Acer EM250 user manual

User manual for the device Acer EM250

Device: Acer EM250
Size: 10,60 MB
Date of adding : 2014-03-09 17:46:11
Number of pages: 194
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Acer EM250 user manual
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Abstracts of contents
Summary of the content on the page No. 1

eMachines eM250 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 © 2009 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. IV

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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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Your eMachines Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Table of Contents Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 Removing the RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66 Removing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67 Removing the Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69 Removing the LCD Module . . . . . . . . . . . . . .

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Table of Contents External Mouse Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134 Other Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134 Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 Motherboard C

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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 Starter • Genuine Windows® 7 Home Basic (China only) • Genuine Windows® XP Home (Service Pack 3) Platform • Intel® Atom™ processor • Mobile Intel® 945GSE Express Chipset • Mobile Intel® 82801GBM Chipset • Acer InviLink™ 802.11b/g System Memory • Single channel with one soDIMM slot: • DDR2 533/667 MHz SDRAM memory interface design • soDIMM slot: Supports 512 MB

Summary of the content on the page No. 12

• 1.18 kg (2.62 lbs.) for SKUs with 3-cell battery pack • 1.33 kg (2.95 lbs.) for SKUs with 6-cell battery pack Communication • Integrated webcam, supporting 0.3-megapixel resolution • WLAN: Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED® network connection, supporting Acer SignalUp™ wireless technology • LAN: 10/100 Mbps Fast Ethernet • WPAN: Bluetooth® 2.0+EDR • WWAN: UMTS/HSPA at 2100 MHz and quad-band GSM/GPRS/EDGE (850/900/1800/1900 MHz), or UMTS/HSPA at 850/1900/2100 MHz and quad-band GSM/GPRS

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System Block Diagram Diamondville SC FCBGA8 437Pins 22x22mm page 4,5 Clock Generator FSB CRT Conn H_A#(3..31) H_D#(0..63) CK505 400/533MHz page 12 page 14 RGB Memory BUS(DDRII) DDRII-SO-DIMM Calistoga GSE page 11 FCBGA998 1.8V DDRII 400/533 LVDS LCD Conn. Thermal Sensor page 13 27x27mm page 6,7,8,9,10 EMC1402 page 4 DMI USB Port X1 page 28 X2 mode USB I/O Board X2 page 22 ICH7M PCI-Express HDA BGA652 to I/O board CONN 31x31mm RTS5159E page 22 page 15,16,17,18 SATA 10/100 Ethernet BlueToothX

Summary of the content on the page No. 14

Your eMachines Notebook tour Front View No. Icon Item Description 1 Webcam Web camera for video communication 2 Microphone Internal microphone for sound recording. 3 Display screen Also called Liquid-Crystal Display (LCD), displays computer output. 4 Bluetooth Enables/disables the Bluetooth function. communication Indicates the status of Bluetooth communication. switch/indicator (only for certain models) 5 Status indicators Light-Emitting Diodes (LED) that light up to show the status of the c

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No. Icon Item Description 9 Click buttons (left The left and right buttons function like the left and and right) right mouse buttons. 10 Wireless LAN/3G Indicates the status of Wireless LAN/3G communication communication. (only for certain models) indicator 11 Power button/ Turns the computer on and off. indicator Closed Front View No. Icon Item Description 1 Wireless Enables/disables the wireless function. communication switch Left View 12 3 456 No. Icon Item Description 1 Ethernet (RJ-45) C

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Right View 13 2 4 No. Icon Item Description 1 Multi-in-1 card Accepts Secure Digital (SD), MultiMediaCard reader (MMC), Memory Stick (MS), Memory Stick PRO (MS PRO), xD-Picture Card (xD). Note: Push to remove/install the card. Only one card can operate at any given time. 2 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse). 3 DC-in jack Connects to an AC adapter 4 Kensington lock Connects to a Kensington-compatible computer slot security lock. Rear and Base View 51 2 4 3 No. Icon Item

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No. Icon Item Description 2 Battery lock Locks the battery in position. 3 Ventilation slots Vents enable the computer to stay cool, even after prolonged use. Note: Do not cover or obstruct the cooling vents. 4 Battery release Releases the battery for removal. latch 5 3G SIM card slot Accepts a 3G SIM card for 3G connectivity (only for certain models). Indicators The computer has several easy-to-read status indicators. The battery indicator is visible even when the computer cover is closed. Ic

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TouchPad Basics The following items show you how to use the TouchPad: • 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 similar to 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 twice (at the sam

Summary of the content on the page No. 19

Using the Keyboard Your eMachines eM250 has a close-to-full-sized keyboard and an embedded numeric keypad, separate cursor, lock, function and special keys. Lock Keys and embedded numeric keypad The keyboard has three lock keys which you can toggle on and off. Lock key Description Caps Lock When Caps Lock is on, all alphabetic characters typed are in uppercase. Num Lock When Num Lock is on, the embedded keypad is in numeric mode. The keys + function as a calculator (complete with th

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Windows Keys The keyboard has two keys that perform Windows-specific functions. Key Description Windows key Pressed alone, this key has the same effect as clicking on the Windows Start button; it launches the Start menu. It can also be used with other keys to provide a variety of functions: <>: Open or close the Start menu <> + : Display the desktop <> + : Open Windows Explore <> + : Search for a file or folder <> + : Lock your computer (if you are connected to a network domain), o


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