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Aspire One D255 Series
Service Guide
Service guide files and updates are available
on the ACER/CSD web; for more information,
please refer to http://csd.acer.com.tw
PRINTED IN TAIWAN
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Revision History Please refer to the table below for the updates made to this service guide. Date Chapter Updates II
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Copyright Copyright © 2010 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no rep
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Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that appear on screen. NOTE Gives bits and pieces of additional information related to the current topic. WARNING Alerts you to any damage that might result from doing or not doing specific actions. CAUTION Gives precautionary measures to avoid possible hardware or software problems. IMPORTANT Reminds you to do specific actions relevant to the accomplishment of procedures. NOTE: This s
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Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market requirements and enhance product competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra memory capability). These LOCALIZED FEATURES
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VI
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Table of Contents System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 DDR2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 DDR3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Removing the Button Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Removing the LED Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67 Removing the Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 Removing the RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69 Removing the Speaker Module . . . . . . . . . . .
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Table of Contents Wireless Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134 3G Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 Cosmetic Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136 Thermal Unit Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137 External Mouse Failure . .
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Table of Contents X
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Chapter 1 System Specifications Features Below is a brief summary of the computer’s many features: Operating system • Genuine Windows® 7 Home Basic 32-bit (China only) • Genuine Windows® 7 Starter 32-bit • Genuine Windows® XP Home (Service Pack 3) CPU and chipset • Intel® Atom™ processor N550 (1 MB L2 cache, 1.50 GHz, DDR3 667 MHz, 8.5 W) (for model with DDR3 support only) • Intel® Atom™ processor N450 (512 KB L2 cache, 1.66 GHz, DDR2 667 MHz, 5.5 W) (for model with DDR2 support only) • Mobile
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Color options • Aquamarine, Diamond Black, Ruby Red, Sandstone Brown, Seashell White Display • 10.1" SD 1024 x 600 (WSVGA) pixel resolution, high-brightness (200-nit) LED-backlit TFT LCD • Mercury free, environment friendly • Glare/anti-glare option Storage subsystem • Hard disk drive • 2.5" (9.5 mm) 160/250 GB • Multi-in-1 card reader, supporting: • Secure Digital™ (SD) Card, MultiMediaCard™ (MMC) • Storage cards with adapter: miniSD™, microSD™ Webcam Acer Video Conference, featuring: • Acer Cr
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Dimensions and weight • Dimensions • 258.5 (W) x 185 (D) x 24 (H) mm (10.17 x 7.28 x 0.95 inches) • Weight • 1.25 kg (2.76 lbs.) with 6-cell battery pack Privacy control • BIOS user, supervisor, HDD passwords • Kensington lock slot Power adapter and battery • Product Safety Electric Appliance and Materials (PSE) certified for battery pack • Power adapter • 2-pin 40 W Acer MiniGo AC adapter: • 93.2 (W) x 32.2 (D) x 42.5 (H) mm (3.66 x 1.26 x 1.67 inches) • 180 g (0.39 lbs.)2 with 250 cm DC cable
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Software • Productivity • Acer ePower Management • Acer eRecovery Management • Adobe® Flash® Player • Adobe® Reader® 9.1 • eSobi™ • Google Toolbar™ • Microsoft® Office 2010 preloaded (purchase a product key to activate) • Microsoft® Office Starter 2010 • Norton™ Online Backup • Security • McAfee® Internet Security Suite Trial • MyWinLocker® (except China, Hong Kong) • InstantOn • Android™ InstantOn •Gaming • Oberon GameZone (except US, Canada, China, Hong Kong, Korea) • WildTangent® (US, Canada
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System Block Diagram DDR2 Clock Generator CK505 CRT Conn RGB Memory BUS(DDRII) DDRII-SO-DIMM Pineview FCBGA 559 1.8V DDRII 667 LVDS LCD Conn. 22x22mm Thermal Sensor EMC1402 DMI X2 mode GEN1 USB USB Port X3 Tigerpoint PCI-Express HDA PCBGA360 BlueTooth 17x17mm SATA CMOS CAM MINI Card x1 MINI Card x1 10/100 Ethernet HDD 3G WLAN AR8152L 3G LPC BUS Transfermer WLAN Aralia Codec Card Reader ALC272 RJ45 Power ON/OFF DC/DC Interface ENE6252 3VALW/5VALW ENE KBC SPI DC IN KB926 0.89VP/
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DDR3 Clock Generator CK505 CRT Conn RGB Memory BUS(DDRIII) DDRIII-SO-DIMM Pineview FCBGA 559 1.5V DDRIII 667 LCD Conn. LVDS 22x22mm Thermal Sensor EMC1402 DMI X2 mode GEN1 USB PCI-Express USB Port x2(L) Tigerpoint HDA PCBGA360 SATA BlueTooth LPC BUS TPM 17x17mm MINI Card x1 10/100 Ethernet CMOS CAM WLAN HDD AR8152 3G 3G LPC BUS Transfermer USB Port x1(R) Aralia Codec RJ45 ALC272 Card Reader Power ON/OFF DC/DC Interface ENE6252 Int.KBD 3VALW/5VALW ENE KBC SPI DC IN KB926 1.5VP/V
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Your Notebook Tour Top View Top view 1 9 2 3 4 5 8 6 7 No. Component Icon Description 1 Microphone Internal microphone for sound recording. 2 Display screen Also called Liquid-Crystal Display (LCD), displays computer output (configuration may vary by model). 3 Power button Turns the computer on and off. 4 Keyboard For entering data into your computer. 5 Touchpad Touch-sensitive pointing device which functions like a computer mouse. 6 Status indicators Light-Emitting Diodes (LED) that light
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Closed Front View 1 # Component Icon Description 1 Power indicator Indicates the computer's power status. Battery indicator Indicates the computer's battery status. 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows blue when in AC mode. HDD indicator Indicates when the hard disk drive is active. Communication Indicates the status of 3G/Wireless LAN communication. indicator Blue light on Orange light on Not lit 3G on / Wi-Fi on 3G off / Wi-Fi on
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Right View 13 2 45 # Component Icon Description 1 2-in-1 card reader Accepts Secure Digital (SD), MultiMediaCard (MMC). Note: Push to remove/install the card. Only one card can operate at any given time. 2 Microphone-in Accepts input from external microphones. jack Headphone/ Connects to line-out audio devices (e.g., speakers, speaker/line-out headphones). jack 3 USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse). 4 Kensington lock Connects to a Kensington-compatible computer security
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Bottom View 6 1 2 5 4 3 # Component Icon Description 1 Ventilation slots Enables the computer to stay cool, even after prolonged use. and/or cooling fan Note: Do not cover or obstruct the opening of the fan. 2 Battery release Releases the battery for removal. latch 3 3G SIM card slot Accepts a 3G SIM card for 3G connectivity (only for certain models). 4 Battery bay Houses the computer's battery pack. 5 Battery lock Locks the battery in position. 6 Speaker Emits audio from your computer. 10 Chap
