Acer Aspire 4820T Service Guide
 Revision History
 Copyright
III
 Conventions
 Preface
Page
 System Specifications
 Troubleshooting
 FRU Field Replaceable Unit List
Page
 Table of Contents
 Troubleshooting 103
 Acer TBD Series
Microsoft Windows 7 Environment Test
 Table of Contents
 Features
Chapter
 Mini Card
Audio
Storage
Optical Drive
 Dimensions and weight
Power subsystem
Privacy control
Special keys and controls
 Optional Items
 Warranty
Environment
 System Block Diagram
Intel
 Your Acer Notebook tour
Front View
Icon Description
 HDD
 Closed Front View
Left View
Hdmi
 Right View
 Indicators
Bottom View
Icon Function Description
 HDD
 TouchPad Basics
Function Left Button Right Button Main TouchPad
 Using the Keyboard
Lock Keys and embedded numeric keypad
Lock key Description
 Windows Keys
Key Description
 Hot Keys
Hotkey Icon Function Description
 Hardware Specifications and Configurations
Bios
CPU
 System Memory Specification
Wireless Module Specification Manufacturer Intel WiFi Link
4GB
Memory Combinations Slot Total Memory
 LAN Module Specification
Bluetooth Specification
 Hard Disk Drive Interface Specification
Super-Multi Drive Module
 Audio Interface Specification
 Power and Keyboard Controller Specification
Battery Specification Cell
SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A
LCD
 Card Reader Specification
 Chapter
 Bios Setup Utility
Navigating the Bios Utility
 Aspire 4820T Bios
Information
Parameter Description
Uuid
 Main
Parameter Description Format/Option
 Disabled or
Security
Parameter Description Option
Clear or Set
 Setting a Password
Removing a Password
 Changing a Password
Continue
 Boot
USB Cdrom
 Exit
Cmos
 Bios Flash Utilities
 DOS Flash Utility
USB HDD
Page
 WinFlash Utility
 Remove HDD/BIOS Password Utilities
Remove HDD Password
 Removing Bios Passwords
Cleaning Bios Passwords
 Using Boot Sequence Selector
 Using DMITools
Input
Output
Input dmitools /wu
 Using the LAN MAC Eeprom Utility
 Chapter
 Machine Disassembly and Replacement
Disassembly Requirements
 Pre-disassembly Instructions
Disassembly Process
General Information
Main Screw List Quantity Part Number
 External Module Disassembly Process
External Modules Disassembly Flowchart
Screw List Step Quantity
 Removing the Battery Pack
 Removing the SD dummy card
 Removing the SIM card
 Removing the Lower Cover
 Removing the Optical Drive Module
Step Size Quantity Screw Type ODD Module M2.5*4L
 Step Size Quantity Screw Type ODD Bracket M2.0*3L
 Removing the Dimm Modules
 Removing the Wlan Module
Step Size Quantity Screw Type Wlan Board M2.0*3
 Removing the Hard Disk Drive Module
Step Size Quantity Screw Type HDD Carrier M3.0*4L
 Main Unit Disassembly Process
Main Unit Disassembly Flowchart
 Removing the Keyboard
Step Size Quantity Screw Type
Page
 Removing the Upper Cover
Page
 Remove the eight 8 screws from the top cover
 Removing the Power Switch Board
 Removing the Function Board
Step Size Quantity Screw Type Function Board M2.0*3widehead
 Removing the Left Speaker Module
Step Size Quantity Screw Type Speaker Module M2.5*4L
 Removing the USB Board
Step Size Quantity Screw Type USB Board M2.5*4L
 Lift the USB Board upward away from the chassis Chapter
 Removing the 3G Module
Step Size Quantity Screw Type 3G Module M2.5*4L
 Removing the Bluetooth Module
Step Size Quantity Screw Type Bluetooth Board M2.3*3L
 Removing the LCD Module
 Step Size Quantity Screw Type LCD Module M2.5*6.5
 Removing the Mainboard
 Step Size Quantity Screw Type Mainboard M2.5*4L
 Removing the Thermal Module
 Removing the CPU
 Removing the RTC Battery
Removing the WiFi Antenna Cable
 Removing the Right Speaker
 Removing the DC-In Cable
Step Size Quantity Screw Type DC-In Cable M2.5*4
 LCD Module Disassembly Process
LCD Module Disassembly Flowchart
 Removing the LCD Bezel
Step Size Quantity Screw Type LCD Bezel M2.5*4
 Removing the Camera Module
 Removing the LCD Panel
Step Size Quantity Screw Type LCD Panel M2.3*3
 Removing the FPC Cable
 Removing the Microphone Module
Removing the Hinges
Step Size Quantity Screw Type LCD Hinges M2.5*3
 Removing the Antennas
 Chapter
 LCD Module Reassembly Procedure
Replacing the MIC and WiFi Antennas
 Replacing the Microphone Module
 Replacing the FPC Cable
Replacing the LCD Panel
 Replacing the Webcam
 Replacing the LCD Bezel
 Replace the two screws and screw caps as shown
 Main Module Reassembly Procedure
Replacing the DC-In Cable
 Replacing the LCD Module
Replacing the Right Speaker
 Replacing the RTC Battery
 Replacing the CPU
Replacing the Thermal Module
Page
 Replacing the Mainboard
 Replacing the Bluetooth Module
 Replacing the 3G Module
 Replacing the USB Board
 Replacing the Left Speaker Module
 Replacing the Switch Board
Replacing the Function Board
 Replacing the Upper Cover
Page
 104 Chapter
 Replacing the Keyboard
Replacing the Hard Disk Drive Module
 106 Chapter
 Replacing the Wlan Board
Replacing the Dimm Modules
Insert the Wlan board into the Wlan socket
 Replacing the ODD Module
 Replacing the Lower Covers
 Replacing the Dummy Card
Replacing the SIM card
 Replacing the Battery Pack
 112 Chapter
 Common Problems
Symptoms Verified Go To
 Power On Issue
Computer Shutsdown Intermittently
 No Display Issue
No Post or Video
 Random Loss of Bios Settings
Abnormal Video Display
 LCD Failure
Built-In Keyboard Failure
 TouchPad Failure
Internal Speaker Failure
 Sound Problems
Microphone Problems
Select Set up microphone
 HDD Not Operating Correctly
Select Repair your computer
Select Startup Repair
 ODD Failure
ODD Not Operating Correctly
 Discs Do Not Play
 Drive Not Detected
 Wireless Function Failure
Thermal Unit Failure
 External Mouse Failure
Other Failures
 Intermittent Problems
Undetermined Problems
Dimm
 Post Code Range Phase
Post Codes
 Peimemoryinstall PEI
Peiswitchstack PEI
Peienterrecoverymode PEI
Peirecoverymediafound PEI
 Bdsinstallhotkey BDS
Bdsbeforepciioinstall BDS
Dxesmmcontrolerinit DXE
Dxelegacyinterrupt DXE
 Bdsenumerateallbootoption BDS
Bdsendofbootselection BDS
Bdsentersetup BDS
Bdsenterbootmanager BDS
 Functionality Name Include\ PostCode.h Phase Description
 132 Chapter
 Top View
Description Desciption
 Mini Card Wlan PJ2 Power Jack
LAN
RTC
FAN Conn
 Clearing Password Check and Bios Recovery
Clearing Password Check
Steps for Clearing Bios Password Check
Description Location G1 / G2 Clear Cmos Jumpers WiFi Bay
 Bios Recovery by Crisis Disk
Bios Recovery Boot Block
Bios Recovery Hotkey
Steps for Bios Recovery from USB Storage
 FRU Field Replaceable Unit List
 Acer Aspire 4820T Exploded Diagrams
LCD Assembly
Description Acer P/N
 Chassis Assembly
 HDD-BKT
ZQ1 ZR6FBZR6004,REV MBSG,PARK,SAM,BT WO Cpuassy
Wwan Minicard BEVT-22A23T0 STN
BSQ
 Acer Aspire 4820T FRU List
Category Part Name Description Acer Part Number
 SIM Board
 26G SLBPNPGAS.P
 MK2565GSX-EUL S.P Sata 8MB LF F/WGJ001J
 Keyboard
 ZQ1 K/BUI S.P
 CABLE,ANTENNA*3, Hinge CAP
 Mainboard Mainboard UMA HM55 W/CARD ZQ1B MB
 Heatsink Thermal Module for 35W UMA ZQ1 Thermal Module
 Screw List
Category Partname Description Acer Part Number
 Chapter 151
 Appendix a
Acer Aspire 4820T Series
Country Acer Description
 Luxembour
 Denmark
 LX.PSE AAP
S2.PSE
 AS4820TG-432G64Mn W7HP64ATTW1 MC
 AS4820TG-436G64Mn EM W7HP64EMATZA1 MC
 AS4820TG-436G64Mn W7HP64ATLV1 MC
 AS4820TG-436G64Mn W7HP64ATFR1 MC
 AS4820TG-434G64Mn W7HP64ATDE1 MC
 AS4820TG-434G64Mn W7HP64ATEU7 MC
 LX.PVL AAP
S2.PVL
LX.PSG AAP
LX.PSG Emea
 AS4820TG-433G32Mn EM W7HP64EMATTR1 MC
 AS4820TG-433G32Mn W7HP64ATBE1 MC
 AS4820TG-433G32Mn W7HP64ATES1 MC
 Gctwn LX.PSG TWN
 02.034 PARKXT512Cks3V3 2*2G/500L/BT/6L3.0/5R Cbbgn1.3CALIT41
 02.030 PARKXT512Cks3V3 2*2G/500L/BT/6L3.0/5R Cbbgn1.3CALLT11
 S2.PSG
S2.PVM
LX.PSN AAP
LX.PSN
 LX.PSN China
LX.PSN Emea
 AS4820T-333G32Mn W7HP64ATNL1 MC UMACks3 2G+1G
 AS4820T-333G32Mn W7HP64ATFR1 MC UMACks3 2G+1G
 02.041 2G/320/BT/6L3.0/5R/cbbgn1.3CALAR11 South Africa
 Model Country Acer BOM Name
VGA Chip
Vram
 Gctwn LX.PSE AS4820TGMADISO
 434G50Mn 02.147
 S2.PSE AS4820TGMADISO
 434G50Mn 02.099
 436G64Mn 02.073
 434G64Mn 02.049
 LX.PVL AS4820TGMADISO
 S2.PVL AS4820TGMADISO
LX.PS AS4820TGPARKX
Parkxt
DDR3
 433G32Mn G02.10 T512Cks3V3
 433G32Mn Europe G02.09 T512Cks3V3
 Gctwn LX.PS AS4820TGPARKX
 332G32Mn G0C.00 T512Cks3V3
 434G50Mn Africa G02.04 T512Cks3V3
 434G50Mn G02.02 T512Cks3V3
 S2.PS AS4820TGPARKX
S2.PV AS4820TGPARKX
UMA
Acla LX.PS
 354G32Mn Portuguese N02.10 AS4820T China
 AS4820T Middle East
 AS4820T Baltic
 AS4820T Malaysia
 AS4820T Algeria
 AS4820T Holland
 S2.PS
Model Country Acer Part No Memory
HDD 1GB
SO2GBIII10
 AS4820TG Middle East LX.PSE02.166
 SO4GBIII10 SO2GBIII10
 SO2GBIII10 SO1GBIII10
SO4GBIII10
 AS4820TG Middle East LX.PSE02.090
 AS4820TG Eastern LX.PSE02.064
 AS4820TG Germany LX.PSE02.039
 AS4820TG Eastern LX.PSE02.013
 AS4820TG South Africa LX.PSG02.117
 AS4820TG Eastern LX.PSG02.091
 AS4820TG Thailand LX.PSG02.068
 AS4820TG Middle East LX.PSG02.045
 Acla
 AS4820T China LX.PSN0C.005
 AS4820T Latvia LX.PSN02.081
 AS4820T Malaysia LX.PSN02.059
 AS4820T Luxembour LX.PSN02.035
 AS4820T Eastern LX.PSN02.010
 Appendix a 212
 Test Compatible Components
Appendix B
 Microsoft Windows 7 Environment Test
Vendor Description
UNDP-1
Cover
 Adapter
Delta
DB A, LV5 LED LF
65JH DB A, LV5 LED LF
 Hipro
LITE-ON
34AR, LV5 LED LF
 Audio Codec
ALC271X
 Battery
Panaso
NIC
IDAS10B5E
 Samsun
Sanyo
 Simplo
 Bluetooth
Camera
 222
 Card Reader
 Intel
 Vendor Description
 CPU Intel Core i7 620M PGA 2.66G KC.62001.DM
 HDD
 N320GB5.4
 Vendor Description
 230
 Seagat
 232
 Toshiba
MK3265GSX Sata 8MB LF F/WGJ002J
 HDD Toshiba 2.5 5400rpm 500GB
 22A23T0,ML320S,WD Sata 8MB LF F/W01.01A01 Appendix B 235
 N500GB5.4 HDD WD 2.5 5400rpm 500GB WD5000BEVT
 22A23T0,ML320S,WD Sata 8MB LF F/W01.01A01 Appendix B 237
 Keyboard
AC4TA10B Acer
LAN
NLED14WX AUO
 NLED14WX CMO
NLED14WX LPL
 NLED14WX Samsun
MEM
SO1GBIII10 Elpida
SO2GBIII10 Elpida
 SO1GBIII10 Hynix
SO2GBIII10 Hynix
 SO4GBIII10 None
 SO1GBIII10 Samsun
SO2GBIII10 Samsun
 Modem
 NB Chipset
ODD
NSM8XS9.5 Hlds
NSM8XS9.5 Panaso
 NSM8XS9.5 Toshiba
 SB Chipset
Software
 WiFi Antenna
VGA Chip
Madison AMD
Parkxt AMD
 Wireless LAN
BGN
 INT6300H
 Online Support Information
Appendix C
 216
 Index
 218