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- 115 -
7. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
PWRURXDUTXD
3G 2.5G
GNDRXTXVCHARON_SWVBAT
E
15
REMOTE POWER ON
12
Close to the 26MHz XTAL
(VD
DIO
1)
E
6
(VDDEBU)
81 5
C
F
14
A
MEMORY
D
7
(VD
DIO
2)
D
C
C
F
E
4
1643
B
ON BOARD ARM9 JTAG & ETM INTERFACE
3
(VD
DE
BU
)
13
(512 NOR / 128 pSRAM : AD MUX type)
UART PORT
9
5
B
E
CAMERA LDO
F
A
(VDDIO1)
2
C
6 7
9
(VRF1)
VBAT
GPIO Extender was eliminated JAN. 12, 2009
2
D
3
1 8 10 11
D
0.1u
C14
6
VP
MU
47p
2V85_VSIM
C131
KDR331V
3
1
2
VA
UX
EDSY0017301
D100
1V81_VDD
R10
6
10K
R199
0
C10
010
u
470R102R103
100K
VD
DT
DC
VB
AT
VCHG
0.1u
C12
2
220n
C14
7
R12
5
100K
1V81
_VD
D
R12
3
C11
5
0
1u0.1u
C10
7
100K
R11
4
nROM_CS
R124 10K
C140
VB
AT
1000p
2.2u
C10
2
100K
R11
5
R11
810
0K
EXXY0018701FC-135
X101
32.768KHz1
2
1V81
_VD
D
R122 2.2K
1V81
_VD
D
C10
60.
1u
C11
647
0n
C10
32.
2u
VBAT
VB
AT
dio
de
D10
1
470n
C11
7
R10
4
5.6K
VD
DR
F2
220nC137
GND4
1 TER1 2TER2
XTAL 3
R126 1K
EXXY0026401FA-20HX100
26MHz
47pC134
C12
50.
1u
C12
80.
1u
C11
80.
1u
4.7n
VBAT
VM
MC
nRD
C123
R107
1V81
_VD
D
100K
47n
C11
1
C11
3D
NI
1V5_DVDD
VR
TC
_2V
0
1V81
_VD
D
VC
OR
E
0
R13
6
KTC4075E
Q100
OJ100
VD
DM
S
10K
R11
7
100K
R11
9
4.7K
R100
1V81
_VD
D
R10
910
0K
0.1u
C10
4
C11
922
0n
C11
2DNI
R150
47n
DNIC132
VD
DX
O
R10
5
20K
R11
310
0K
OJ101
1V8_VDD
C13347p
0.1u
C13
0
CTS12
DSR10
GND1
NC14
7NC2
NC389
NC4
5ON_SW
11RTS
RX23
TX
VBAT6
UA100
3.9KR101
C10
91u
VMIC
1V81_VDD
1uC
141
100K
R10
8
C138
VD
DT
RX
1u
1V81_VDD
R11
610
0K
1000pC160
C142
VU
SB
27p
VOUT1
1V81
_VD
D
C12
71u
U102RP104K181D
CE_NC3
GND2
PG
ND
5
4VDD
1V81_VDD
22pC143
R12
0
100K
18nH
VUMIC
M9
VU
SB
J6WAIT_N
WR_NR4
A11XO
B11XOX
L101
VSIM
VS
SD
CO
E12
VS
SLS
RP
15
VS
SM
SL1
4
VS
SR
FC
15
VS
SR
XF
13F
14V
SS
TR
X
F12
VS
SX
O
F8
VS
S_C
OR
E1
H9
VS
S_C
OR
E2
J9V
SS
_CO
RE
3
VS
S_D
IGG
12
F15
VS
S_L
O
T9
VS
S_P
MU
T7
VS
S_S
D1
VS
S_V
IBR
8
P13
VD
DT
DC
B14VDDTRX
E11
VD
DX
O
R5
VD
D_E
BU
N11VDD_FMR
VD
D_S
D1
P7
VDETC14
T8
VIB
VMICP12
L7V
MM
C
VP
MU
P10
VR
AM
PA
13
VREFT10
H10
VR
F1
L10
VR
TC
K6
VS
HN
T
M8
VB
AT
VB
AT
SP
P16
VB
AT
_PM
UN
8
VC
HG
T5
VC
OR
EK
8
J10
VD
D1V
81
VD
D1V
8CP
P14
T4
VD
DC
HG
VD
DC
OR
EG
8
F9VDDFS
VD
DIO
1G
9K
7V
DD
IO2
A12
VD
DM
MD
H13
VD
DM
S
VD
DN
EG
R16
G13
VD
DR
F2
B12
TDITDO
J15
TMSG16
K16TRIG_INTRST_N
H15
A15TX1
TX2B15
USIF1_CTS_NB2
USIF1_RTS_NA3B3
USIF1_RXD_MRSTUSIF1_TXD_MTSR
A2USIF2_CTS_N
J8USIF2_RTS_N
H7USIF2_RXD_MRST
J7USIF2_TXD_MTSR
H8
P8
VA
UX
G14
J1
L13
RE
SE
T_N
D16RX12
C16RX12XRX34
F16
RX34XE16
T6
SD
1_F
B
SD
1_S
WR
7
SE
NS
EN
L6 M6
SE
NS
EP
G2SIM_CLKSIM_IO
G3
SIM_RSTG4
H12SWIF_TXRX
B4
T2I
N
TCKH16
J16
H3
H6MMCI_DAT_1MMCI_DAT_2
G5
MMCI_DAT_3K5
MON1J13
MON2J12
MON3C4 A16
NC1T16
NC2A1
NC3T1
NC4
ON
OF
FR
9
L15
OS
C32
K
PABIASC13B13
PABS
C12PAEN
RD_N
E9
F10
KP
_OU
T5
L9LE
DD
RV
LED
FB
NL8
LED
FB
PK
10
LSNN16
LSPN15
N12M0
T11M1M2
R11
MICN1R12
R13MICN2MICP1
T12
T13MICP2
H2MMCI_CLK
H1MMCI_CMDMMCI_DAT_0
T14
I2C
_SC
LB
5A
5I2
C_S
DA
I2S
1_C
LK0
D8
I2S
1_R
XA
8
I2S
1_T
XB
8C
8I2
S1_
WA
0
KP
_IN
0A
9A
10K
P_I
N1
B10
KP
_IN
2K
P_I
N3
C10
KP
_IN
4D
10
KP
_IN
5E
10 D9
KP
_OU
T0
KP
_OU
T1
B9
KP
_OU
T2
C9
KP
_OU
T3
DIGUP1G10
DIGUP2
J11DIGUP_CLK
DMINUSK12
DPLUSK11
M15EPNEPP
M16
L16
F32
K
B16FE1
FE2A14
FMRINM10
FMRINXM11
FSYS1G11
FSYS2F11
FSYS_ENK15
HSLR14
HSR
E3
F4
DIF
_CS
1
E1
DIF
_D0
DIF
_D1
D1
F2
DIF
_D2
DIF
_D3
D3
DIF
_D4
C2
C1
DIF
_D5
DIF
_D6
B1
F3
DIF
_D7
E2
DIF
_D8
DIF
_HD
F1
D4
DIF
_RD
DIF
_RE
SE
TD
2G
1D
IF_V
D
C3
DIF
_WR
H11
C6
CIF
_D6
C7
CIF
_D7
E8
F7
CIF
_HS
YN
C
G6
CIF
_PC
LK
G7
CIF
_PD
E6
CIF
_RE
SE
T
E7
CIF
_VS
YN
C
CLK
OU
T0
A4
CLK
OU
T2
F6
T15CP1
R15CP2
M7
CS
K4CS0_NCS1_N
M3
CS
BR
6
DIF
_CD
J3
A_D23T3N4
A_D24
A_D3M1N3
A_D4A_D5
M2N1
A_D6P2
A_D7K1
A_D8L4
A_D9
BFCLK0T2
A6
CIF
_D0
CIF
_D1
B6
C5
CIF
_D2
A7
CIF
_D3
CIF
_D4
B7
CIF
_D5
P9
A_D0K3K2
A_D1
A_D10L2L3
A_D11A_D12
N2
A_D13P5
A_D14P1P3
A_D15
A_D16R1
A_D17J4J2
A_D18A_D19
H4
A_D2L1
P4A_D20
R2A_D21A_D22
EUSY0366601
PMB8810_A-GOLDRADIO_
U101
ACDR10
R3ADV_N
AGNDP11
ANAMON
C12
1
VBUS_USB
1u
0
R12
7
22u
C10
1
OJ103
470n
C11
0
3.3u
H
VHSMIC
L100
C12
9
nRAM_CS
1u
C14
5
nWR
DN
I
R132 DNI
1V81_VDD
C10
50.
1u
L10
2
VCCQ2H4
VCCQ3
D9VPP
VSS1D5
VSS2E12
VSS3F3G5
VSS4
D3WAIT_
WE_D8
E9
NC1A1
NC2A14C3
NC3C12
NC4NC5
H3
NC6H12
NC7K1K14
NC8
OE_F12
H8P_CRE
R_CS_H7
C7R_LB_R_UB_
C8
D7VCC
E3VCCQ1
G10
ADQ14G3
ADQ15
F9ADQ2
F8ADQ3
G7ADQ4
G6ADQ5
F5ADQ6
F4ADQ7
F11ADQ8ADQ9
F10
AVD_E6
CLKD6
E11F1_CE_
C4F2_CE
H11F_DPD
E8F_RST_F_WP_
E4A16
D11A17
E10A18
D10A19
E5A20A21
D4
A22D12
A23E7C11
A24
G12ADQ0
G11ADQ1
G9ADQ10
G8ADQ11
F7ADQ12
F6ADQ13
G4
U100PF38F5060M0Y3DF
EUSY0368502
R121 2.2K
VBACKUP
DB
B_B
T_I
NT
nLC
D_S
UB
_CS
nRESET
CA
M_P
WD
N
MOTOR
HOOK_DET
TA_DET
nTRSTTDI
TMS
TDOnRESET
TCK
DS
R
BT_CTS
BT_DBB_INT
CA
M_M
CLK
JACK_DET
PWRONRPWRON
END_KEY
KP
_OU
T5
FLI
P
EOC
VCHG_OVP
TA_DET
nBT
_RE
SE
T
A_D_19A_D_20A_D_21A_D_22
nLCD_RESET
UART_TXUART_RX
GSM_OUT
DCS_PCS_OUT
RPWRON
USB_NUSB_P
BATT_ID
FSYS_EN
VBUS_OVP
BT_RTSBT_RXDBT_TXD
KEY_BL_EN
LCD_ID
A_D_09A_D_10A_D_11A_D_12A_D_13A_D_14A_D_15
FM_ANT
nROM_CSnRAM_CS
nWAITnADV
nWAIT
nWRnRD
MEM_CLK
MEM_CLK
nLBnUB
nRE
SE
T
A_D_16A_D_17A_D_18A_D_19A_D_20A_D_21A_D_22 A_D_16
A_D_17A_D_18
MIC_NMIC_PHS_MIC_NHS_MIC_P
uSD_D2uSD_D3
uSD_CMD
uSD_CLKuSD_D0
uSD_D1
CHG_EN
nTRST
TDO
TMSTCK
TDI
SWIF
A_D_00A_D_01A_D_02A_D_03A_D_04A_D_05A_D_06A_D_07A_D_08
USB_P
LCD
_DA
TA
00LC
D_D
AT
A01
LCD
_DA
TA
02LC
D_D
AT
A03
LCD
_DA
TA
04LC
D_D
AT
A05
LCD
_DA
TA
06LC
D_D
AT
A07
nLC
D_M
AIN
_CS
LCD
_CD
nLC
D_W
R
LCD
_VS
YN
CuS
D_D
ET
CA
M_D
AT
A0
CA
M_D
AT
A1
CA
M_D
AT
A2
CA
M_D
AT
A3
CA
M_D
AT
A4
CA
M_D
AT
A5
CA
M_D
AT
A6
CA
M_D
AT
A7
CA
M_P
CLK
CA
M_H
SY
NC
CA
M_V
SY
NC
CLK
32K
PC
M_C
LK
nCA
M_R
ES
ET
PC
M_T
XP
CM
_SY
NC
PC
M_R
X
KP
_IN
0
RCV_PRCV_N
MOTOR_N
A_D_02A_D_03A_D_04A_D_05A_D_06A_D_07A_D_08A_D_09A_D_10A_D_11A_D_12A_D_13A_D_14A_D_15
SIM_RSTSIM_CLK
SIM_DATA
USB_N
VLOGIC
BS2
BT_CLK
PWRON
BS1
TX_EN
RX12RX12X
RX34RX34X
TX
_RA
MP
nROM_CS
nWRnRD
nRAM_CS
nADV
A_D_00A_D_01
KP
_IN
1K
P_I
N2
KP
_IN
3K
P_I
N4
KP
_OU
T0
KP
_OU
T1
KP
_OU
T2
KP
_OU
T3
HP_ROUTHP_LOUT
nUB
I2C
_SD
A
nLB
DSR
UART_RXUART_TX
I2C
_SC
L
7. CIRCUIT DIAGRAM
- 116 -LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C C
B
E
A
Key Backlight LED
D
Change the connection from pull-down to pull-up
8
5
143
C
5
B
D
E
A
VOL_DOWN
C
Key
E
SIM
D
Audio Sub System
(080702)
Speaker Receiver select switch was eliminated JAN. 12, 2009
6
MIC
13
74
Delete 10Kohm
2
6
F
8
VOL_UP
F
11 16
D
9
AUDIO AMP was eliminated JAN. 12, 2009
1
4
F
3
(080715)
12
2
1 7
uSD
15109
E
FLIP SWITCH
3
150
A3
MONO_IN+E1
D1MONO_IN-
C2RIN ROUT
E2
SCLB3
SDAB2
B1
VD
DA
VD
DL
SB
4
D2VO_LDO
C4
VS
SC
P
R206
LM49150TLX
BYPASSC3
D3
CIN
CIP
D4
A2
GN
D
GN
D_C
PE
4
I2CVDDA1
C1LIN
LOUTE3
MONO+A4
MONO-
OB4-15L42-C33L
MIC200
12
U200
R208 150
VBAT
D201
DNI_VARISTER_1005LEFT
R21410K
R213470K
100KR212
R211
1.2K
18pC226
R209
20
LD200
DNIC225
DNI0.1uC224C223
C222
1000p
2.2u
SEND
C212
1V81_VDD
UP
SW206SW205
SW203SW202 SW204
SW201
6C7
7GND1GND2
89GND3GND4
10
SW200
1
J200
C11
C223
C3
C545
C6
KTC4075E
EQBN0007601
2
3
2.2u
Q200
C211
C213
C210
0.1u
47p
C209 2.2u
C2142.2u
20
10KR216
R210
150
1234
R207
CN200V
A20
3
VA
204
RCLAMP0521P_TCTEDTY0009601
SEVY0005402ICVS0505500FR
VA
202
VA201
EM-0781-T5
NC
3O
UT
21V
DD
VS
S4
VA200
VMMC
U201
220nC206
C204 0.1u
C203DNI
C202 0.1u
C20147p 2.2u
0
C200
4.7K
R220
R219
10K
R21
8
MENU
LD201
LEWWS47PAZEDLH0013403
SW211
SW210
DETECT_ADETECT_B
DUMMY1
DUMMY2
DUMMY3
GND
VDD
VSS
AXA463062C02
CD_DAT3
CLK
CMD
DAT0
DAT1_2
DAT2
2V85_VSIM
SEARCH
J201
C208 220n
C221
DNI
VRTC_2V0
VMMC
C220
2.2K
DNI
R20
4
0.1u
R203
R202
0.1u
R20
1
2.2K
1K
R20
0
D200
DNI_VARISTER_1005
SW207
2V85_VSIM
STAR
OK
VMMC
1u 1uC217C216
10KR217
VBAT
1V81_VDD
R21510K
47pC207
10uECTH0005601
C205
SW209
VMIC
SW208
RIGHT
END
DOWN
SHARP
220n
Clear
C219
C21827p27p
C215
KP_OUT5
KEY_BL_ENKP_IN4
KP_IN1
1V81_VDD
LSP
LSN
RCV_P
I2C_SDAI2C_SCL
HP_ROUT
HP_LOUT
RCV_N
KP_IN0
KP_OUT0
KP_OUT3
FLIP
KP_IN2
KP_IN3
KP_OUT1
END_KEY
uSD_D3
KP_OUT2
uSD_CLK
uSD_DET
HP_A_LOUT
HP_A_ROUT
uSD_CMD
uSD_D0
uSD_D1
uSD_D2
SIM_RSTSIM_CLKSIM_DATA
MIC_P
MIC_N
- 117 -
7. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
(1608)
LCD CHARGEPUMP & CAM LDO MOVED TO THE FPCB 2008.10.27
(080714)
Battery Connector
C
D
10
D
CAM FILTER
2 3
16 : D/ TX
17 : D/ RX
(1%)
2 9
E
C
7
14 : DSR
11 : R/ON
(1%)
4
9,10 : BATT
15 : VUSB
8
D
15
Change to withstanding voltage from 6.3V to 25V
3 114 16
C
C
Change to withstanding voltage from 6.3V to 10V
E
2 : Headset MIC
9
6 : USB+
A14
SHARP MAIN 262K TFT(176x220)_SUB TFT(96x64) LCD
E
12,13 : CHG
B
5
B
13
1
D
(1608)
F
6 7
8
F
7 : USB-
18 Pin IO
4 : HSO_L
A
6
(080714)
5
8 : JACK_D
121
5 : HSO_R
OVP CHARGING IC
Hirose ENZY0022201
E
F
47pC329
47pC328
200K
R31
9
1V81_VDD
1V81_VDD
27pC331
C327DNI
1V81_VDD
DNI
R30
5
C326
100K
10K
R32
2
C30410u
298D106X0010M2TECTH0005601
VA
302
VBUS_USB
VBAT
R312 47
ISL9221
EUSY0351601
U300
11BAT
GND8
IMIN6
7IUSB
9IVDC
PGND13
USB_BYP10
1VDC
12VDC_BYP
VUSB2
4_CHG
5_EN
_PPR3
L301 1800
DN
IR
318
VMMC
DNI
R317
1V8_VDD
27pC305
R310 47
VHSMIC
C31
62.
2u
C322
C308
2.2u
1u
1V81_VDD
47R313
C3210.01u
C31
839
p
C3111u
VCHG
R31
510
0K
20K
R314
10R
308
VBAT
L303 1800
VA
300
RPWRON
100K
R30
6
200K
R32
610
0K
R32
5
C309
6
1u
G1
5
G2
10
INOUT_A11
2INOUT_A2
INOUT_A33
4INOUT_A4
9INOUT_B1
INOUT_B28
7INOUT_B3
INOUT_B4
FL300ICVE10184E150R500FR
C307
1V81_VDD
1uC
336
47p
1V5_DVDD
PT
301
10K
789
ICV
S05
0550
0FR
SE
VY
0005
402
VA
301
1112131415161718
19
2
20
21
22
3456
47p
ENRY0006801GU041-18P-E1000
CN300
1
10
C33
4
4
R316
10K
CN301
123
100K
R32
3
R300
VBUS_OVP
C33
3
1.5K
32
33
34
1u
40
41
42
43
44
27
45
46
47
48
49
50
28
29
30
31
23
24
25
3
4
5
6
7
8
9
26
35
36
37
38
39
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
CN302
INOUT_B1
INOUT_B28
INOUT_B37
INOUT_B46
100K
R30
7
ICVE10184E150R101FR
G1
5
G2
10
INOUT_A11
2INOUT_A2
3INOUT_A3
4INOUT_A4
9
1uC
319
FL303
C323100p
C3121u
DSR
UART_RXUART_TX
VCHG_OVP
0.1uC303
DN
I_D
IOD
E_1
006
diod
e
D30
3
G1
10G
2
1INOUT_A1
INOUT_A22
3INOUT_A3
INOUT_A44
INOUT_B19
8INOUT_B2
INOUT_B37
INOUT_B46
ICVE10184E150R500FRFL304
5
18R324
VBUS_USB
VBAT
INOUT_A2
INOUT_A33
4INOUT_A4
9INOUT_B1
INOUT_B28
7INOUT_B3
INOUT_B46
C31
739
p
FL306ICVE10184E150R500FR
G1
5
G2
10
INOUT_A11
2
100K
R32
0
27p
R30
3
6.8K
C306
1uC310
2.2
R302
18R350
20K
R321
INOUT_A44
INOUT_B19
8INOUT_B2
INOUT_B37
6INOUT_B4
FL302
5G
1
G2
10
1INOUT_A1
INOUT_A22
3INOUT_A3
2.2K
ICVE10184E150R500FR
5G
110
G2
1INOUT_A1
INOUT_A22
3INOUT_A3
INOUT_A44
INOUT_B19
8INOUT_B2
INOUT_B37
6INOUT_B4
R301
INOUT_A44
INOUT_B19
8INOUT_B2
INOUT_B37
6INOUT_B4
ICVE10184E150R101FRFL305
ICVE10184E150R101FR
5G
110
G2
1INOUT_A1
INOUT_A22
3INOUT_A3
R30
9
FL301
22nH
DN
I
L304
C33
71uC
335
47p
R30
4
16K
4.7uC320
VCHG
C302 0.1u
L300270nH
ICVFP10181E301FR
FB300
GND1GND2
INOUT
L302 1800
SFEY0007101
C3011p
1D+IC
6
D-3
D-IC4
2GND
5VBUS
L305
22nH
U301 STF203-22-TC
EDTY0006501
D+
C3000.015u
HOOK_DET
VBACKUP
VBAT
SWIF
DSR
BATT_ID
HP_A_ROUT
HP_A_LOUT
CAM_PWDN
nCAM_RESET
nLCD_RESET
LSN
LSP
IF_MODE
CAM_DATA0CAM_DATA1CAM_DATA2CAM_DATA3
CAM_DATA4CAM_DATA5CAM_DATA6CAM_DATA7
EOC
RPWRON
LCD_ID
nLCD_SUB_CSnLCD_WR
CHG_EN
IF_MODE
MOTOR_N
MOTOR
USB_DM
USB_DPUSB_P
USB_DMUSB_N
LCD_DATA00LCD_DATA01LCD_DATA02LCD_DATA03
LCD_DATA07LCD_DATA06LCD_DATA05LCD_DATA04
CAM_HSYNCCAM_VSYNCCAM_PCLKCAM_MCLK
LCD_CD
I2C_SDAI2C_SCL
LCD_VSYNCnLCD_MAIN_CS
UART_RX
JACK_DET
UART_TX
FM_ANT
HS_MIC_NHS_MIC_P
USB_DP
7. CIRCUIT DIAGRAM
- 118 -LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
B
BLUETOOTH
RF part
(16V
,K,X
7R)
(10V
,Z,Y
5V)
71 2 3 5
53
10
RX_BAND SWAPPED
1 4
(50V
,J,N
P0)
Changed From KMS512 080812 Jeno
9
7
A A
C
D
(2012)
4
C
6
86
2
RX_BAND SWAPPED
E
A
D
C402 0.01u
PCM_CLK
C4181000p
100KR419
R4200
C426
6.8p
DNIR415
C423 1000p
C422
L407
1p
1nH
C427
DNIR416
6.8p
SW400
GRS302-2S-H22-E3000ENWY0006301
AN
TG
1
G2
RF
PCM_RX
1R414
AM
AN
8020
12LG
19A
NT
403DU
MM
Y1
DU
MM
Y2
FE
ED
2.7p
C428
INPUT1
4INPUT2
OUTPUT189
OUTPUT2
15KR411
SFSB0002302
B9508FL402
2C_GND1C_GND2
3C_GND3
510
C_GND4
GND167
GND2
1
22u
2.2nH
C413
L405
R408 110
13RX3RX4
14
4T
X_E
N
VBATT30
2V
LOG
ICV
RA
MP
3BT_CTS
GN
D3
89G
ND
4
GND510
15GND6GND7
16
18G
ND
8
19G
ND
9
27GSM_IN
31PGND1PGND2
3233
PGND3
PGND43435
PGND5PGND6
36
11RX1RX2
12
AN
T17
5B
S1
BS
26
29DCS_PCS_IN
1GND1
GN
D10
20 21G
ND
11G
ND
1222
GN
D13
23G
ND
1424
25GND15GND16
26
GND1728
GN
D2
7
BT_TXD
U400SKY77531
SMRH0005201
BT_RTS
PCM_SYNC
R413 0
R4010
R404
VBAT
1
C429
R4070
2.7p
R409DNI
L40110nH
33pC417
1nHL406
L404
C406 0.01u
2.2nH
1000p
C410
C4151u
C405 2.2u
C412
1000p
3.3nHL403
L408NA
L4023.3nH
1KR403
1V81_VDD
C420DNI
2C_GND1C_GND2
3C_GND3
510
C_GND4
GND167
GND2
1INPUT1
4INPUT2
OUTPUT189
OUTPUT2
2p
FL401 B9509
SFSB0002301
C419
C4160.01u
R406 110
R4000
R405 110
C41410p
0.01u
DNIC407
C404
1000p
PCM_TX
C424
C4300.75p
DNIC425
VAUX
100KR418
L4112.2nH
VD
DP
XV
DD
RF
F1
C1
VD
DT
F
VR
EG
A1
VR
EG
HV
A2
VS
S1
C2
D2
VS
S2
VS
S3
F2
VS
S4
D3
C6
VS
S5
A7
VS
S6
VS
S7
G7
G2XINXOUT
G3
1V81_VDD
TCXO_OR_OUT_GPIO_5
TM0C4F3
TM2
E8UART_CTS_NUART_RTS_N
D7D8
UART_RXDUART_TXD
C8
A3
VB
AT
A5
VD
DC
1V
DD
C2
B8
F8
VD
DC
3
VD
DIF
B1
E1
VD
DL
NA
VD
DO
1G
5
A6
VD
DO
2V
DD
O3
G8
G1
B3
B7GPIO_7
LPO_INA4
PCM_CLKF4
PCM_INF6G6
PCM_OUT
F5PCM_SYNC
B2REG_EN
RESG4
D1RFP RST_N
B4
SCLF7E7
SDA
SPIM_CLKA8C7
SPIM_CS_N
TCXO_OR_IN_GPIO_6E3E6
BCM2070
U401
CO
EX
_IN
B6
CO
EX
_OU
T0
E4
E5
CO
EX
_OU
T1
B5GPIO_0
GPIO_1
C4211p
1000p
SFCY0000901
LFB212G45SG8A166FL400
GND1 GND2
IN OUT
C409
ANT401
15nHL409
BT_RXD
L400
NA
3.9nH
1V81_VDD
L410
ANT400
C401 10p
C411
39p
100KR417
ANT402
C4032.2u
R402 110
C408
C400
1000p
FB4000.01u
PCM_CLK
PCM_TXPCM_RX
PCM_SYNC
BT_RTSBT_CTS
BT_CLK
CLK32K
DBB_BT_INT
FSYS_EN
BT_DBB_INT
nBT_RESET
BT_RXDBT_TXD
VLOGIC
GSM_OUT
BS2
TX_RAMP
DCS_PCS_OUT
RX12X
RX12
RX34X
RX34
BS1TX_EN
- 119 -
7. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
B
BLUETOOTH
RF part
(16V
,K,X
7R)
(10V
,Z,Y
5V)
71 2 3 5
53
10
RX_BAND SWAPPED
1 4
(50V
,J,N
P0)
Changed From KMS512 080812 Jeno
9
7
A A
C
D
(2012)
4
C
6
86
2
RX_BAND SWAPPED
E
A
D
C402 0.01u
PCM_CLK
C4181000p
100KR419
R4200
C426
6.8p
DNIR415
C423 1000p
C422
L407
1p
1nH
C427
DNIR416
6.8p
SW400
GRS302-2S-H22-E3000ENWY0006301
AN
TG
1
G2
RF
PCM_RX
1R414
AM
AN
8020
12LG
19A
NT
403DU
MM
Y1
DU
MM
Y2
FE
ED
2.7p
C428
INPUT1
4INPUT2
OUTPUT189
OUTPUT2
15KR411
SFSB0002302
B9508FL402
2C_GND1C_GND2
3C_GND3
510
C_GND4
GND167
GND2
1
22u
2.2nH
C413
L405
R408 110
13RX3RX4
14
4T
X_E
N
VBATT30
2V
LOG
ICV
RA
MP
3
BT_CTS
GN
D3
89G
ND
4
GND510
15GND6GND7
16
18G
ND
8
19G
ND
9
27GSM_IN
31PGND1PGND2
3233
PGND3
PGND43435
PGND5PGND6
36
11RX1RX2
12
AN
T17
5B
S1
BS
26
29DCS_PCS_IN
1GND1
GN
D10
20 21G
ND
11G
ND
1222
GN
D13
23G
ND
1424
25GND15GND16
26
GND1728
GN
D2
7
BT_TXD
U400SKY77531
SMRH0005201
BT_RTS
PCM_SYNC
R413 0
R4010
R404
VBAT
1
C429
R4070
2.7p
R409DNI
L40110nH
33pC417
1nHL406
L404
C406 0.01u
2.2nH
1000p
C410
C4151u
C405 2.2u
C412
1000p
3.3nHL403
L408NA
L4023.3nH
1KR403
1V81_VDD
C420DNI
2C_GND1C_GND2
3C_GND3
510
C_GND4
GND167
GND2
1INPUT1
4INPUT2
OUTPUT189
OUTPUT2
2p
FL401 B9509
SFSB0002301
C419
C4160.01u
R406 110
R4000
R405 110
C41410p
0.01u
DNIC407
C404
1000p
PCM_TX
C424
C4300.75p
DNIC425
VAUX
100KR418
L4112.2nH
VD
DP
XV
DD
RF
F1
C1
VD
DT
F
VR
EG
A1
VR
EG
HV
A2
VS
S1
C2
D2
VS
S2
VS
S3
F2
VS
S4
D3
C6
VS
S5
A7
VS
S6
VS
S7
G7
G2XINXOUT
G3
1V81_VDD
TCXO_OR_OUT_GPIO_5
TM0C4F3
TM2
E8UART_CTS_NUART_RTS_N
D7D8
UART_RXDUART_TXD
C8
A3
VB
AT
A5
VD
DC
1V
DD
C2
B8
F8
VD
DC
3
VD
DIF
B1
E1
VD
DL
NA
VD
DO
1G
5
A6
VD
DO
2V
DD
O3
G8
G1
B3
B7GPIO_7
LPO_INA4
PCM_CLKF4
PCM_INF6G6
PCM_OUT
F5PCM_SYNC
B2REG_EN
RESG4
D1RFP RST_N
B4
SCLF7E7
SDA
SPIM_CLKA8C7
SPIM_CS_N
TCXO_OR_IN_GPIO_6E3E6
BCM2070
U401
CO
EX
_IN
B6
CO
EX
_OU
T0
E4
E5
CO
EX
_OU
T1
B5GPIO_0
GPIO_1
C4211p
1000p
SFCY0000901
LFB212G45SG8A166FL400
GND1 GND2
IN OUT
C409
ANT401
15nHL409
BT_RXD
L400
NA
3.9nH
1V81_VDD
L410
ANT400
C401 10p
C411
39p
100KR417
ANT402
C4032.2u
R402 110
C408
C400
1000p
FB4000.01u
PCM_CLK
PCM_TXPCM_RX
PCM_SYNC
BT_RTSBT_CTS
BT_CLK
CLK32K
DBB_BT_INT
FSYS_EN
BT_DBB_INT
nBT_RESET
BT_RXDBT_TXD
VLOGIC
GSM_OUT
BS2
TX_RAMP
DCS_PCS_OUT
RX12X
RX12
RX34X
RX34
BS1TX_EN
7. CIRCUIT DIAGRAM
- 120 -LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5 6
D
B
AXK8L40125G
A
4
B
E
LCD CHARGEPUMP & CAM LDO
2
3 5
ENBY0020201
AXT324164
7
GB042-50S-H10-E3000ENBY0040501
C
D
C
LCD CONNECTOR
10
MAIN Board Side
1
1
ENBY0034001
8 93
A
4
1.3M CAM
2
1uC324
VBAT
1V5_DVDD
313233343536373839
4
40
56789
171819
2
20 212223242526272829
3
30
G1
G2
1
10111213141516
C33
0
CN105
2V8_
AV
DD
1V5_
DV
DD
1u
VAUX 1V81_VDD
TP1
1V8_VDD
1V81_VDD1V81_VDD
TP4
VAUX
1uC327
4647484950
28293031323334
6789
26
35363738394041424344
27
45
141516171819
2
202122232425
345
CN1031
10111213
11
TH
ER
_GN
D21
VIN
19 16V
OU
T
TP2
1V5_DVDD
BL1BL2
5
6B
L3B
L47
13BYP
C1+
18
C1-
20
C2+
17
1C2-
GR
EF
9
LDO115
LDO214
NC13
10N
C2
12NC3
PGND2
SWIF
EUSY0263105SC624ULTRTU302
8A
GN
D
4
2V8_AVDD
1V8_VDD
1uC326
C32
91u22
nC
328
C3252.2u
BA
T10
0
DS
K-3
R3G
703T
414-
GR
RS
MZ
Y00
1840
1
2324
3456789
TP3
G4
1
101112 13
141516171819
2
202122
CN104G1 G2
G3
MLE
D
MLED1MLED2
MLED3
SWIF
SWIF
LCD_DATA07VBAT
SPK_RCV_PSPK_RCV_N
MOTOR_NMOTORCAM_DATA0CAM_DATA1CAM_DATA2CAM_DATA3CAM_DATA4CAM_DATA5CAM_DATA6CAM_DATA7
CAM_MCLKCAM_PCLKCAM_VSYNCCAM_HSYNCnLCD_RESET
CAM_I2C_SCLCAM_I2C_SDA
LCD_CD
MOTOR_NLCD_DATA00
SPK_RCV_N
CAM_I2C_SDA
LCD_DATA01LCD_DATA02LCD_DATA03LCD_DATA04LCD_DATA05LCD_DATA06LCD_DATA07
MOTOR
SPK_RCV_P
nCAM_RESET
IF_MODELCD_ID
LCD_VSYNCnLCD_MAIN_CSnLCD_SUB_CS
nLCD_WR
LCD_DATA00LCD_DATA01LCD_DATA02LCD_DATA03LCD_DATA04LCD_DATA05LCD_DATA06
nLCD_MAIN_CSLCD_CD
IF_MODELCD_ID
CAM_PWDN
nLCD_RESETnLCD_SUB_CS
MLEDMLED1MLED2MLED3
LCD_VSYNC
nLCD_WR
CAM_MCLK
CAM_VSYNC
CAM_I2C_SCLCAM_DATA7
CAM_DATA1CAM_DATA2CAM_DATA3CAM_DATA4CAM_DATA5CAM_DATA6
CAM_DATA0CAM_PCLK
nCAM_RESETCAM_PWDN
CAM_HSYNC
- 121 -
7. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
B
->
->
D
C
2
52
2
1
E
95
D
4
GND
4 6 7
->
4
UP
C
->
3 KEY_COL1(UP)
3
KEY_ROW0
1
A
3 10
KEY_COL2(DOWN)
A
1 8
B
DOWN
A
B
CN101
1 2 3 4
UP DOWN
- 127 -
9. PCB LAYOUT
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
U201
-NO FLIP OFF
LD200,LD201
-NO KEY BLACKLIGHT
9. PCB LAYOUT
- 128 -LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
U300
-No Charging
U200
-The Audio working bad
U100(Memory)
-No booting
U400
-Can’t make call
-Tx Low power
-Not good ber
-No Service
SW 400 (mobile swithch)
-Can’t make a call
-Tx Low power
-Not good Ber
-No Service
CN302(Main FPCB Connector
-NO LCD Display
-NO Speaker& Receiver
-NO Vibrator
-NO Camera
U401
-The BT working bad
Q200
-No LCD Backlight
- 129 -
9. PCB LAYOUT
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
9. PCB LAYOUT
- 130 -LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 131 -
9. PCB LAYOUT
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CN103
-NO LCD Display
-NO Speaker& Receiver
-NO Vibrator
--NO Camera
CN104
-NO CameraBAT 100(Back battery)
-No service
CN105
-NO LCD Display
-NO Speaker& Receiver
-NO Vibrator
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