Texas Instruments Extensa 51x Manuale utente

Maintenance Manual

ExtensaTM 51x Series

Notebook Computers

9811755-0001

April 1996

Extensa 51x Series Notebook Computers

Maintenance Manual

TI Part No. 9811755-0001

Original Issue: April 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, photo-

copy, 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 is a trademark of Texas Instruments.

The icons in the Windows Notebook and Startup Groups are copyrighted by

Texas Instruments.

Intel and Pentium are registered trademarks of Intel Corporation.

PS/2 is a registered trademark, and IBM, AT and VGA are trademarks of

International Business Machines Corporation.

Microsoft and Windows are registered trademarks of Microsoft Corporation.

IRDA is a trademark of Infra Red Data Association.

SimulSCAN and Cirrus are trademarks of Cirrus Logic, Inc.

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1.4.1 . . . External Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

1.4.2 . . . Touchpad Pointing Device . . . . . . . . . . . . . . . . . . 1-6

1.4.3 . . . Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

1.4.4 . . . Standard Power Features. . . . . . . . . . . . . . . . . . . 1-9

1.4.5 . . . Preloaded Software. . . . . . . . . . . . . . . . . . . . . . . . 1-9

1.4.6 . . . Notebook Expansion Capabilities . . . . . . . . . . . . . 1-10

1.5 . . . . Standard Test Features . . . . . . . . . . . . . . . . . . . . . . 1-10

1.6 . . . . Notebook Assemblies and Subassemblies . . . . . . . . . 1-10

1.6.1 . . . Cover-Display Assembly . . . . . . . . . . . . . . . . . . . 1-11

1.6.2 . . . System Base Assembly . . . . . . . . . . . . . . . . . . . . 1-12

1.7 . . . . Extensa 51x Series Notebook Specifications . . . . . . . 1-12

1.8 . . . . Agency Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14

2 Installation

2.1 . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.2 . . . . Unpacking Instructions . . . . . . . . . . . . . . . . . . . . . . 2-1

2.3 . . . . Installing Notebook Options . . . . . . . . . . . . . . . . . . 2-1

2.3.1 . . . Installing Dual Inline Memory Module(s) . . . . . . 2-1

2.3.2 . . . Installing PCMCIA Options . . . . . . . . . . . . . . . . . 2-3

2.3.3 . . . Installing the Optional Numeric Keypad . . . . . . 2-4

2.4 . . . . Installing the Battery Pack(s) . . . . . . . . . . . . . . . . . . 2-4

2.5 . . . . Installing External Devices. . . . . . . . . . . . . . . . . . . . 2-5

2.5.1 . . . Installing an External Keyboard/Mouse . . . . . . . 2-6

Contents iii

2.5.2 . . . Installing External Parallel Printer . . . . . . . . . . . . 2-7

2.5.3 . . . Installing External Serial Port Device . . . . . . . . . 2-8

2.5.4 . . . Installing External VGA Monitor. . . . . . . . . . . . . . 2-9

2.5.5 . . . Installing External Microphone . . . . . . . . . . . . . . 2-10

2.5.6 . . . Installing External Audio Input Devices . . . . . . . . 2-10

2.5.7 . . . Installing External Audio Output Devices. . . . . . . 2-10

2.6 . . . . Installing the AC Power Adapter . . . . . . . . . . . . . . . 2-10

2.7 . . . . Initial System Checkout . . . . . . . . . . . . . . . . . . . . . . 2-11

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 . . . Button Switches. . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.2.2 . . . Cover Release Latch. . . . . . . . . . . . . . . . . . . . . . . 3-2

3.2.3 . . . Touchpad Controls. . . . . . . . . . . . . . . . . . . . . . . . 3-3

3.2.4 . . . Keyboard Mode LEDs. . . . . . . . . . . . . . . . . . . . . . 3-3

3.3 . . . . Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . 3-3

3.3.1 . . . Floppy Drive Operating Procedures . . . . . . . . . . . 3-3

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. . . . . . . . . 3-5

3.3.5 . . . Minimizing Power Usage. . . . . . . . . . . . . . . . . . . . 3-5

3.3.6 . . . Recharging the Battery Packs. . . . . . . . . . . . . . . . 3-5

3.3.7 . . . Restoring Missing System Files . . . . . . . . . . . . . . 3-6

3.3.8 . . . Rebuilding the System Software. . . . . . . . . . . . . . 3-6

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 . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

iv Contents

4.2.3 . . . Video Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

4.2.4 . . . Hard Disk Subsystem . . . . . . . . . . . . . . . . . . . . . 4-5

4.2.5 . . . Floppy Diskette Drive Subsystem. . . . . . . . . . . . . 4-5

4.2.6 . . . PCMCIA Subsystem . . . . . . . . . . . . . . . . . . . . . . . 4-6

4.2.7 . . . Power Subsystem. . . . . . . . . . . . . . . . . . . . . . . . . 4-6

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 . . . . . . . . . . . . . . . . . . 6-2

6.2.3 . . . Handling the Computer Battery Pack. . . . . . . . . . 6-2

6.2.4 . . . Restoring System Software. . . . . . . . . . . . . . . . . . 6-2

6.3 . . . . Required Tools and Equipment . . . . . . . . . . . . . . . 6-3

6.4 . . . . Notebook Field-Replaceable Parts and Assemblies. . . 6-3

6.4.1 . . . Display Assembly. . . . . . . . . . . . . . . . . . . . . . . . . 6-3

6.4.2 . . . System Base Assembly. . . . . . . . . . . . . . . . . . . . . 6-5

6.5 . . . . Notebook Subassembly Removal and

. . . . . . . Replacement Procedures . . . . . . . . . . . . . . . . . . . . . 6-7

6.5.1 . . . Removing/Replacing the Notebook Battery Pack . 6-7

6.5.2 . . . Removing/Replacing the Keyboard Assembly. . . . 6-8

6.5.3 . . . Removing/Replacing the Heat Sink . . . . . . . . . . . 6-9

6.5.4 . . . Opening/Replacing the Upper Case Assembly . . . 6-10

6.5.5 . . . Removing/Replacing the Floppy Disk Assembly . 6-11

6.5.6 . . . Removing/Replacing the Hard Drive . . . . . . . . . . 6-11

6.5.7 . . . Removing/Replacing DIMM Modules . . . . . . . . . . 6-13

Contents v

6.5.8 . . . Removing and Replacing the Display Assembly . . 6-13

6.5.9 . . . Removing and Replacing the Inverter Board

. . . . . . . or Contrast Board . . . . . . . . . . . . . . . . . . . . . . . . 6-13

6.5.10 . . Removing/Replacing the Touchpad Assembly . . . 6-14

6.5.11 . . Removing/Replacing the Smart Battery Board

. . . . . . . Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-15

6.5.12 . . Removing/Replacing the Charger/Power Supply

. . . . . . . Board Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 6-15

6.5.13 . . Removing/Replacing the Main Board . . . . . . . . . . 6-15

6.5.14 . . Removing/Replacing the Pentium Chip . . . . . . . . 6-16

ASelf Test Error Messages

A.1 . . . . Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

BPC-Doctor Diagnostics

B.1 . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

B.2 . . . . Starting PC-Doctor . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

B.3 . . . . Mouse Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2

B.4 . . . . PC-Doctor Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2

B.4.1 . . . Online Help (?) . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2

B.4.2 . . . Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2

B.4.3 . . . Interactive Tests Menu. . . . . . . . . . . . . . . . . . . . . B-3

B.4.4 . . . Hardware Info Menu . . . . . . . . . . . . . . . . . . . . . . B-4

B.4.5 . . . Utility Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4

B.5 . . . . Quitting PC-Doctor . . . . . . . . . . . . . . . . . . . . . . . . . . B-5

B.6 . . . . Remote Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . B-5

vi Contents

Preface

Introduction

This manual provides installation, operation and servicing data for the

Extensa51x 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 multiple reference appendices

including:

•Section 1: General Description — Introduces the main features of the

notebook family; 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 modes of operation.

•Section 4: Theory of Operation — Describes detailed theory of

operation for Extensa Series notebooks.

•Section 5: Troubleshooting —Provides troubleshooting procedures for

the Extensa 51x Series notebooks.

•Section 6: Field Service — Provides corrective maintenance

procedures for the notebook computer.

•Appendix A: Self Test Error Messages

•Appendix B: PC-Doctor Reference Data

Preface vii

Other Manuals About the System

The following documents provide additional information related to the

Extensa 51x Series:

•Extensa Series Notebook Computer User’s Reference Manual

contains reference information regarding the Extensa Series Notebook

Computer software including the TI custom utilities.

•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

General Description

1.1 Introduction

This manual contains field and factory level servicing information for the

Texas Instruments Extensa51x Series of Notebook Computers (Figure

1-1). This section provides a general overview and specifications for the

Extensa 51x Series Notebook Computers.

1.2 Product Models

The two initial offerings in the 51x Series are differentiated by the software

installed on the system at the factory. The Model 510 contains Windows® 95

and the Model 515 includes Windows 95 and a variety of applications as

summarized in Table 1-1. Each model may contain either the 540 million

byte hard disk drive (-00xx part number suffix) or 810 million byte hard

drive (-01xx part number suffix).

Figure1-1 Extensa 51x Series Notebook Computer

General Description 1-1

Table 1-1 Extensa 51x Series Notebook Computers

Model 510 Model 515

•U.S. Version

Windows 95 or Windows

for Workgroups

Windows 95 Plus Microsoft

Works, Quicken SE, Lotus

Organizer, and Microsoft

Entertainment Pack

•Non U.S. Versions

Windows 95

1.3 International Product Versions

The Extensa 51x Series Notebooks are available in one of 15 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 Asia Pacific -0017

Western European -0009 Latin American -0018

Chinese -0019

1.4 Product Overview

All members of the Extensa 51x Series are high performance notebooks

System software. As a standard feature, all members of the Extensa 51x

family also contain the following features:

•8 MB of EDO RAM memory (user-expandable to 40 MB)

•128 bytes of battery-backed up CMOS RAM

•1 MB of video RAM

1-2 General Description

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