background image

- 120 -

GND

IN

OUT

E

4

2

R&D CHK:

T.K.CHOI

Engineer:

EXTERNAL RESET

REV:

3

7

Pin7

6

4

D

Pin6

PMIC & Li-ion CHARGER

LCD BACKLIGHT & CAMERA FLASH LED DRIVER

F

Drawing Number:

9

8

Changed by:

G

E

Drawn by:

A

MFG ENGR CHK:

9

QA CHK:

Date Changed:

F

D

3

5

2

Page:

12

MULTI-PORT SWITCH 1

8

5

Pin7

1

B

12

AUDIO AMP SUB SYSTEM & SIGNAL DISTRIBUTOR

C

W.J.KIM

DOC CTRL CHK:

Pin7

TITLE:

H

Issue 1.0

B

6

C

G

 

 

2/5

ME820

 

 

A3

12 1 8 A

11

Time Changed:

AUDIO POWER EXTERNAL LDO

LG Electronics

REMOTE POWER ON

10

BATTERY CURRENT MONITOR

Pin6

10

1

Pin6

Pin7

11

Size:

Pin7

7

Pin6

Pin6

H

A

C235

mentor

2005-06-01

3:07:35 pm

1V5_DSP

100u

0

R437

VBAT

120

R209

TP206

R218

1000p

C448

0

CRS08

D201

100K

R217

C210

2.2u

ZXCT1010E5TA

GND

2
3

IOUT

LOAD

5

1

NC

VIN

4

C226

U201

C447

2.2u

1u

C211

2.2u

R439

NA

C438

1000p

2V72_IO

VSUPPLY

R453

100K

C231

1u

120

R206

R233

10K

2V85_RF

100p

C460

C461

1000p

R452

1K

470K

R208

R447

NA

VBAT

1u

C202

6

CE

GND1

2

GND2

5

NC

4

1

VDD

VOUT

3

U403 R1114D281D-TR-F

3V3_AUDIO

2.2u

C208

1u

C215

R201

120

B2

SDA

A1

C2

VDD1

VDD2

C3

C4

VDD3

VOC

A5

R434

0

I2CSPIVDD

I2CSPI_SEL

E1

B3

ID_ENB

D3

LHP3D1

LHP3D2

E3

E4

LIN

LOUT

E5

D1

MONO+

B1

MONO-

B5

NC1
NC2

D2

B4

PHONE_IN

RHP3D1

A4

RHP3D2

A3

RIN

D4

D5

ROUT

SCL

U210

LM4845

E2

CBYPASS

GND1

C1

C5

GND2

A2

C230

1u

C209

2.2u

VSUPPLY

R216

100K

2V11_RTC

1u

C237

22u

C219

6

5

NC1

7

NC2

NC3

8

11

PGND

VIN

1

VO1

10

9

VO2

U205

ISL9014IRJNZ

4

CBYP

EN1

2

EN2

3

GND

2.2u

2V85_IO2

C218

0.1u

2V72_IO

L201
10uH

VBAT

2V72_IO

C234

TP208

VBAT

U206 NC7WZ08L8X

R219

100K

C248

470n

22u

C220

1K

R214

0.1u

C247

0.1u

C216

0.15

R220

C240

100p

C459

C458

NA

C456

NA

82K

100p

R236

4.7K

R213

5

COM

GND

3

1

IN

NC

4

6 NO

2

VCC

U204

NLAST4599DFT2G

C222

2.2u

1K

R207

22

R235

C201

VBAT

1u

0.1u

C246

D1 D2

D3 D4

G

S

FB201

Q201
SI3457BDV

R438

NA

C232

1u

VBAT

0.1u

C244

1

VCC

4.7K

R237

NLAS5223BMNR2G

U208

COM1

3

COM2

9

GND

6

4

IN1

8

IN2

NC1

5

7

NC2

2

NO1

10

NO2

R234

10K

1.5K

VCHG

R224

R238

22

2V7_VCXO

GND

6

4

IN1

8

IN2

NC1

5

7

NC2

2

NO1

10

NO2

1

VCC

R229

100K

U211 NLAS5223BMNR2G

COM1

3

COM2

9

2.2u

C221

VBAT

C233

1u

C212

2.2u

C236
0.1u

VBAT

R204

47mohm

2V85_SIM

100p

C241

20

VRF1

40

VRF2

38

37

VRF3

VRFC

3

VRTC

42

18

VSIM1

19

VSIM2

27

VSSAU

8

VSSFB

7

VSSPW

VSSR

33

VUPU

10

VUSB

11

2V65_BT

2

12

VBUS

VCHC

44

1

VCHS

36

VCXOEN

VDDA

35

VDDAU

30

VDDB

17

VDDC

46

VDDCH

43

VDDPW

5

39

VDDRF

VIB

13

VINT

21

45

VLBB1

47

VLBB2

VMMC

AUOP

BYP

31

9

FB

GND

49

41

INTOUT

32

IREF

LED

16

22

LRF3EN

4

ON

RESETQ

48

23

SCL

SDA

24

15

SLED1

14

SLED2

6

SW

34

VANA

VBATS

PMB6812

U203

25

AUIN

AUIP

26

AUON

28

29

1u

C451

1u

C203

TP205

C207

2.2u

R211

100K

27p

C205

2V65_ANA

8

ISINK4

17

PGND

VIN

4

VOUT_BL

13

VOUT_FL

3

C1+

11

12

C1-

14

C2+

C2-

15

C3+

2

1

C3-

16

EN_FLSH

10

EN_SET

GND

9

ISINK1

5

ISINK2

6
7

ISINK3

AAT2805IXN-4.5-T1

U202

2.2u

C213

C204

1V5_CORE

1u

10K

R231

1V8_MEM

C214

2.2u

G1

G2

1

2

3

R205

120

CN201

C245

220n

C239

220n

C251
0.1u

3V3_AUDIO

C243

100p

VBAT

22K

R203

R212

VBAT

2V8_AF

3V3_AUDIO

100K

220n

C462

4.7u

2.2u

VCHG

C238

VBAT

C229

C224

2.2u

C250

2V85_CARD

0.068u

100p

C242

IN1_2

2

10

IN3_4

NC1

1

5

NC2

NC3

9

13

NC4

15

NO1

3

NO2

NO3

7

11

NO4

V+

14

U209
DG2018DN_T1_E4

17

BGND

COM1

16

COM2

4

8

COM3

COM4

12

GND

6

0

1V5_RF

3V1_USB

VBAT

R451

R228

10K

0

R436

TP207

2.2u

C227

C228

2.2u

C206

1u

2.2u

C223

C217

2.2u

220K

2V11_RTC

2V72_IO

3V3_AUDIO

R202

0.068u

0

R215

2V72_IO

C249

E

2.2K

R210

Q202

RN1307

B

C

AMP_IN_R

AMP_IN_L

BBP_SND_R

FM_BBP_SEL

BBP_SND_L

FM_SND_L

AMP_IN_L

AMP_IN_R

FM_SND_R

SPK_N

SPK_RCV_N

RCV_N

RPWRON_EN

RPWRON

AU_PWR_EN

JACK_DETECT

MULTI_PORT_1

MULTI_PORT_0

TXD_0

SPK_P

SPK_RCV_P

RCV_P

SPK_RCV_SEL

VCHS

USB_PU

VBUS_USB

RXD_0

USB_DM

USB_DP

REMOTE_ADC

REMOTE_INT

AF_PWR_EN

KEY_BACKLIGHT

RPWRON

_EXTRST

_PMRST

PM_INT

SPOWER_INT

_RESET

VCH_CTL

MLED_C1

LCD_BACKLIGHT

FLASH_EN

PWRON

RTC_OUT

VBACKUP

VBUS_USB

FLASH_LEDA

HS_OUT_L

SPK_P

SPK_N

HS_OUT_R

SDA
SCL

MLED_A

MLED_C4

MLED_C3

MLED_C2

USB_PU

PWRON

END_KEY

BATT_TEMP

I_MONITOR

SPOWER_INT

BT_VCXO_EN

PWRON

_PMRST

SCL

SDA

VCH_CTL

VCHS

VCXO_EN

7. CIRCUIT DIAGRAM

LGE Internal Use Only

Copyright © 2007 LG Electronics. Inc.  All right reserved. 

Only for training and service purposes

Summary of Contents for ME820

Page 1: ...Date March 2007 Issue 1 0 Service Manual Model ME820 Service Manual ME820 Internal Use Only ...

Page 2: ..._D0 C15 AFC N16 AGND R13 BB_I BB_IX R14 BB_Q P15 BB_QX N15 J16 CC_CLK CC_IO L18 CC_RST M19 CIF_D0 E11 CIF_D1 B11 C10 CIF_D2 C109 U102 PMB8876 1u 2V72_IO R105 NA C111 0 01u C108 0 1u 0 1u C126 C116 1u R118 R114 10K 100K CTS 12 DSR 10 GND 1 NC1 4 7 NC2 NC3 8 9 NC4 5 ON_SW 11 RTS RX 2 3 TX VBAT 6 2V85_SIM UART1 220n C131 R103 4 7 1V5_CORE VSUPPLY TP115 1V8_MEM 0 1u C120 1u C119 C115 0 1u C125 0 1u R1...

Page 3: ... NC1 5 7 NC2 2 NO1 10 NO2 1 VCC R229 100K U211 NLAS5223BMNR2G COM1 3 COM2 9 2 2u C221 VBAT C233 1u C212 2 2u C236 0 1u VBAT R204 47mohm 2V85_SIM 100p C241 20 VRF1 40 VRF2 38 37 VRF3 VRFC 3 VRTC 42 18 VSIM1 19 VSIM2 27 VSSAU 8 VSSFB 7 VSSPW VSSR 33 VUPU 10 VUSB 11 2V65_BT 2 12 VBUS VCHC 44 1 VCHS 36 VCXOEN VDDA 35 VDDAU 30 VDDB 17 VDDC 46 VDDCH 43 VDDPW 5 39 VDDRF VIB 13 VINT 21 45 VLBB1 47 VLBB2 V...

Page 4: ...A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 1V5_CORE 100K R322 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 R325 0 ICVE10184E150R101FR FL304 5 G1 10 G2 1 INOUT_A1 2 INOUT_A2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 G1 5 10 G2 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 FL306 ICVE10184E150R101FR G1 5 10 G2 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT...

Page 5: ...ND2 GND3 40 41 GND4 RX1 29 30 RX1X RX2 27 28 RX2X 24 RX3 RX3X 25 22 RX4 U402 1 A AX 2 3 B BX 4 7 CLK DA 6 EN 16 C409 100p PMB6272 C424 0 1u 100p PCS_RX 12 6 TX1G 8 TX2G 22 VCTRL1 VCTRL2 21 VCTRL3 20 VDD 3 VSUPPLY C403 17 EGSM_RX EGSM_RX 16 GMS_RX 18 GND1 2 GND10 25 26 GND11 GND2 4 5 GND3 GND4 7 9 GND5 GND6 10 GND7 11 23 GND8 24 GND9 19 GSM_RX 13 PCS_RX YGHF S006A FL308 1 ANT 15 DCS_RX DCS_RX 14 C4...

Page 6: ...COMMON DAT0_DO DAT1_RSV DAT2_RSV DETECT 8 9 101 S100 SCHA1B0102 13 14 15 16 17 18 19 2 20 21 22 3 4 5 6 7 CN100 1 10 11 12 109 L111 100nH C143 1uF C148 1u CLEAR R160 47 NA C134 ZD2 TP105 10K R150 47K R108 C118 0 1u VCHG 102 104 100p R180 100K C128 2 2u C130 C129 10u C109 100p 4 IN2 8 5 NC1 NC2 7 NO1 2 NO2 10 VCC 1 NLAS5223BMNR2G U106 3 COM1 9 COM2 GND 6 IN1 LD102 27p C126 108 C151 27p 100nH L108 1...

Page 7: ...3 CN5 1 2 TXD_0 CN4 SW1 1 2 3 4 V_DOWN V_UP MP3 RPWRON 2V8_CAM_IO 2V8_AF 43 44 45 46 47 48 49 5 50 6 7 8 9 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 CN1 51 52 53 54 1 10 11 12 13 LD400 2V8_AF VBAT END RTS_0 CIF_D 0 CIF_D 1 CIF_D 2 CIF_D 3 CIF_D 4 CIF_D 5 CIF_D 6 CIF_D 7 SPK_RCV_N SPK_RCV_P CIF_PD CIF_D 0 7 RTS_0 CIF_MCLK CIF_VS CIF_HS SCL SDA CIF_...

Page 8: ... 125 8 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 9: ... 126 8 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 10: ... 127 8 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 11: ... 128 8 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

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