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Aspire one 521 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 on 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 Notebook Tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69 Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 Removing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 Removing the Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75 LCD Module Disassembly Process . . . . . . . .
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Table of Contents FRU (Field Replaceable Unit) List 131 Exploded Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131 Main Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132 LCD Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134 FRU List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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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 Platform • AMD V Series processor V105 (512 KB L2 cache, 1.20 GHz, 800 MHz FSB, 9 W) • AMD M880G Chipset System Memory • Single-channel DDR3 SDRAM support with one soDIMM module • Up to 1 GB of DDR3 system memory (for Windows® 7 Starter for small notebook PCs) • Up to 2 GB of DDR3 system memory
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• Onyx Black 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), Reduced-Size Multimedia Card (RS- MMC), Memory Stick™ (MS), Memory Stick PRO™ (MS PRO), xD-Picture Card™ (xD) • Storage cards with adapter: miniSD™, microSD™, Memory Stick Duo™, Memory Stick PRO Duo™ Audio subsystem • High-definition audio support • Two built-in stereo speakers • MS-Sound compatible • Built-in digital microphone O
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Dimensions and Weight • 259 (W) x 189.7 (D) x 23.2/28.3 (H) mm (10.20 (W) x 7.47 (D) x 0.91/1.11 (H) inches) • 1.25 kg (2.76 lbs.)2 (for models with 6-cell 5800 mAh battery pack) Power Adapter and Battery • Product Safety Electric Appliance and Materials (PSE) certified for battery pack • 2-pin 40 W Acer MiniGo AC adapter: • 93.2 (W) x 48 (D) x 32.2 (H) mm (3.66 x 1.88 x 1.26 inches) • 180 g (0.39 lbs.) with 250 cm DC cable • Standard: • 48 W 4400 mAh 6-cell Li-ion battery pack • High-capacity:
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• Optional: • 1 GB / 2 GB DDR3 1066 MHz soDIMM module· • 6-cell Li-ion battery pack· • 2-pin 40 W AC adapter • External USB HDD • External USB optical disc drive Warranty • One-year International Travelers Warranty (ITW) Environment • Temperature: • Operating: 5°C to 35°C • Non-operating: 20°C to 65°C • Humidity (non-condensing): • Operating: 20% to 80% • Non-operating: 20% to 80% NOTE: The specifications listed above are for reference only. The exact configuration of the PC depends on the mode
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System Block Diagram UNBUFFERED DDR III,800 MT/s DDRIII SODIMM Geneva Channel A P15 HDT P4 AMD ASB2 CPU K125 (Athlon SC) 12W HT1 K325 (Athlon DC) 12W HT1 (812 balls ; 27x27mm) P2~5 HyperTransport LINK 16x16 LVDS MUX LVDS CON RS880M P16 HyperTransport LINK0 CPU I/F TMDS(PCIE 4x1) DDRIII HDMI CON DX10 IGP SIDE PORT P17 DDRIII 128MB SIDE PORT MEMORY P6 DAC LVDS VGA CON P16 1X16 PCIE I/F PCIE GEN1 1X4 PCIE I/F WITH SB 6X1 PCIE I/F 0 LAN-AR8152L (21x21mm) P21 P6~9 2 4 A-Link X4 3G P23 SB820M 1 2 HD A
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Notebook Tour This section provides an overview of the features and functions of the notebook. Top View # Icon Item Description 1 Acer Crystal Eye Web camera for video communication. (only for certain webcam models) 2 Display screen Also called Liquid-Crystal Display (LCD), displays computer output (configuration may vary by model). 3 Microphone Internal microphone for recording sound. 4 Power button/ Turns the computer on and off. 5 Keyboard For entering data into your computer 6 Chapter 1
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# Icon Item Description 6 Power* Indicates the computer’s power status. Battery* Indicates the computer’s battery status. 1. Charging: The light shows amber when the light is charging. 2. Fully charged: the light shows blue when in AC mode. HDD indicator Indicates when the HDD is active. Communication Indicates the status of the 3G/Wireless LAN indicator* communication. Blue light on Orange light on Not lit 3G on / WiFi on 3G off / WiFi on 3G off / WiFi off 3G on / WiFi off 7 Click buttons The
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# Icon Item Description USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse, USB 5 camera). Multi-in-1 card Accepts Secure Digital (SD), MultiMediaCard (MMC), reader Memory Stick (MS), Memory Stick PRO (MS PRO), xDPicture Card (xD). 6 Note: Push to remove/install the card. Only one card can operate at any given time. Right View # Icon Item Description 7 Microphone jack Accepts inputs from external microphones. Headphones/ Connects to audio line-out devices (e.g., speakers, speaker/lin
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Base View # Icon Item Description Battery bay Houses the computer’s battery pack. 12 Note: The battery shown is for reference only. Your PC may have a different battery depending on the model purchased. 3G SIM card slot Accepts a 3G SIM card for 3G connectivity. (only for certain 13 models) Battery release latch Releases the battery for removal. 14 Hard disk bay Houses the computer’s hard disk (secured with screws) 15 Memory compartment Houses the computer’s main memory. Ventilation slots and
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TouchPad Basics The following items show you how to use the TouchPad: 1 2 3 • Move your finger across the TouchPad (1) to move the cursor. • Press the left (2) and right (3) buttons located beneath the TouchPad to perform selection and execution functions. These two buttons are the equivalent of the left and right buttons on a mouse. Tapping on the TouchPad is the same as clicking the left button. Function Left Button (2) Right Button (3) Main TouchPad (1) Execute Quickly click twice. Tap twic
