LG Electronics LW20 service manual Diagram, System, Information

Page 16

CPU CORE VCC

page45

V1.2S / V1.5A

page

WIND RIVER

CK-410M

page20

DOTHAN(NV)

 

THERMAL

 

FAN CONN

CPU_CORE

 

SENSOR

 

5V

 

 

 

 

 

 

3.3V

 

 

 

 

page 5

 

page 5

„ System Block

GMCH_CORE

VCCP

page47

DDR2 DC/DC

page46

SYSTEM DC/DC

5V/3.3V page48

BATTERY CHARGER

page44

CK-SSCD

page20

DDR2

SODIMM-0 /1

DDR2 400/533 MHz

DDR2

 

1.8V

 

page13-15

 

page 2 - 4

VCCP

 

 

FSB 533MHz

 

 

 

 

VCCP

TV/CRT/LVDS

ALVISO-GM

GMCH_CORE (1.05V)

page 6-12

LCD CONN

3.3V page18

CRT CONN

5V page19

S-VIDEO CONN

3.3V page09

LEDs

Wireless

HDD

CAPS LOCK

NUM LOCK

PWR ON

CHG

ACIN

Diagram

Ch3

15

Miscellaneous

page42

Power rail & Battery Conn.

page44

HP/SPDIF

AMP

SUB BD

5V

 

SUB BD

 

 

 

MIC

 

SUB BD

AC’97 / AZALIA

ANALOGVCC(5V)

AUDIO

DIGITAL(3.3V)

CODEC

 

ALC880

 

SUB BD

DMI

SUB BOARD

 

 

SATA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ICH6-M

PATA 66/100

 

 

 

 

 

 

 

 

 

 

 

SUB BOARD

SATA TO PATA

 

 

HDD

3V

page27

 

3V

page28

 

 

 

 

 

 

 

BAY CONN.

 

 

 

 

5V

page28

 

 

 

 

 

 

 

 

 

 

. System

RJ45/RJ11

page31

EEPROM

3.3V

page30

 

 

1.0V

Magnetic 1.8V

page31 3.3V

1.5V

3.3V

MDC MODEM

5V page37

88E8052

10/100

PORT 1

88E8036

GbE

page30

 

NEWCARD

PORT 3

 

SUB B/D

 

PCI EXPRESS

SUB BOARD

FWH

SST49LF008A

 

 

 

 

 

 

 

PIRQC/D

 

 

 

 

 

 

PCI 3.3V,33MHz

 

PCIREQ/GNT3

MINI PCI CONN

 

 

 

 

 

 

 

 

 

3.3V

AD18

page33

 

page21-26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PIRQA,SERIRQ

 

 

 

 

 

 

 

 

 

 

PCI7411

 

 

 

 

 

 

 

PCIREQ/GNT0

 

 

 

 

 

 

 

 

 

3.3V

AD16

page34-36

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LPC 3.3V, 33MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USB0/1

USB0/1

 

 

 

 

 

 

 

 

USB Interface

SUB B/D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USB2

USB2

 

 

 

 

 

 

 

 

 

 

 

page29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USB3

USB3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

page27

 

 

 

 

 

H8S2110B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USB5

USB5

 

 

 

 

 

 

 

 

 

 

 

SUB B/D

 

 

SUB BOARD

page38

NEWCARD

3.3V

5V

1394 PORT

4 IN 1

information

3.3V

SUB B/D

 

 

USB6

3.3v

page39

INT. KBD

 

 

page45

 

 

USB7

 

 

POWER S/W

TOUCH PAD

VOLUME S/W

 

SUB BD

SUB BD page40

USB6

page28

USB7

page28

USB0

USB5

SUB B/D

SUB BOARD

Page 15 Page 17
Image 16
Page 15 Page 17
Contents LW20 LG Electronics Page Before replacing parts Ch1. Service information„ Strategy for replacing a hard-disk drive Ch1. Service information Safety notices Ch1. Service information Safety information „ General safety Ch1. Service information „ Electrical safety Ch1. Service information Ch1. Service information „ Safety inspection guide „ Grounding requirements Ch1. Service information Laser compliance statement Backup Standby RTC battery safety information„ What to do first Ch1. Service information Read this firstImportant Notes Followings are not covered under warranty Ch2. Locations „ Front view„ Rear view Security key hole Kensington Lock„ Right view Ch2. Locations „ Left viewEmergency eject hole „ Specification Ch3. System informationSystem DiagramInformation Ch3. System information „ Fn key combinations Location with Fn + F7 combinationCh3. System information „ Status indicators Ch3. System information „ Bios Flash Ch3. System information „ Bios Setup Ch3. System information „ Using the keys Ch3. System information „ Main menu Ch3. System information „ Advanced menu „ Security menuCh3. System information „ Boot menu „ Exit menuCh4. Symptom-to-part index „ Power system checkoutPin Voltage V dc +18.0 ~ +19.2 Ground Ch4. Symptom-to-part index Ch4. Symptom-to-part index + 4 3 2 Ch4. Symptom-to-part index „ Numeric error codes Symptom / Error FRU or action, in sequenceDMA test failed System board 02F6 02F7 Ch4. Symptom-to-part index „ Error message Ch4. Symptom-to-part index „ LCD-related symptoms Ch4. Symptom-to-part index „ Indeterminate problems Removing and replacing a part FRU Ch5. Removing and replacing a partCh5. Removing and replacing a part Battery Pack Ch5. Removing and replacing a part Hard Disk Drive Ch5. Removing and replacing a part Optical Disk Drive Ch5. Removing and replacing a part Retainer Disconnect Retainer Connector Remove Retainer Ch5. Removing and replacing a part Keyboard Remove Keyboard Ch5. Removing and replacing a part Display Module Ch5. Removing and replacing a part Key Deck Disconnect Touchpad Connector Remove Key Deck Ch5. Removing and replacing a part Sub B/D Ch5. Removing and replacing a part Speaker Ch5. Removing and replacing a part Fan Assembly Ch5. Removing and replacing a part Main Board Ch5. Removing and replacing a part 1SZZBA4101A Ch5. Removing and replacing a part 1SZZBA4104A Remove 4 Screws FRU No Specification Qty Remove Inverter Disconnect LED Sub Board Connector 1SZZBA4041A D3.5 X L3.0 Ch5. Removing and replacing a part D3.5 X L3.0 Disconnect LCD Cable Part lists Ch6. Part listsNPLT2 NNOB2 NCAB5 Korea Windriver Sunrex 84KEY Silver NKBD2 Norway Silver Windriver Sunrex NKBD2 LW20 LW20 1SZZBA4017F 1SZZBA4097B Plate Windriver HDD Korea Windriver Sunrex 84KEY KBD Assembly Korea Windriver Sunrex 84KEY Silver KBD Assembly 1SZZBA4097B 1SZZBA4080A NCAB3 NFAN2 Plate Windriver ODD BAY NFRM1 LW20 RH80536GE0462M LG Intel 478P Ufcpga IC,MICRO NSHT3 Windriver Rubber Display Front Upper Cushion Windriver 6.5 KGF-CM Hinge Left Latchless LW20 Hitachi Wireless L Windriver Antenna NANT2 Windriver SUS LCD Left 0.5T 12.1INCH Bracket
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