Acer 4020 manual Block Diagram, 5V / 3.3V

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Page 13

Block Diagram

5V / 3.3V / 12V

Page : 35

1.8V / 0.9V

Page : 36

5VPCU

3V_ALWAYS

+12V

+5V

3V_S5

3VSUS

5VSUS

2.5VSUS

+2.5V

+1.8V

MVREF_DM

SMDDR_VTERM

1.5V_S5

CLOCK GEN ICS ICS954201

Page : 2

DDR2-SODIMM1

Page:9~10

DDR2-SODIMM2

Page:9~10

			Centrino			CRANE2 ( ZL3 )
			DOTHAN
			CELEROM-M
		INTEL Mobile_479 CPU Page : 3 , 4								EXT_LVDS
							PCIE	ATI
				HOST BUS 533MHz			PCIE	M26P/M24P		EXT_CRT
								64M /
										EXT_TV-OUT
				HOST BUS 400MHz						EXT_TV-OUT
								128M
	400/533MHZ DDR2		ALVISO				LVDS	Page : 11 ~ 14		INT_LVDS
			ALVISO
			1257 BGA
			1257 BGA				RGB			INT_CRT

	400/533MHZ DDR2
							TVOUT			INT_TV-OUT
							TVOUT			INT_TV-OUT
			Page : 5 ~ 8

SWITCH CIRCUIT

CRT

Page:17

LVDS

Page:16

TV-OUT

Page:16

1.5V / 1.05V / 1.8V

Page : 37

CPU CORE

Page : 34

+1.2V

Page : 38

BATTERY

CHARGER

Page : 39

BATTERY

SELECT

Page : 40

+1.5V

AGP_VCC (+1.5V)

1.2VCCT

VTT

VCC_CORE

VGA_CORE

2.5V_VGA

SATA - HDD

Page:21

IDE - HDD

Page:21

IDE-ODD				SATA
Page:21
Page:21			ATA 66/100

MEDIA BAY
Page:21			AC97

AUDIO CODEC

CONEXANT

20468-31

Page:27

AMP

MODEM

CONEXANT

MAX9755

20493-21

Page:28

Page:27

DVI

CH7307

Page:15

DMI I/F

PCIE

ICH6-M

NEW CARD

609 BGA

PCI BUS

Page : 32

Page : 18 ~ 20

USB 2.0

LPC

NS

NS

KBC(97551)

SIO (87383)

Page : 29

Page : 31

TI

PCMCIA+1394

+3 IN 1

PCI7411

Page: 23

MINI-PCI

Wireless LAN

Modem/LAN

Page : 22

BROADCOM 10/100/1G LAN

4401 / 5705M

Page:25

DOCKING/DVI

Page: 33

			3 IN 1
			Page: 24
			Page: 24


			PCMCIA
			Page: 24


			1394
			1394
			Page: 23


	BOTHHAND			RJ45
	TRANSFORMER			RJ45
	TRANSFORMER			Page:26
				Page:26
	Page:26
	Page:26

MIC IN

Page:27

LINE

SPEKER

LINE

RJ11

DOCKING

Touchpad

Keyboard

IrDA

DOCKING

DOCKING

IN

OUT

PS2

Print Port

COM Port

Page:27

Page:28

Page:28

Page:27

Page:33

Page:30

Page:30

Page:31

Page:33

Page:33

PCI ROUTING TABLE			IDSEL	INTERUPT	DEVICE
REQ0# / GNT0#			AD24	INTA#	BROADCOM LAN
REQ2#	/	GNT2#	AD19	INTB# , INTD#	MINI-PCI
REQ1#	/	GNT1#	AD17	INTC#,INTD#,INTA#	TI 7411

SYSTEM 3 USB PORT

Page : 22

USB2,3,5

DOCKING 2 USB PORT

Page : 22

USB0,1

MINI-USB

Page: 22

USB4

REV.C

Chapter 1

7

Image 13

Contents Acer TravelMate 4020 Series Revision History Disclaimer CopyrightScreen Messages ConventionsPreface Page Chapter FeaturesStorage Battery Top View Mainboard PlacementRear View Description 5V / 3.3V Block DiagramOpen View Outlook ViewDescription Icon Description Front PanelLeft View Right View Power jack Connects to an AC adapter External display port Bottom View Indicators Easy-launch buttons Touchpad Basics TouchpadLock keys and embedded numeric keypad Using the KeyboardLock Key Description Desired action Num Lock on Num Lock offKey Description Hot KeysHot Key Function Description Special KeysUS dollar sign Euro symbolAcer eManager Using System UtilitiesLaunch Manager Processor Specification Hardware Specifications and ConfigurationsSystem Board Major Chips L2 CacheLAN Interface Specification System Memory SpecificationModem/Bluetooth Interface Specification USB Port SpecificationKeyboard Specification Pcmcia Port SpecificationPackage configuration Battery SpecificationLCD 15.4 Wxga Specification Mechanical SpecificationsMechanical Specification SpecificationsAC Adapter Specification Input RequirementsOutput Ratings CC mode Output Ratings CV modeDynamic Output Characteristics Power Management Acpi ModeLogical Configuration Dimensions and Weight DetailsEnvironmental Requirements Data Storage PhysicalToshiba Physical & Environmental Specs Dimensions/Weight Nominal Power RequirementsAmbient Temperature Reliability Characteristics Error RatesPreventive Maintenance System Utilities Bios Setup UtilityParameter Description InformationUuid Main Advanced Security Boot ExitF12 Boot Menu Advanced Security Boot ExitParameter Description Option SecurityDisabled Set Supervisor/User PasswordCharacters 0-9,A-Z not case sensitive EnterSetup Notice Changes have been saved Continue Exit BootExit Info Main Advanced Security BootChapter Machine Disassembly and Replacement Before You Begin General InformationChapter Disassembly Procedure Flowchart Description Screw ListRemoving the Battery Pack Removing the HDD Module Removing the Memory and the Wireless LAN CardRemoving the Thermal Module and CPU Removing the ODD Module Removing the LCD Module Disassembling the Main Unit Disassembling the Upper Case Assembly Disassembling the Lower Case Assembly Chapter Disassembling the LCD Module Chapter Disassembling the Optical Drive Module Disassembling the External ModulesChapter Troubleshooting External Diskette Drive Check System Check ProceduresExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device CheckMemory check Power System CheckTouchpad Check Power-on Self-Test Error Messages Error Code List Index of Error MessagesError Message List CPU ID No beep Error Messages FRU/Action in Sequence Code Beeps Post Routine Description Phoenix Bios Beep CodesCode Beeps Post Routine Description Chapter Code Beeps Post Routine Description LCD-Related Symptoms Index of Symptom-to-FRU Error MessageIndicator-Related Symptoms Power-Related SymptomsMemory-Related Symptoms PCMCIA-Related SymptomsSpeaker-Related Symptoms Power Management-Related SymptomsKeyboard/Touchpad-Related Symptoms Peripheral-Related SymptomsModem-Related Symptoms Intermittent Problems Dimm Undetermined ProblemsChapter Top View Jumper and Connector LocationsRear View VGA RAM RTC Jumper FRU Field Replaceable Unit List Exploded Diagram Illustration Part Name Description Acer P/N Touch PAD Board ZL1A Touch PAD Lower Case W ZL3A Base Assy W/O DVD/CDRW Combo ZI6 Combo SBW-242C DVD Dual Drive ZL6 DVD Rwdual ZL1A K/B EUGO-U/I LCD Cable 15 ZL1A 15 LCD Cabel LCD Module 15 ZL1 15 LCD SXGA+ LCD Module 15.4 ZL1A 15.4 LCD Wxga Samsung LTN154X3 Samsung Panel UMA W/PCMCIA Slot CPU Memory Memory DDR333 Name Plate ZL3A Name Plate S Screw M2.5*4L-BZN ET2S Screw 100 Chapter