7. CIRCUIT DIAGRAM

1

3

2

4

5

6

8

7

9

10

11

12

13

14

16

15

1V8_VRTC

VBAT

R100 BACK_BATT

R101 VBAT

47K

R103

R104

Q100

220

10

MOTOR

6

1

R106 7.5K

T6 U5 U6 T7 U7

KEY_COL0 KEY_COL1 KEY_COL2 KEY_COL3 KEY_COL4

5

2

3

4

R105 20K

VIBRATOR

K7 J6 K5 H7 G4 G5 G9 H8 G8 F9 F7 F8 E9 E12 E16 F11 E11 D16 D14 D11 D12 D13 E10

ADD00 ADD01 ADD02 ADD03 ADD04 ADD05 ADD06 ADD07 ADD08 ADD09 ADD10 ADD11 ADD12 ADD13 ADD14 ADD15 ADD16 ADD17 ADD18 ADD19 ADD20 ADD21 ADD22

T9

M1 A9 C1 P1 N1

E15 U13 F15 T11 B11 U12

E6

VEXT01 VMEM VABB VCORE VMIC VVCXO VSIM DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DATA7 DATA8 DATA9 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15

KEYPADCOL0 KEYPADCOL1 KEYPADCOL2 KEYPADCOL3 KEYPADCOL4

NHWR NLWR NWR NRD NROMCS NRAMCS NGPCS0 NGPCS1

C117

EMZ2

C118 NA

MC-146 X100 3 2

1

10M

4 R113

D

T5 U4 R8 R6 R7

KEY_ROW0 KEY_ROW1 KEY_ROW2 KEY_ROW3 KEY_ROW4

4.7u

T10 U10 B1

26M_DBB C124 1000p

32.768KHz

R153

C125 NA

E

VBAT

F

C127 0.1u

R118 10

R119 1K

4

3

Q101

5 6

2 1

10K

R633

C

7.5K

10K

R632

R121 PRE_CHARGE_R

UMX1NTN

VBAT

C140 1u

D101 CUS02

D G

S

4

5 D3

D4

3

6 D2

D5

2

7 D1 D6 8 TPCF8102-TE85L-F Q102

1

C2 D8 E1 F1 F3 G1 G7 H5 J9 J12 K12 L5 L6 L8 M8 M9 P7 P10 R2 R9 T3 T4

KEYPADROW0 KEYPADROW1 KEYPADROW2 KEYPADROW3 KEYPADROW4 OSCIN OSCOUT CLKIN NC1 NC2 NC3 NC4 NC5 NC6 NC7 NC8 NC9 NC10 NC11 NC12 NC13 NC14 NC15 NC16 NC17 NC18 NC19 NC20 NC21 NC22

NDISPLAYCS GPO_2 GPO_3 GPO_4 GPO_7 GPO_8 GPO_9 GPO_10 GPO_11 GPO_16 GPO_17 GPO_18 GPO_19 GPO_20 GPO_21 GPI ABBRESET GPO_24 INT GPIO_4_INT BSDI1 BSDO1 CSDO CSDI1 CSDI2 CSDO_2 BSDO2 BSDI2 MCLKEN CLKOUT_GATE BSOFS2 BSIFS2 BSIFS1 BSOFS1 VCXOEN CLKON ASFS2 ASFS1 ASDO1 ASDI1 ASDI2 ASDO2 DBBON PWRON TXON GPO_1_TXON RXON GPO_0_RXON CSFS2 CSFS1 RESET NRESET GPO_6_ASM ASM MCLK CLKOUT_MCLK REFBB AFCDAC PA IP IN QP QN SPWR2 SPWR1 AIN1P AIN1N AIN2N AIN2P AIN3P AIN3N AOUT1P AOUT1N AOUT2P2 AOUT2P1 AOUT2N1 AOUT2N2 AOUT3P AOUT3N TDO_ABB TMS TDI_ABB TCK_ABB

U101 AD6720

GPIO_0 GPIO_1 GPIO_2 GPIO_3 GPIO_5 GPIO_6 GPIO_7 GPIO_8 GPIO_9 GPIO_10 GPIO_11 GPIO_12 GPIO_13 GPIO_14 GPIO_15 GPIO_16 GPIO_17 GPIO_22 GPIO_23 GPIO_24 SIMDATAOP SIMCLK GPIO_32 GPO_5 LIGHT1 LIGHT2 LIGHT3 GPO_22 GPO_23 VMEMSEL REF REFOUT TEMP1 TEMP2 AUXADC1 AUXADC2 VRTC VCHG GATEDRIVE ISENSE VBATSENSE REFCHG BATTYPE GPIO_18 GPIO19_TMS GPIO_20 GPIO_21_TDI JTAGEN KEYOUT KEYON USC0 USC1 USC2 USC3 USC4 USC5 USC6

N9 N11 F10 R11 N10 N13 G10 T14 H14 H15 T8 D7 G6 P4 C17 K6 D15 A1 M4 K4 D10 B15 B4 N7 U3 U8 K16 T17 U16 U9 J16 G16 L11 M13 K13 G12 G13 G14 G15

E

C139 4.7u 330 R131

R129 0.2

R127

2.2K

VCHARGE

R122

VCHARGE

100

M2 N4 N3 N2 FB100 N8 FLIP P9 _MIDI_IRQ R137 0 P2 HOOK_DET P3 JACK_DETECT R1 CAM_HOLD T1 SPK_SEL R3 LCD_RESET T2 _MIDI_RESET U1 CHG_DET P5 CAM_RST U2 LCD_DIM_CTL R4 INDLED_G P6 LCD_ID1 E5 E3 SIM_RST D2 INDLED_R E2 SIM_DATA E4 SIM_CLK B2 DSR R124 NA R10 ASM F14 H13 J15 1V8_VRTC P8 KEY_BACKLIGHT R5 T12 D17 C137 C131 1u C15 0.1u C136 1u C14 A13 C138 R138 NA A14 HOOK_DET 4.7u B14 T13 C12 A12 C13 B13 R132 82K F17 B12 BATT_TEMP F5 TCK F2 C146 TMS F6 0.1u TDI G3 TDO1 F4 JTAGEN T16 KEY_ROW0 U17 POWERKEY M5 USC0 L3 USC1 M7 USC2 L2 USC3 M3 USC4 N6 USC5 N5 CAM_INT (USC6) VIBRATOR DEBUG_RX _WAIT DEBUG_TX

CHARGE

1.5K

ADD0 ADD1 ADD2 ADD3 ADD4 ADD5 ADD6 ADD7 ADD8 ADD9 ADD10 ADD11 ADD12 ADD13 ADD14 ADD15 ADD16 ADD17 ADD18 ADD19 ADD20 ADD21 ADD22

1V8_VCORE

2V75_VVCXO

2V5_VMIC

2V75_VABB

2V8_VEXT

2V85_VSIM

VCORE1 VCORE2 VCORE3 VCORE4 VPEG

DSR USC5 USC4

VBAT

C

C109 0.1u 2V8_VMEM

B

VIBRATOR

C108 22p

RPWRON

VDDRTC

CTS

A

C107 0.1u

C106 0.1u

VSIM_2

RTS

C105 22p

1V8_VCORE

C101 22p

VBAT11 VBAT12 VBAT21 VBAT22 VBAT3 VBAT8

DSR

C104 0.1u

D1 A10 A4 A6

VBAT VBAT NC2 PWR URXD NC3 NC4 UTXD

C103 22p

VMEM1 VMEM2 VMEM3 VMEN4

TX NC1

ON_SW ON_SW

C102 0.1u

USC1 USC2

L1 J1 H1 K1

RX

1 2 3 4 5 6 7 8 9 10 11 12

VEXT02 VEXT1 VEXT2 VEXT3

GND

22u C100

AGND04 AGND06 AGND31 DGND AGND05 AGND36 AGND32 SGND2 AGND12 GND54 VSSRTC GND63 GND4 GND9 AGND01 GND2 GND52 GND61 GND7 GND3 GND51 AGND2 GND62 GND8 GND10 GND11 GND56 AGND4 SGND1 GND1 GND55 GND53 AGND02 AGND03 LGND AGND33 AGND34 AGND35 AGND11

GND RX TX UFLS

1K

2V85_VSIM

C110 C111 C112 C113 C114 C115 C116

C11 R13 G17 U11 P16 F16 R14 A11 D9 E8 C9 A8 C8 B8 E7 A7 C7 B7 C6 B6 D6 A5 C5 D5 D4 C4 B5 D3 B3 C3 A2

1u 1u 1u 1u 1u 1u 1u

C10 G2 H3 H4 H2 H6 J3 J4 J2 J5 L7 L4 K3 M6 K2 E14 P12 P11 H10 H9 L10 L9 K14 K15 M16 N16 K11 K10 L12 L13 K9 K8 J11 J10 B10 B9 J14 J13 J8 J7 H12 H11 U15 U14 N15 N14 M12 N12 M11 M10 R12 A3 M15 L15 L14 M14 A15 E17 C16 A16 B16 B17 A17 T15 P13 M17 N17 P17 R17 L16 L17 H16 K17 P15 R16 R15 P14 H17 J17 G11 F13 E13 F12

2V8_VMEM

_UBS _LBS _WR _RD _ROM_CS1 _RAM_CS1

C119 0.1u R109

G1 F1 E1 D1 B1 C1 F2 E2 F6 D7 E7 B8 C8 D8 F7 E8 F8 D2 B2 B3 E6 B7 C7 C3 D3 E3

MEMORY (128 + 64PSRAM)

DATA00 DATA01 DATA02 DATA03 DATA04 DATA05 DATA06 DATA07 DATA08 DATA09 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15 TP100 TP101 TP102 TP103 TP104 TP105 TP106 TP107

ADD01 ADD02 ADD03 ADD04 ADD05 ADD06 ADD07 ADD08 ADD09 ADD10 ADD11 ADD12 ADD13 ADD14 ADD15 ADD16 ADD17 ADD18 1V8_VCORE ADD19 ADD20 ADD21 ADD22 _ROM_CS1 ADD23

0

C120 0.1u

R102

0

B5 L4 B6 K6 J8 K7 L3 D4 K5 K4

C121 C122 C123 0.1u 0.1u 0.1u

_ROM_CS2

_MIDI_CS

ONNOFF PRE_CHARGE_R RF_PWR_DWN

R111

0

R114

NA

B4 C4 L1 L2 L5 L6 L7 L8

_LCD_CS ADD23

ANT_SW1 RF_RST ANT_SW2 PA_EN PA_BAND

A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25

U100 PF38F3050L0ZBQ0

A1 NC1 A2 NC2 A7 NC3 A8 NC4

2V8_VMEM

D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15

H2 H3 G3 H4 J5 G5 J6 H7 G2 J3 G4 J4 H5 G6 H6 J7

DATA00 DATA01 DATA02 DATA03 DATA04 DATA05 DATA06 DATA07 DATA08 DATA09 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15

B

J1 _S_CS1 C5 S_CS2

C

D6 _P1_CS K2 _P2_CS K8 P_MODE

VCC11 VCC12 VCC21 VCC22 VCCQ1 VCCQ2 VCCQ3 VPP P_VCC S_VCC VSS1 VSS2 VSS3 VSS4 VSS5 VSS6 VSS7 VSS8

_RAM_CS1 _RESET

C2 _R_LB D5 _R_WE H1 _R_OE F3 _R_UB

_LBS _WR _RD _UBS R108

NC9 NC8 NC7 NC6

2V8_VEXT

_CE1 _CE2 _CE3 _WP _ADV _WE _OE1 _OE2 _RST WAIT CLK

K1 G8 K3 E4 E5 F5 J2 H8 F4 G7 C6

NA

R110 R112

_ROM_CS1 _ROMCS1 300 0

R115

0

R116

NA

D _WR _RD _RESET _WAIT

R117

M8 M7 M2 M1

VBAT UART100 3G 2.5G

A

20K

S_EN S_DATA S_CLK

E

ABBRESET ABB_IRQ

2V8_VMEM

C126 0.1u

MCLKEN

_ROM_CS2

TC7SH08FS 1

5

U102

VCC

4

_ROMCS1

3

_ROM_CS1

GND

2

F

CLKON ASFS

D100 TP108

1

R145 ONNOFF

RPWRON

2

NA

RXON

SIM CONNECTOR

R123 100K

KDR331V

2V85_VSIM

2V85_VSIM

3

TXON

R120 20K

4 5 6 10 9

R125 R126 200 C130 47n

C129 47n

ASM ASM

C133

CLKOUT

C132

13MHz

1u

IP IN QP QN R130

0

SIM_DATA

_RESET

J100 1 GND1 VCC 2 VPP RST 3 IO CLK 7 GND5 GND2 8 GND4 GND3

C128 220n

NA

C134

C135

22p

1000p

AFC TX_RAMP

2V85_VCAM C143 0.1u

C SIM_RST SIM_CLK

C141

C142

47p

0.068u

2V5_VMIC R128 NA

NA

D VINNORP VINNORN AUXIN AUXIP

R133

4.7

R135

REC_P C148 39p

C147 39p

R134 NA

C144 C145 39p 39p

C149 39p

REC_N R136

4.7 SPK

NA

C150 39p

AUXOP

C151 39p

C152 39p

E

Section

Date

Designer

12 / 19 2005

Sign & Name

Sheet/ Sheets

C153 C154 39p 39p

MODEL

BUTTERFLY(KG225)

1/6

Checked DRAWING F

OJ101

OJ102

OJ103

Iss. 1

BB

NAME

Approved OJ100

2

3

4

5

6

7

8

Notice No.

Date

Name

LG Electronics Inc.

DRAWING NO.

VER-1.1

9

LG(42)-A-5505-10:01

LG Electronics Inc.

- 87 -

7. CIRCUIT DIAGRAM

1

3

2

5

4

6

7

8

ACOUSTIC & MIDI

10

9

2V5_JACK 2V8_VEXT

A

CLOSE TO EARJACK U204 B4

2V8_VEXT

SPK_RCV_P

4 3

NCP563Q25T1

C217 1u

2V8_VEXT

SPK_RCV_N R205

AUXOP

GND

U201

3

R206

4.7

R207

VIN+

4.7

5 1 3 4 2

C209 0.1u

2

LMV7291MGX-NOPB

R208

C210

330K

JACK_DETECT L

REMOVE

H

INSERT

C212 39p

BB

J200

VA204 EVL5M02200

OUT

AUXIP

VA203 EVL5M02200

1

VIN-

VA202 EVL5M02200

JACK_DETECT

4 VCC

39p

5

B

C208 10u

1M

C207 39p

C211

VA200 EVL5M02200

COM2

B1

NC2

NC

Vin VOUT

R631

A3 GND

REC_N

100K C3

1M

COM1

GND

C203 22u

R209

NC1 A1

C206 39p

R204 NA

NA

39p

IN2

2

HOOK_DET C216

C202

SPK_SEL

A2 NO2

C1

REC_P

0

1u

IN1

A4

SPK_N

R203

0.1u C2

NO1

1 R202 1.5K

AUXIN

V+

C4

SPK_P

R201 20K

C201

MAX4684EBC_T

VA201 EVL5M02200

C205 1u

AA

U202

1K C200 10u

2V5_JACK

R200

C213

SPK 0.1u

U203 YMU762C-QZ

DATA08 DATA09 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15 R218

3.3K

6 9

D

C224

EQ2

12 13

C214 0.01u

R212

D0 D1 D2 D3 D4 D5 D6 D7 PLLC

R213 1K

R214 120K

C218 270p

R215

R216

VINNORP

17

SPK_N

18

100 R217

0

C220

C221

39p

39p R219

VINNORN

100

C223

0.1u

OB4-15L42-C33L

R220

8

SPVDD

15 C227 0.1u

VDD VSS

1 2

VBAT

VREF IOVDD

C215 10u

MIC200

SPK_P

SPOUT2

C219 39p

2.2K

14 EQ3 2 LED 19 MTR

SPOUT1

C

33K

0.1u

7 C229 1u

EQ1

_WR _IRQ

32

C228 1u

11 HPOUT_R 10 HPOUT_L

SPVSS

2.2K

16

D VA206 EVL5M02200

C222 1000p

27 26 25 24 23 22 21 20

CLK1 _RST A0 _RD _CS NC

VA205 EVL5M02200

28 3

_WR _MIDI_IRQ

2V85_VCAM 2V85_VCAM

1 4 30 31 29 5

39p

NA

C226

R210

13MHz _MIDI_RESET ADD00 _RD _MIDI_CS

39p

26M_MIDI

2V5_VMIC

R211 20K

C225

C

CLOSE TO MIC

Section

Date

Sign & Name

Designer Checked

E

Approved

Iss. 1

2

3

4

Notice No.

Date

Name

LG Electronics Inc.

MODEL

BUTTERYFLY(KG225)

Sheet/Sheets 2/6

DRAWING NAME

DRAWING NO.

AUDIO

VER-1.1

5

LGIC(42)-A-5505-10:01

LG Electronics Inc.

- 88 -

7. CIRCUIT DIAGRAM

3

9

KEY_ROW0

1

SW307

R324

2

SW308

SW309

3

LEFT

SW310

SW311

MENU

2V8

100K

Pin 24

100K

TDO_1

100K

Pin 18

RXD

TX

USC4

-

RTS/CTS(PC)

USC5

-

CTS/RTS(PC)

TXD

RESET

(GPIO_32) DSR

RPWRON

680

KEY_ROW1 USC0 VA306 EVL14K02200

R326

B

SW312

4

SW313

7

SW318

5

SW314

8

SW319

6

SW315

9

SW320

R331

-

29

R322

47

R323

47

R325

47

25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

SEL

680

SW317

CN300 ENRY0005301

SW316

UP

(USC6) CAM_INT USC1 USC2 USC3

KEY_ROW2 VA307 EVL14K02200

VA300 EVL5M02200

RX

USC2

USC6

AA

-

R319

680

TDI

R318

Pin 11

UART

CLOCK

USC1

R317

TCK NA

TMS

100K

Pin 7 Pin 9

USC0

R321

FAV SW306

2V8_VEXT

100K

VA303

_RESET

R315

CLR SW305

Pin 2

R316

100

DAI

PIN EVL14K02200

VA302

VA301

R303

EVL14K02200

100

EVL14K02200

VA305

EVL14K02200

EVL14K02200

VA304 R320

R302

I/O CONNECTOR

DAI JTAGEN

NA NA NA NA NA NA NA NA

PIN Pin 1

R307 R308 R309 R310 R311 R312 R313 R314

SW304 POWERKEY 680

10

VBAT 2V8_VMEM 2V8_VEXT TDO1 TDI TCK TMS _RESET JTAGEN

Trace32

10K

A R301

8

7

VOL_UP VOL_DOWN T

END

R300

6

CN601 1 2 3 4

SW300

VBAT

5

4

VCHARGE

2

1

SW321

RIGHT

SEND

R327 R328 R329 R330

NA 47 47 47

R332 R333 R334 R335

47 47 47 47

680

KEY_ROW3

SW322

R336

SW324

SW3230

*

SW325

#

SW326

DOWN

DEBUG_TX USC5 USC4 DEBUG_RX

CONF

680

26 27 28

KEY_ROW4

680

R343

680

R344

680

NA

(GPIO_13) 100K

3p

10p

CHG_DET

C307

R340

VA311

C306

C C305

1u

39p

22u 1u

C300

VA312

C302 C303

C304

680

R342

VA313

R341 KEY_COL1

EVL14K02200

680

EVL14K02200

R339 KEY_COL0

VA310

1u

C

EVL5M02200

C301

100K EVL5M02200

R337 BATT_TEMP

KEY_COL2 KEY_COL3 KEY_COL4

VBAT VBAT

1u

1u C320

D

C321

1u

1u C318

C319

1u

1u C316

C317

1u

100 R358 LD313 LEBB-S14H

C315

100

100 LD312 LEBB-S14H

R357

R356

100 R355 LD310 LEBB-S14H

LD311 LEBB-S14H

R353

R354 LD309 LEBB-S14H

LD308 LEBB-S14H

LD307 LEBB-S14H

100

100

100 R352

R351 100 LD306 LEBB-S14H

R350 100 LD305 LEBB-S14H

R348 100

R347 100

R346 100

R349 100 LD304 LEBB-S14H

LD303 LEBB-S14H

LD302 LEBB-S14H

LD301 LEBB-S14H

1u

R345 100

C314

LD300 LEBB-S14H

1u

1u C313

1u C311

C312

1u

1u C310

1u

C309

D

C308

KEY BACKLIGHT

10

Section

Date

Sign & Name

Designer

R361

10

2 1

27p

5

3

R360

10 R364

IMX9T110

C322

10 R363

27p

12K R362

E

C323

KEY_BACKLIGHT

12K

6

4

Q300 R359

Checked Approved

LG Electronics Inc. 1

2

3

4

5

6

LGIC(42)-A-5505-10:01

Sheet/Sheets MODEL

BUTTERFLY(KG225)

DRAWING NAME

MMI,I/O

DRAWING NO.

VER-1.1

3/6

7

LG Electronics Inc.

- 89 -

7. CIRCUIT DIAGRAM

1

2

4

3

5

6

7

10

9

8

FLIP SWITCH 2V8_VMEM

A

A R400 100K

(GPIO_5)

2V85_VCAM

VBAT

INDICATOR LED

1 2

R402 ONNOFF

VBAT

0 C402 1u

NA

AAT3236IGV-2.85-T1 C404 1000p

2V85_VCAM

C405 1u R404 100

C403 27p

R403 270

3

R405

1

U400 A3212EEH-T

U401 1 5 IN OUT 2 GND 3 4 EN BYP

2

C401 0.01u

3

NA

6 VDD OUTPUT 5 NC2 NC1 4 GND2 7 GND1 PGND

R401

C400 1u

2V8_VEXT

4

FLIP

LD400 SML-521MUWT86

CAMERA CTL IC

R407

B

RED

GREEN

1

C408

0.1u

10u

G2

B8 C9 M10 L3 J8 L9 M9 K8 L8 M8 K7 L7 M5 M4 L4 M3 K4 M2 M1 CIS_TYPE2 CIS_TYPE1 CIS_TYPE0 C_PWDN C_D7 C_D6 C_D5 C_D4 C_D3 C_D2 C_D1 C_D0 C_SCK C_SDA C_PCLK C_RST C_HS C_VS C_MCLK

STROBE

STATUS

HIGH

DEACTIVE

LOW

ACTIVE

5

12K

Q400 EMH10

VDDL

C410

K5

C411

0.1u

0.01u

C412 1u

C413 1u

C414 1u

C

WHITE_LED LDO

J2

VBAT

U403 GNDI1 GNDI2 GNDI3 GNDI4 GNDC1 GNDC2 GNDC3 GNDC4 GNDC5

EUSY0240501

C415 4.7u 1608

C416 0.01u

(1%)

B2 E8 J3 K6 A5 B5 C5 F2 L5

C418

C419

U404 5

1u

1u

IN

C1C2+

FB400 8

MLED

A2 XIN A1 XOUT

R412

26M_CAM

11

LCD_DIM_CTL 20K

R499 C450 NA

100K

1u

4

C420

CP

1u C2-

EN_SET

C421 GND

C417 1u

9 7

D1 D2 D3 NC

6 1 2 3 12

MLED1 MLED2

D

0

2V85_VCAM

AAT3157ITP-T1 10 C1+

R417

100K

R414

D9

VDDS

A8 VDDC1 A10 VDDC2 D2 VDDC3 H10 VDDC4

ADD01 ADD02 ADD01 DATA00 DATA01 DATA02 DATA03 DATA04 DATA05 DATA06 DATA07 DATA08 DATA09 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15 _LCD_CS _RD _WR (USC6) CAM_INT CAM_HOLD CAM_RST

100K

C_PWDN

4

3

C409

B9 VDDI1 C7 VDDI2

D8 B10 C8 B7 A7 A6 B6 C6 A4 B4 C4 C3 B3 A3 D3 C2 B1 E3 C1 E2 D1 F3 R416 E1 F1 0 G3 R415 A9

M_8BIT

D

L_RESET_N L_DA0 L_DA1 L_DA2 L_DA3 L_DA4 L_DA5 L_DA6 L_DA7 L_DA8 L_DA9 L_DA10 L_DA11 L_DA12 L_DA13 L_DA14 L_DA15 L_DA16 L_DA17 L_CS_N L_WR_N L_RD_N L_ADS LS_CS_N

INDLED_G R430

2V85_VCAM

M_SA0 M_SA1 M_ADS M_SD0 M_SD1 M_SD2 M_SD3 M_SD4 M_SD5 M_SD6 M_SD7 M_SD8 M_SD9 M_SD10 M_SD11 M_SD12 M_SD13 M_SD14 M_SD15 M_CS_N M_RD_N M_WR_N M_INTR M_HOLD M_RESET_N MS_CS_N

L_MAIN_LCD_CS LCD_WR LCD_RD LCD_RS

GPIO_0 GPIO_1 GPIO_2 T_MODE0 SCAN_EN TEST_EN

J1 H3 H1 M7 M6 L6

S

L2 L10 J9 K10 H8 H9 J10 G10 G9 G8 F8 F10 E10 F9 D10 E9 C10 H2 G1 L1 K2 K1 K3 K9

R431 12K

D

G

L_DATA00 L_DATA01 L_DATA02 L_DATA03 L_DATA04 L_DATA05 L_DATA06 L_DATA07 L_DATA08 L_DATA09 L_DATA10 L_DATA11 L_DATA12 L_DATA13 L_DATA14 L_DATA15

INDLED_R

2V85_VCAM Q401 SI1305-E3

C

2

C_CD07 C_CD06 C_CD05 C_CD04 C_CD03 C_CD02 C_CD01 C_CD00 C_SCK C_SDA C_PCLK C_RST C_HS C_VS C_MCLK

2V8_C_PWR 100K

100K

R408

6

B

Section

Date

Sign & Name MODEL

Designer

E

BUTTERFLY(KG225)

Sheet/ Sheets

4/6

Checked DRAWING NAME

CAMERA IC/ CHARGE PUMP

Approved

Iss. 1

2

3

4

Notice No.

Date

Name

LG Electronics Inc.

DRAWING NO.

VER-1.1

5

LG Electronics Inc.

LGIC(42)-A-5505-10:01

- 90 -

7. CIRCUIT DIAGRAM

2

1

TP500

TP501

4

3

5

7

6

9

8

10

TP502

VBAT R500

100

R501

100

PA_BAND PA_EN R502 C501 12p

5.6nH

C502

C504

C503 18p

0.01u

C500

33p

A

22u

1.5p

C506 27p

C505 27p

0

R503

A

C588

PGND GND9 GND8 GND7 GND6 GND5 GND4 GND3 GND2 GND1

21 16 14 13 12 10 9 8 7 5

R588 2.2nH

20

VAPC

L599 12nH

C509 NA

SKY77328 U500

C515 22p

R505

C519 0.01u

R508 180

33p

220

C510 22p C514

B R511

30

R510 180

0

NA RF_PWR_DWN C521 27p

TX_RAMP 1K

PCS_RX1 DCS_RX1

GND9

EGSM_RX2

GND8

EGSM_RX1

GND7

C524 15 14 13 12 11 10

1.8p

C527

1.5p

C528

1.5p

GND6

L501 6.8nH

GND5 DCSPCS_TX

GND2

EGSM_TX

5 8

C529

1.5p

C533

1.5p

1

ANT

GND3

RFIPP RFIPN RFIDP RFIDN RFIEP RFIEN RFIAP RFIAN

SI4210 U501

XOUT BIP BIN BQP BQN SDIO _SEN SCLK

C523 39p R514

NA

8 7 6 5 4 3 2 1

IN 26M_DBB QP C526 39p QN S_DATA S_EN S_CLK 2V75_VVCXO

25 26 27 28 29 30 31 32 33

GND4

GND1

17 18 19 20 21 22 23 24

L500 5.6nH C525

IP

16 15 14 13 12 11 10 9

2p

XMODE XDIV AFC VDD3 VDD4 XTAL2 XTAL1 XEN PGND

GND10

PCS_RX2 DCS_RX2

RFOH RFOL GND VDD2 VDD1 VIO _RESET _PDN

9 3 VC_EGSM

GND11

VC_DCSPCS

GND12

R512 RF_RST

39p

GND13

C512 100p

R513 C522

24 23 22 21 20 19 18 17 16 7 6 4 2

C511 0.1u

10p

5dB

C520 0.01u

C518 NA

C517 NA

C508

R509

C516 27p

24

R507

4 3

220

GSM_IN

DCS_PCS_IN

R506

GSM_OUT

DCS_PCS_OUT

VCC1B 6 VCC1A 2

15

17

11 C507 10p

2V8_VEXT

RF2V85

4dB

BS 1 ENABLE 18

RSVD_GND

G2

RF

G1

ANT

19

VBATT

SW500 KMS-506

RF2V85

C530 27p

L502 27nH

FL500 HWXQ511

C534 22p

C531 27p

C532 27p

C536 2.2u

C535 0.1u U502 SN74AHC1GU04DCKR

C537 1000p

26M_DBB R515

R560

0 26M_CAM

R516

0

R518

0

0

C538 1000p

ANT_SW1

R561

0

26M_MIDI

ANT_SW2 2V75_VVCXO R519 1M

X500 C540 270p

3

C541 270p

VBAT

RF2V85

R520 100

4

C542 NA U503 1 IN 2 GND 3 EN

R522 CLKON

VCC

GND

1

AFC

C544 2.2u

D

R521 15K

2

26MHz

MIC5255-2.85BM5 5 OUT BYP

OUT VCONT

C543 1000p

4

0 R523 100K

C545 1u

C546 0.01u

C547 4.7u

Section

Date

Sign & Name

Designer Checked

E

Approved

Iss. 1

2

3

4

Notice No.

Date

Name

LG Electronics Inc.

Sheet/Sheets MODEL

DRAWING NAME

DRAWING NO.

BUTTERFLY(KG225)

5/6

RF

VER-1.1

5

LGIC(42)-A-5505-10:01

LG Electronics Inc.

- 91 -

7. CIRCUIT DIAGRAM

1

2

3

4

5

6

7

8

9

10

VGA CAMERA A

A

128x128LCD CONNECTOR

NA NA

R602 R603 R604 R606 R608 R610 R612 R614 R616

NA NA NA NA NA NA NA NA NA

2V85_VCAM

R640

R605 R607 R609 R611 R613 R615 R617 R618 R619

100K

2V8_C_PWR

INOUT_A2 INOUT_B2

7

INOUT_A3 INOUT_B3

6

INOUT_A4 INOUT_B4

5

10

FL602

ICVE21054E250R401FR

R625

100K

LCD_ID1 LCD_MAKER(TO GPIO_17)

100 LCD_RESET R626

2 3

0

INOUT_A1 INOUT_B1 INOUT_A2 INOUT_B2 INOUT_A3 INOUT_B3 INOUT_A4 INOUT_B4

5

3 2 1 9 8 7 6

SPK_RCV_P SPK_RCV_N

FL606 ICVE21184E150R500FR

2V8_C_PWR

C601

C641 NA

10

G1

4

4

3

INOUT_A2 INOUT_B2 INOUT_A3 INOUT_B3 INOUT_A4 INOUT_B4

4.7K

4.7K R630

5

10

G1

G2 9 1

INOUT_A1 INOUT_B1

2

INOUT_A2 INOUT_B2

3

INOUT_A3 INOUT_B3

4

INOUT_A4 INOUT_B4

FL603

FL605

6 7 8 9

4 3 1

1 9

L_DATA12 L_DATA13 L_DATA14 L_DATA15

8 7 6

ICVE21184E150R500FR

INOUT_B3 INOUT_A3 INOUT_B2 INOUT_A2 INOUT_B1 INOUT_A1

4 3 2 1

C_CD00 C_CD01 C_CD02 C_CD03

ICVE21184E150R500FR

INOUT_A4 INOUT_B4 INOUT_A3 INOUT_B3 INOUT_A2 INOUT_B2 INOUT_A1 INOUT_B1

6 7 8 9

C_CD04 C_CD05 C_CD06 C_CD07

D

9 8 7 6

Date

Sign & Name

Checked

E

Approved

Iss. 3

2

ICVE21054E250R401FR

INOUT_B4 INOUT_A4

FL607

Section

2

3

C MLED1 MLED2

Designer

1

L_DATA08 L_DATA09 L_DATA10 L_DATA11

4

10

5

G1

4

INOUT_A1 INOUT_B1

INOUT_B1 INOUT_A1

G2

2

R629

FL608 ICVE21184E150R500FR 1

C_SDA C_SCK C_RST

INOUT_B2 INOUT_A2

8

2

D

INOUT_B3 INOUT_A3

7

MOTOR

FL601

INOUT_B4 INOUT_A4

6

5

R641

INOUT_B1 INOUT_A1

0.1u

C_MCLK C_PCLK C_HS C_VS

INOUT_B2 INOUT_A2

LCD_RD

1u

1

INOUT_B3 INOUT_A3

0

C604

9

INOUT_B4 INOUT_A4

39p

8

C603

7

39p

6

LCD_WR LCD_RS

MLED

G2

L_MAIN_LCD_CS

BACK_BATT

G1

G2

10

FL604 ICVE21184E150R500FR

C602

C600 22p

5

R627 100K

C

ICVE21054E250R401FR R624

G2

8

60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31

G1

9

INOUT_A1 INOUT_B1

G1

4

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

1

5

3

CN600

2

INOUT_B1 INOUT_A1

10

2

3

INOUT_B2 INOUT_A2

5

1

L_DATA04 L_DATA05 L_DATA06 L_DATA07

4

INOUT_B3 INOUT_A3

10

9

INOUT_B4 INOUT_A4

G1

8

G2

7

10

6

G2

L_DATA00 L_DATA01 L_DATA02 L_DATA03

B

FL600

G1

G2

10

ICVE21054E250R401FR

_RD DATA08 DATA09 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15

5

B

NA NA NA NA NA NA NA NA NA

G1

_LCD_CS DATA00 DATA01 DATA02 DATA03 DATA04 DATA05 DATA06 DATA07

R600 R601

G2

ADD01 _WR

4

Notice No.

Date

Name

LG Electronics Inc.

MODEL

BUTTERFLY(KG225)

Sheet/ Sheets

6/6

DRAWING NAME

DRAWING NO.

LCD CONNECTOR

VER-1.1

5

LGIC(42)-A-5505-10:01

LG Electronics Inc.

- 92 -

KG225

8. PCB LAYOUT

- 93 -

KG225

8. PCB LAYOUT

- 94 -