Acer Extensa 670 free download

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Extensa 670 Service Guide PART NO.: 49.47010.001 DOC. NO.: SG248-9708A PRINTED IN TAIWAN Copyright Copyright © 1996 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 Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose. Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software. Further, Acer Incorporated reserves the right to revise this publication and make changes from time to time in the contents hereof without obligation of Acer Incorporated to notify any person of such revision or changes. Acer is a registered trademark of Acer Incorporated. IBM, PS/2 and OS/2 are registered trademarks of International Business Machines Corporation. Intel and Pentium are registered trademarks of Intel Corporation. MS-DOS, Windows and Windows 95 are registered trademarks of Microsoft Corporation. Other brands and product names are trademarks and/or registered trademarks of their respective holders. ii About this Manual Purpose This service guide contains reference information for the Extensa 670 computer. It gives the system and peripheral specifications, shows how to identify and solve system problems and explains the procedure for removing and replacing system components. It also gives information for ordering spare parts. Manual Structure This service guide consists of six chapters and one appendices as follows: Chapter 1 General Description This chapter contains a general overview of the system, describes the standard and optional features, and identifies the major assemblies and subassemblies. This section also contains detailed functional and environmental specifications. Chapter 2 Installation This chapter contains unpacking and preparation for use instructions for the system. Chapter 3 Operating Instructions This chapter contains a summary of notebook operating procedures useful for maintenance operations. Chapter 4 Theory of Operation This chapter contains a general block diagram theory of operation description and major chips introductions. Chapter 5 Troubleshooting Procedures This chapter contains an overview of the fault isolation process, provides guidelines for isolating 67x series computer malfunctions to replaceable subassemblies and provi