Acer Extensa 570 Mantenance Manual

							 
Maintenance Manual
ExtensaÔ Ô
 
57x Series
Notebook Computers
9811323-0001
May 1996 
						

							Copyright (©) 1996 Texas Instruments Incorporated
All Rights Reserved — Printed in U.S.A.
ExtensaÔ
Ô 57x Series Notebook Computers
Maintenance Manual
TI Part No. 9811323-0001
Original Issue: May 1996
Changes may be made periodically to the information in this publication.
Such changes will be incorporated in new editions of this manual.
No part of this publication may be reproduced, stored in a retrieval system,
or transmitted, in any form or by any means, electronic, mechanical, 
photocopy, recording, or otherwise, without the prior written permission of
Texas Instruments Incorporated.
The equipment, as well as the programs that TI has created to use with
them, are tools that can help people better manage the information used in
their business; but tools — including TI products — cannot replace sound
judgment nor make the manager’s business decisions.
Consequently, TI cannot warrant that its products are suitable for any spe-
cific customer application. The manager must rely on judgment of what is
best for his or her business.
Address all correspondence regarding orders to:
Texas Instruments Incorporated
P.O. Box 6102, M/S 3255
Temple, Texas  76503
Extensa and DockMate are trademarks of Texas Instruments.
 The icons in the Windows Notebook and Startup groups are copyrighted 
by Texas Instruments.
Lotus is a trademark of Lotus Development Corporation.
IBM and VGA are trademarks and PS/2 is a registered trademark of International
Business Machines Corporation.
Microsoft, Windows, and MS-DOS are registered trademarks of Microsoft 
Corporation.
Intel and Pentium are registered trademarks of Intel Corporation.
Cirrus and SimulSCAN are trademarks of Cirrus Logic, Inc. 
IRDA is a trademark of Infra Red Data Association. 
						

							Contents
Preface
 1   General Description
1.1 . . . .  Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 . . . .  Product Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.3 . . . .  International Product Versions . . . . . . . . . . . . . . . . . 1-2
1.4 . . . .  Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.4.1 . . .  External Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1.4.2 . . .  Glidepad Pointing Device . . . . . . . . . . . . . . . . . . . 1-6
1.4.3 . . .  Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.4.4 . . .  Standard Power Features . . . . . . . . . . . . . . . . . . . 1-7
1.4.5 . . .  Wireless Connection With Serial Infrared Port . . . 1-8
1.4.6 . . .  Preloaded Software . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1.4.7 . . .  Notebook Expansion Capabilities . . . . . . . . . . . . . 1-8
1.5 . . . .  Standard Test Features  . . . . . . . . . . . . . . . . . . . . . . 1-9
1.6 . . . .  Notebook Assemblies and Subassemblies . . . . . . . . . 1-9
1.6.1 . . .  Cover -Display Assembly . . . . . . . . . . . . . . . . . . . . 1-10
1.6.2 . . .  System Base Assembly . . . . . . . . . . . . . . . . . . . . . 1-11
1.7 . . . .  Extensa 57x Series Notebook Specifications . . . . . . . 1-11
1.8 . . . .  Agency Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
2   Installation  
2.1 . . . .  Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 . . . .  Unpacking Instructions . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.3 . . . .  Installing Notebook Options  . . . . . . . . . . . . . . . . . . . 2-1
2.3.1 . . .   Installing Expansion Memory Modules . . . . . . . . 2-1
2.3.2 . . .   Installing PCMCIA Options . . . . . . . . . . . . . . . . . 2-2
2.3.3 . . .   Installing the Optional Numeric Keypad . . . . . . . 2-2
2.4 . . . .  Installing the Battery Pack(s)   . . . . . . . . . . . . . . . . . . 2-2
2.5 . . . .  Installing External Devices . . . . . . . . . . . . . . . . . . . . 2-3
Contents  iii 
						

							2.5.1 . . .  Installing an External Keyboard/Mouse  . . . . . . . 2-4
2.5.2 . . .  Installing External Parallel Printer . . . . . . . . . . . . 2-6
2.5.3 . . .  Installing External Serial Port Device  . . . . . . . . . 2-7
2.5.4 . . .  Installing External SVGA Monitor . . . . . . . . . . . . 2-8
2.5.5 . . .  Installing SIR Devices. . . . . . . . . . . . . . . . . . . . . . 2-9
2.6 . . . .  Installing the AC Power Adapter   . . . . . . . . . . . . . . . 2-10
2.7 . . . .  Initial System Checkout  . . . . . . . . . . . . . . . . . . . . . . 2-10
2.8 . . . .  Configuring the System . . . . . . . . . . . . . . . . . . . . . . . 2-11
2.9 . . . .  Making Backups of System Software . . . . . . . . . . . . . 2-11
2.10 . . .  Loading Application Software . . . . . . . . . . . . . . . . . . 2-11
3   Operating Instructions
3.1 . . . .  Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 . . . .  Notebook Controls and Indicators . . . . . . . . . . . . . . . 3-1
3.2.1 . . .  LCD Contrast Control . . . . . . . . . . . . . . . . . . . . . 3-2
3.2.2 . . .  Button Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.2.3 . . .  Cover Release Latch . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.2.4 . . .  Glidepad Controls . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.3 . . . .  Operating Procedures   . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.3.1 . . .  Floppy Drive Operating Procedures . . . . . . . . . . . 3-2
3.3.2 . . .  Installing/Removing PCMCIA Options . . . . . . . . . 3-4
3.3.3 . . .  Computer Hot Keys . . . . . . . . . . . . . . . . . . . . . . . 3-4
3.3.4 . . .  Responding to Low Battery Conditions . . . . . . . . . 3-4
3.3.5 . . .  Minimizing Power Usage. . . . . . . . . . . . . . . . . . . . 3-4
3.3.6 . . .  Recharging the Battery Packs. . . . . . . . . . . . . . . . 3-5
3.3.7 . . .  Conditioning the Primary Battery . . . . . . . . . . . . . 3-5
3.3.8 . . .  Restoring Missing System Files . . . . . . . . . . . . . . 3-5
3.3.9 . . .  Rebuilding the System Software . . . . . . . . . . . . . . 3-5
4   Theory of Operation
4.1 . . . .  Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4.2 . . . .  Notebook Functional Description. . . . . . . . . . . . . . . . 4-1
4.2.1 . . .  Processor/Memory Subsystems  . . . . . . . . . . . . . 4-1
4.2.2 . . .  I/O Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4.2.3 . . .   Video Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
 
iv 
  Contents 
						

							4.2.4 . . .  Hard Disk Subsystem . . . . . . . . . . . . . . . . . . . . . 4-6
4.2.5 . . .  Floppy Diskette Drive Subsystem . . . . . . . . . . . . . 4-7
4.2.6 . . .  CD-ROM Subsystem . . . . . . . . . . . . . . . . . . . . . . 4-7
4.2.7 . . .  PCMCIA Subsystem . . . . . . . . . . . . . . . . . . . . . . . 4-7
4.2.8 . . .  Sound Subsystem (Model Dependent) . . . . . . . . . 4-8
4.2.9 . . .  Power Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
5   Troubleshooting Procedures
5.1 . . . .  General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.2 . . . .  Overview of Fault Isolation Process . . . . . . . . . . . . . . 5-1
5.3 . . . .  Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . 5-3
5.3.1 . . .  Troubleshooting a Power Supply Problem. . . . . . . 5-3
5.3.2 . . .  Troubleshooting a Display Problem . . . . . . . . . . . 5-5
5.3.3 . . .  Fault Isolation Using Self Test  . . . . . . . . . . . . . . . 5-5
5.3.4 . . .  PCMCIA Modem Problems . . . . . . . . . . . . . . . . . . 5-5
5.3.5 . . .  Fault Isolation Using Diagnostics  . . . . . . . . . . . . 5-6
6   Field Service
6.1 . . . .  Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2 . . . .  Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.2.1 . . .  Cleaning the Computer . . . . . . . . . . . . . . . . . . . . 6-1
6.2.2 . . .  Protecting the Disk Drives . . . . . . . . . . . . . . . . . . 6-1
6.2.3 . . .  Handling the Computer Battery Pack . . . . . . . . . . 6-2
6.2.4 . . .  Restoring System Software . . . . . . . . . . . . . . . . . . 6-2
6.3 . . . .  Required Tools and Equipment   . . . . . . . . . . . . . . . . 6-2
6.4 . . . .  Notebook Field-Replaceable Parts and Assemblies . . . 6-3
6.4.1 . . .  Cover -Display Assembly . . . . . . . . . . . . . . . . . . . . 6-3
6.4.2 . . .  System Base Assembly . . . . . . . . . . . . . . . . . . . . . 6-5
6.5 . . . .  FRU Removal and Replacement Procedures. . . . . . . . 6-8
6.5.1 . . .  Removing/Replacing the Notebook Battery Pack . 6-8
6.5.2 . . .  Removing/Replacing the Floppy Drive/CD-ROM . 6-8
6.5.3 . . .  Removing/Replacing the Hard Drive  . . . . . . . . . . 6-9
6.5.4 . . .  Removing/Replacing DIMM Modules . . . . . . . . . . 6-9
6.5.5 . . .   Removing/Replacing the Keyboard Assembly . . . 6-10
6.5.6 . . .  Removing/Replacing the Display Assembly . . . . . 6-11
 
Contents  v 
						

							6.5.7 . . .  Removing and Replacing the LCD Status 
. . . . . . .  Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
6.5.8 . . .  Removing/Replacing the Top Case Assembly . . . . 6-12
6.5.9 . . .  Removing/Replacing the Glidepad Assembly . . . . 6-12
6.5.10 . .  Removing/Replacing the IR/Sound Assembly . . . 6-12
6.5.11 . .  Removing/Replacing the Power Supply Board . . . 6-13
6.5.12 . .  Removing/Replacing the CMOS Battery  . . . . . . . 6-13
6.5.13 . .  Removing/Replacing the Main Board . . . . . . . . . . 6-13
6.5.14 . .   Removing/Replacing HDD Connector Board  . . . 6-14
6.5.15 . .  Removing/Replacing Inverter Board  . . . . . . . . . . 6-15
A   Self Test Error Messages
A.1 . . . .  Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
B   PC-Doctor Diagnostics
B.1 . . . .  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
B.2 . . . .  Starting PC-Doctor . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
B.3 . . . .  Keyboard Navigation . . . . . . . . . . . . . . . . . . . . . . . . . B-2
B.4 . . . .  Mouse Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
B.5 . . . .  PC-Doctor Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
B.5.1 . . .  Online Help (?) . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
B.5.2 . . .  Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
B.5.3 . . .  Interactive Tests Menu . . . . . . . . . . . . . . . . . . . . . B-4
B.5.4 . . .  Hardware Info Menu . . . . . . . . . . . . . . . . . . . . . . B-4
B.5.5 . . .  Utility Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-5
B.6 . . . .  Quitting PC-Doctor . . . . . . . . . . . . . . . . . . . . . . . . . . B-6
B.7 . . . .  Remote Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . B-6
 
vi 
  Contents 
						

							Preface
Introduction
This manual provides installation, operation and servicing data for the
ExtensaÔ 57x Series Notebook Computers.
Intended Audience
This manual is primarily intended for use by qualified service technicians
but contains information useful to non-technical users.
Contents
This manual contains six sections and reference appendices including:
·Section 1: General Description —
 Introduces the main features of the
notebook; provides a list of physical and electrical specifications.
·Section 2: Installation 
— 
Describes how to unpack, install options and
cable up the notebook computer in a desktop environment.
·Section 3: Operating Instructions —
 Describes the notebook
operating controls and indicators and basic operating procedures.
·Section 4: Theory of Operation —
 Describes the theory of operation
for Extensa 57x Series Notebook Computers.
·Section 5: Troubleshooting
 Procedures 
— Provides guidelines for
performing fault isolation on the Extensa 57x Series Notebook
Computers.
·Section 6: Field Service
 — Provides preventive and corrective
maintenance procedures for the notebook computer.
·Appendix A: Self Test Error Messages
·Appendix B: PC-Doctor
 Diagnostics
Preface vii 
						

							Other Manuals About the System
The following documents provide additional information related to the
Extensa 57x Series Notebooks:
·Extensa
Ô Ô 57x Series Notebook Computer User’s Reference Manual,
contains reference information regarding the Extensa 57x series
software.
·Windows 95® Help 
(online)
·PC-Doctor Help and Technical Reference
 (online)
Ordering Parts and Supplies
To order a copy of  any TI publication or to order option kits, spare parts or
supplies for your system, contact your TI Reseller or:
Telephone Toll-free: 1-800-TI TEXAS
  
viii 
Preface 
						

							 1
General Description
1.1Introduction
This manual contains field and factory level servicing information for the
Texas Instruments ExtensaÔ
  57x Series of Notebook Computers (Figure
1-1).
This section provides a general overview and specifications for the Extensa
57x Series Notebook Computers.
 
1.2Product Models
Table 1-1 summarizes the features shipped with the notebook for the
product models initially available in the Extensa 57x family of notebook
computers. The product models offer a choice of either 11.3 inch, dual scan
color or 10.4 inch active matrix color LCD and a choice of either the basic
Windows
® 95 operating system or Windows 95 plus application software.
Other options include choice of 810 million byte or 1200 million byte hard
drive.
Figure 1-1  Extensa 57xSeries Notebook Computer
 General  Description 1-1 
						

							Table 1-1 Extensa 57x Series Notebook Computers
Features Model
570CDModel
575CDModel
570CDTModel
575CDT
11.3 Dual Scan, SVGA
Color LCDXX
10.4 Active Matrix (TFT),
SVGA Color LCD XX
1.44 MB Floppy Drive 
ModuleXXXX
CD-ROM Drive Module X X X X
Windows
 95 X X X X
Application Software X X
16-Bit Stereo Sound X X X X
HDD 810 Million Bytes X X
HDD 1200 Million Bytes X X
1.3 International Product Versions
The Extensa 57x Series Notebooks are available in domestic and
international configurations as listed in Table 1-2.
                       Table 1-2  Notebook Domestic/International Configurations
Configuration P/N Suffix Configuration P/N Suffix
Domestic -0001 Swedish -0010
UK -0002 Swiss/French -0011
German -0003 Danish -0012
French -0004 Norwegian -0013
Spanish -0005 Finish -0014
Swiss/German -0006 Belgium -0015
Italian -0007 Austrian -0016
Portuguese -0008 Latin American -0018
Western European -0009
      
1-2 
 General  Description