- 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