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Acer
D255
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Models:
D255
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272 pages
63.45 Kb
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Specs
System Block Diagram
Bluetooth
Password
Euro symbol
Wireless and networking
Dimension
Common Problems
Bios Setup Utility
Jumper and Connector Locations
Page 133
Image 133
2.
Push the battery lock latch in the direction shown to secure the battery.
Chapter 3
123
Page 132
Page 134
Page 133
Image 133
Page 132
Page 134
Contents
Aspire One D255 Series Service Guide
Revision History
Copyright
Conventions
Preface
Page
Table of Contents
125
Aspire D255
Jumper and Connector Locations 147
Table of Contents
Chapter
Features
Color options
Wireless and networking
Display
Storage subsystem
Power adapter and battery
Dimensions and weight
Privacy control
Input and control
Eco compliance
Software
DDR2
System Block Diagram
DDR3
Top View
Your Notebook Tour
Component Icon Description
Battery indicator
Component Icon Description Power indicator
Closed Front View
Rear View
Right View
Bottom View
Function Left Button Right Button Main TouchPad
Touchpad Basics
Lock Keys and Embedded Numeric Keypad
Using the Keyboard
Key Description
Windows Keys
Hotkey Icon Function Description
Hot Keys
Euro symbol
Using the communication key
Special Key
US dollar sign
Processor Specification
Hardware Specifications and Configurations
Processor Specifications
Cores Bus Mfg Cache Package Acer P/N Speed
System Memory DDR2 Specification
For N550 OS mode CPU Temperature Fan Speed RPM SPL Spec dBA
System Memory DDR3 Specification
Bios
Video Interface Specification
Wireless Module 802.11b/g/Draft-N Specification
LAN Interface Specification
Battery Specification
Bluetooth Interface Specification
Hard Disk Drive Interface Specification
Super-Multi Drive Module Not available with this module
LCD Inverter not present on this model
LCD Specification
Keyboard Controller Specification
LCD Display Supported Resolution Bits
Camera Specifications
USB Port Specification
3G Module Specification
Audio Subsystem Specification
Hdmi Port Not available on this model
System Board Major Chips Specification
Ports Specification
AC Adapter Specification
Card Reader Specification
Power Specification Legacy Acpi Mode Power Management
System LED Indicator Specification
Chapter
Navigating the Bios Utility
Bios Setup Utility
Parameter Description
Information
Parameter Description Format/Option
Main
Security
Disabled
Parameter Description Option
Clear or Set
Removing a Password
Setting a Password
Continue
Changing a Password
USB Cdrom
Boot
Exit Saving Changes
Exit
Bios Flash Utility
DOS Flash Utility
Page
WinFlash Utility
Removing HDD Password
Remove HDD/BIOS Password Utilities
Password
UnlockHD
Cleaning Bios Passwords
Removing Bios Passwords
Using DMITools
Using Boot Sequence Selector
Miscellaneous Utilities
Example 1 Read DMI Information from Memory
Using the LAN MAC Utility
Execute MAC.BAT to write MAC information to eeprom Chapter
Creating a USB Flash Crisis Disk
Using the crisis disk
Disassembly Requirements
Machine Disassembly and Replacement
Disassembly Process
Pre-disassembly Instructions
General Information
Main Screw List Quantity Part Number
External Modules Disassembly Flowchart
External Module Disassembly Process
Screw List Step Quantity
Removing the Battery Pack
Removing the SD Dummy Card
Removing the 3G Card
Removing the Keyboard
Unlock the FPC Remove the FPC and the keyboard
Step Size Quantity Screw Type Lower Door M2*7
Removing the Lower Door
Removing the Dimm Module
Step Size Quantity Screw Type HDD Module M2*3
Removing the HDD Module
Step Size Quantity Screw Type HDD Carrier M3*3 Ni
Step Size Quantity Screw Type 3G Module M2*3
Removing the 3G Module
Removing the Wlan Module
Step Size Quantity Screw Type Wlan Module M2*3
Main Unit Disassembly Flowchart
Main Unit Disassembly Process
Removing the Upper Cover
Step Size Quantity Screw Type Lower Cover M2*5
Step Size Quantity Screw Type Upper Cover M2*7
Page
Chapter
Removing the Button Board
Step Size Quantity Screw Type Button Board M2*3 t=0.04
Step Size Quantity Screw Type LED Board M2*3
Removing the LED Board
Removing the Bluetooth Module
Removing the RTC Battery
Removing the Speaker Module
Step Size Quantity Screw Type Speakers M2*3
Removing the Mainboard
Page
Step Size Quantity Screw Type Mainboard M2*3
Page
Step Size Quantity Screw Type Thermal Module M2*3
Removing the Thermal Module
Chapter
Removing the LCD Module
Step Size Quantity Screw Type LCD Module M2*4 Ni
Remove the LCD module from the chassis
LCD Module Disassembly Flowchart
LCD Module Disassembly Process
Step Size Quantity Screw Type LCD Bezel M2*4 Ni
Removing the LCD Bezel
Removing the Camera Module
Step Size Quantity Screw Type LCD Panel M2*3t=0.04
Removing the LCD Panel
Page
Chapter
Removing the Microphone Module
Step Size Quantity Screw Type
Removing the LCD Brackets
Removing the 3G and Wlan Antennas
Chapter
Replacing the 3G and Wlan Antennas
LCD Module Reassembly Procedure
Chapter
Replacing the LCD Brackets
Replacing Microphone Module
Replacing the Lvds Cable
Step Size Quantity Screw Type LCD Panel M2*3 t=0.04
Replacing the LCD Bezel
Replacing the CCD Module
Step Size Quantity Screw Type LCD Bezel M2*4 Ni
Replacing the LCD Module
Main Module Reassembly Procedure
100 Chapter
Page
Replacing the Thermal Module
Replacing the Mainboard
Replace the two 2 screws to secure the mainboard
Page
106 Chapter
Replacing the Speakers
Replacing the Bluetooth Module
Replacing the RTC Battery
Replacing the LED Board
Replacing the Button Board
Page
Replacing the Upper Cover
Secure the upper cover to the chassis using seven 7 screws
114 Chapter
Replacing the Wlan Module
Replacing the 3G Module
Step Size Quantity Screw Type HDD Module M3*3 Ni
Replacing the HDD Module
118 Chapter
Replacing the Lower Cover
Replacing the Dimm Module
Replacing the Keyboard
Replacing the 3G Card
Replacing the SD Dummy Card
Replacing the Battery
Page
124 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
Touch Pad Failure
Sound Problems
Select Set up microphone
Microphone Problems
Internal Microphone Failure
Select Repair your computer
HDD Not Operating Correctly
Select Startup Repair
USB Failure
Wireless Function Failure
3G Function Failure
Cosmetic Failure
External Mouse Failure
Thermal Unit Failure
Other Failures
Undetermined Problems
Intermittent Problems
Sec
Post Codes
Memory
Code Description
BDS & Specific action
Each Driver entry point used in 80PORT
Each Peim entry point used in 80PORT
Securitystub
Moniterkey
Each SmmDriver entry point used in 80PORT
146 Chapter
Mainboard Top View
Jumper and Connector Locations
Mainboard Bottom View DDR3 Model
Clearing Password Check
Clearing Password Check and Bios Recovery
Steps for Clearing Bios Password Check
Description Location
Bios Recovery Boot Block
Bios Recovery by Crisis Disk
Bios Recovery Hotkey
Steps for Bios Recovery from USB Storage
FRU Field Replaceable Unit List
Main Assembly
Exploded Diagrams
Description Acer P/N
23.SDE02.002
Logic Lower Assembly
60.SDE02.002
55.SDE02.001
Logic Upper Assembly
60.SDE02.001
LCD Assembly
Category Description
Aspire D255 FRU List
Cable
HDD Housing
HDD/HARD Disk Drive
160
LCD
LED LCD CMO 10.1 Wsvga Glare N101L6
ANTENNA, CCD, 3G-RED LCD Cover IMR-RED W/3G
ANTENNA, CCD, 3G-BROWN LCD Cover IMR-BROWN W/3G
LK.1010D.004 L0D LF 200NIT 10MS
ANTENNA, CCD, 3G-BLUE LCD Cover IMR-BLUE W/3G
Chapter 167
LED LCD AUO 10.1 Wsvga None Glare
ANTENNA, CCD, 3G-RED
170
Chapter 171
172
Mainboard
Heatsink
LCD GASKET-L for W/3G
AcerPN Acer Description Screw
Screw List
Aspire D255
Appendix a
Model Country Acer Part No Description
USA
Model Country Acer Part No Description
180 Chapter
Model Country Acer Part No Description
182 Chapter
USA
Acla
Model Country Acer Part No Description
186 Chapter
Model Country Acer Part No Description
188 Chapter
China
190 Chapter
Model Country Acer Part No Description
192 Chapter
USA
194 Chapter
Model Country Acer Part No Description
196 Chapter
Model Country Acer Part No Description
198 Chapter
China
200 Chapter
Model Country Acer Part No Description
202 Chapter
USA
204 Chapter
Model Country Acer Part No Description
CPU LCD
Model Country Acer Part No BOM Name
AOD255 Austria
AOD255 Germany LU.SDE0B.013 AOD255UMACkk2
AOD255 Portugal
AOD255 LU.SDE0B.073 AOD255UMACkk2
AOD255 China LU.SDE0C.001 AOD255UMACkk2
AOD255 Malaysia LU.SDF0D.011 AOD255UMACbb2
AOD255 Albania
AOD255 Germany
AOD255 Norway
AOD255 South Africa LU.SDE0D.031 AOD255UMACkk2
AOD255 S2.SDE0D.004 AOD255UMACkk2
ATMN550B
AOD255 Singapore LU.SDP0D.005 AOD255UMACcc3
AOD255 Cyprus LU.SDJ0D.038 AOD255UMACkk3
AOD255 Italy LU.SDJ0D.054 AOD255UMACkk3
AOD255 Singapore LU.SDJ0D.007 AOD255UMACkk3
LU.SDJ0D.089 AOD255UMACkk3
Extra SW1
Model Country Acer Part No Memory
LU.SDF0B.003
AOD255 Czech LU.SDE0B.077
AOD255 Middle East LU.SDE0B.006
AOD255 South Africa LU.SDE0B.047
SO2GBII6
AOD255 S2.SDF0D.002
AOD255 Philippines LU.SDN0D.004
AOD255 Belgium LU.SDE0D.075
AOD255 Hungary LU.SDE0D.049
AOD255 Portugal LU.SDE0D.055
AOD255 LU.SDE0D.045
LU.SDG0D.006
AOD255 Singapore LU.SDH0D.009
AOD255 Austria LU.SDJ0D.041
AOD255 Greece LU.SDJ0D.064
AOD255 Middle East LU.SDJ0D.084
AOD255 South Africa LU.SDJ0D.086
Model Country Acer Part No Wireless LAN1 Bluetooth
LU.SDF0B.001 3rd WiFi 1x1 BGN AOD255-2BQbb
LU.SDE0B.001 3rd WiFi 1x1 BGN AOD255-2BQkk
LU.SDE0B.004 3rd WiFi 1x1 BGN AOD255-2BQkk
LU.SDF0D.002 3rd WiFi 1x1 BGN AOD255-2DQbb
Model Country Acer Part No Wireless LAN1 Bluetooth
248 Chapter
LU.SDE0D.005 3rd WiFi 1x1 BGN AOD255-2DQkk
250 Chapter
Model Country Acer Part No Wireless LAN1 Bluetooth
252 Chapter
Model Country Acer Part No Wireless LAN1 Bluetooth
254 Chapter
Microsoft Windows 7 Environment Test
Appendix B
HDD
NB Chipset
Mouse
Software
VGA Chip
Wireless LAN
Vendor Type Description WiFi Antenna
Appendix C
Online Support Information
260
Index
262
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