to the 26MHz XTAL
RX34X
BS1
VLOGIC
DCS_PCS_OUT
TX_EN
BT_TXD
BT_RXD
BT_RTS
BT_CTS
X100
D
UART_TX
FA-20H
UART_RX
EXXY0026401
nLCD_RESET
4
3
EOC
GND
XTAL
1 TER1
TER2
2
USB_P
26MHz
USB_N
2V85_VSIM
SIM_DATA
SIM_CLK
SIM_RST
uSD_CMD
uSD_D0
E
uSD_CLK
1V81_VDD
uSD_D1
uSD_D2
uSD_D3
SWIF
TDO
TDI
TMS
TCK
nTRST
KEY_BL_EN
BT_CLK
F
CHG_EN
TA_DET
BT_DBB_INT
HOOK_DET
C
D
UART PORT
UA100
3G
2.5G
1
GND
GND
2
RX
RX
UART_RX
3
TX
TX
UART_TX
4
VCHAR
NC1
VCHG
5
ON_SW
ON_SW
RPWRON
6
VBAT
VBAT
VBAT
7
E
PWR
NC2
VBUS_USB
8
URXD
NC3
USB_N
9
UTXD
USB_P
NC4
10
DSR
DSR
11
RTS
12
CTS
F
1
2
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3
4
5
6
7
N12
M0
T11
M1
R11
M2
N11
VDD_FMR
M10
FMRIN
M11
FMRINX
T15
CP1
R15
CP2
A15
TX1
A14
FE2
D16
RX12
C16
RX12X
F16
RX34
E16
RX34X
C14
VDET
B13
PABS
C13
PABIAS
B16
FE1
B15
TX2
C12
PAEN
B14
VDDTRX
H8
USIF2_TXD_MTSR
J7
U101
USIF2_RXD_MRST
H7
USIF2_RTS_N
J8
USIF2_CTS_N
A2
USIF1_TXD_MTSR
B3
USIF1_RXD_MRST
PMB8810_A-GOLDRADIO_
A3
USIF1_RTS_N
B2
USIF1_CTS_N
K11
DPLUS
K12
DMINUS
B11
XOX
EUSY0366601
A11
XO
M8
VSIM
G3
SIM_IO
G2
SIM_CLK
G4
SIM_RST
H1
MMCI_CMD
H3
MMCI_DAT_0
H2
MMCI_CLK
H6
MMCI_DAT_1
G5
MMCI_DAT_2
K5
MMCI_DAT_3
H12
SWIF_TXRX
J15
TDO
J16
TDI
G16
TMS
H16
TCK
H15
TRST_N
K16
TRIG_IN
J13
MON1
J12
MON2
C4
MON3
G11
FSYS1
F11
FSYS2
J11
DIGUP_CLK
H11
DIGUP1
G10
DIGUP2
R150
DNI
L101
18nH
MOTOR
MOTOR_N
GPIO Extender was eliminated JAN. 12, 2009
3
4
5
6
7
8
9
10
11
(VRF1)
R100
VBACKUP
4.7K
Q100
VBAT
KTC4075E
R101
3.9K
D100
R102
470
VCHG_OVP
R103
2
3
VBUS_OVP
100K
1
EDSY0017301
KDR331V
TA_DET
K3
A_D0
A_D_00
K2
A_D1
A_D_01
L1
A_D2
A_D_02
M1
A_D3
A_D_03
(VDDEBU)
N3
A_D4
A_D_04
M2
1V81_VDD
A_D5
A_D_05
N1
A_D6
A_D_06
P2
A_D7
A_D_07
K1
A_D8
A_D_08
L4
A_D9
A_D_09
L2
A_D10
A_D_10
L3
A_D11
A_D_11
N2
A_D12
A_D_12
P5
A_D13
A_D_13
P1
A_D14
A_D_14
P3
A_D15
A_D_15
R4
WR_N
nWR
J1
RD_N
nRD
R1
A_D16
A_D_16
J4
A_D17
A_D_17
J2
A_D18
A_D_18
H4
A_D19
A_D_19
P4
A_D20
A_D_20
R2
A_D21
A_D_21
J3
A_D22
A_D_22
T3
A_D23
nLB
N4
A_D24
nUB
K4
CS0_N
nROM_CS
M3
CS1_N
nRAM_CS
R3
ADV_N
nADV
J6
WAIT_N
nWAIT
P9
ANAMON
T2
BFCLK0
MEM_CLK
K15
FSYS_EN
FSYS_EN
M15
EPN
RCV_N
M16
EPP
RCV_P
R14
HSL
HP_LOUT
T14
HSR
HP_ROUT
N16
LSN
N15
LSP
R12
MICN1
MIC_N
T12
VHSMIC
MICP1
MIC_P
VMIC
R13
MICN2
HS_MIC_N
T13
MICP2
HS_MIC_P
P12
VMIC
P13
VUMIC
R10
ACD
JACK_DET
C131
C132
C133
C134
C140
C160
P11
AGND
47p
DNI
47p
47p
1000p
1000p
T10
VREF
C137
A16
NC1
220n
T16
NC2
A1
NC3
T1
NC4
F9
VDDFS
(VDDIO1)
1V81_VDD
PWRON
R121
2.2K
R122
2.2K
REMOTE POWER ON
X101
FC-135
EXXY0018701
R124
10K
32.768KHz
RPWRON
PWRON
R126
1K
C142
END_KEY
27p
C143
22p
8
9
- 115 -
12
13
14
15
16
MEMORY
(512 NOR / 128 pSRAM : AD MUX type)
1V81_VDD
U100
PF38F5060M0Y3DF
A1
NC1
R107
100K
H8
A14
P_CRE
NC2
C3
NC3
D3
C12
nWAIT
WAIT_
NC4
H3
NC5
C7
H12
nLB
R_LB_
NC6
C8
K1
nUB
R_UB_
NC7
nRAM_CS
H7
K14
nRAM_CS
R_CS_
NC8
D6
G12
MEM_CLK
CLK
ADQ0
A_D_00
G11
ADQ1
A_D_01
nWR
D8
F9
nWR
WE_
ADQ2
A_D_02
nRD
F12
F8
nRD
OE_
ADQ3
A_D_03
G7
ADQ4
A_D_04
E6
G6
nADV
AVD_
ADQ5
A_D_05
F5
ADQ6
A_D_06
nROM_CS
E11
F4
nROM_CS
F1_CE_
ADQ7
A_D_07
C4
F11
F2_CE
ADQ8
A_D_08
R132
DNI
F10
ADQ9
A_D_09
E8
G9
nRESET
F_RST_
ADQ10
A_D_10
E9
G8
F_WP_
ADQ11
A_D_11
H11
F7
F_DPD
ADQ12
A_D_12
F6
ADQ13
A_D_13
D7
G4
VCC
ADQ14
A_D_14
G3
ADQ15
A_D_15
E3
VCCQ1
G10
E4
VCCQ2
A16
A_D_16
H4
D11
VCCQ3
A17
A_D_17
E10
A18
A_D_18
D5
D10
VSS1
A19
A_D_19
E12
E5
VSS2
A20
A_D_20
F3
D4
VSS3
A21
A_D_21
G5
D12
VSS4
A22
A_D_22
E7
A23
D9
C11
VPP
A24
EUSY0368502
ON BOARD ARM9 JTAG & ETM INTERFACE
CAMERA LDO
1V81_VDD
1V5_DVDD
VBAT
1V8_VDD
nTRST
TDI
RP104K181D
U102
TMS
TCK
4
1
VDD
VOUT
3
2
CE_NC
GND
TDO
C138
nRESET
1u
R199
0
A
B
C
D
E
F
C
D
E
LGE Internal Use Only
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