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