ThinkPad R31 Service Manual.pdf

ThinkPad R30/R31 Hardware

Maintenance Manual

Before using this information and the product it supports,

be sure to read the general information under

“Introduction” on page 1, and “Notices” on page 228.

First Edition (September 2002)

The following paragraph does not apply to the United

Kingdom or any country where such provisions are

inconsistent with local law:

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apply to you.

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typographical errors. Changes are periodically made to the

information herein; these changes will be incorporated in

new editions of the publication. IBM may make

improvements or changes in the products or the programs

described in this publication at any time.

Requests for technical information about IBM products

should be made to your IBM Authorized Dealer or your

IBM Marketing Representative.

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Preface

About this manual

This manual contains service and reference information for

IBM ThinkPad R30/R31 products. Use this manual along

with the advanced diagnostic tests to troubleshoot

problems effectively.

The manual is divided into sections as follows:

The Introduction section provides general information,

guidelines, and safety information required to service

computers.

The product-specific section includes service, reference,

and product-specific parts information.

Important

This manual is intended for trained servicers who

are familiar with ThinkPad products. Use this

manual along with the advanced diagnostic tests to

troubleshoot problems effectively. Before servicing

an IBM ThinkPad product, be sure to review the

safety information under “Safety Notices

(Multi-lingual Translations)” on page 3 ,“Safety

Information” on page 13, and “Laser Compliance

Statement” on page 17.

iii

iv ThinkPad R30/R31 HMM

Contents

Preface . . . . . . . . . . . . . . . iii

ThinkPad R30/R31 Hardware Maintenance Manual 1

Introduction . . . . . . . . . . . . . . 1

Im t t S i eI f rm ti . . . . . . . . 1

Drive and Diskette Compatibility Matrix . . . . . 2

Safety Notices (Multi-lingual Translations) . . . . 3

S f tyI f rm ti . . . . . . . . . . . 3

Laser Compliance Statement . . . . . . . 7

General Descriptions . . . . . . . . . . . 0

Read this first . . . . . . . . . . . . . 1

What to do first . . . . . . . . . . . 1

FRU replacement notices . . . . . . . . . 3

LCD replacement notice . . . . . . . . . 3

S ew ti s. . . . . . . . . . . . 3

System board/LCD/Inverter replacement notice 24

R l t d i ei f rm ti n. . . . . . . . . 6

Power button as reset switch . . . . . . . 6

Running a low-level format . . . . . . . . 6

S i eW b ite. . . . . . . . . . . 6

Passwords . . . . . . . . . . . . . 6

Power management features . . . . . . . 8

Fn key combinations . . . . . . . . . . 0

Product recovery program . . . . . . . . 0

l hBIOS. . . . . . . . . . . . . 3

Checkout guide . . . . . . . . . . . . 4

Testing the computer . . . . . . . . . . 4

R l t d i ei f rm ti n. . . . . . . . 5

Power systems checkout. . . . . . . . . 6

Symptom-to-FRU Index . . . . . . . . . . 0

Numeric Error Codes and Messages . . . . . 0

Beep Symptoms . . . . . . . . . . . 3

LCD-Related Symptoms . . . . . . . . . 4

Keyboard/TrackPoint-Related Symptoms . . . . 5

Indicator-Related Symptoms. . . . . . . . 5

Power-Related Symptoms . . . . . . . . 5

Memory-Related Symptom . . . . . . . . 6

Audio-Related Symptoms . . . . . . . . 6

PC Card (PCMCIA)-Related Symptoms . . . . 6

Power Management-Related Symptoms . . . . 7

Peripheral-Device-Related Symptoms . . . . . 7

Modem-Related Symptom . . . . . . . . 8

Operating System-Related Symptom . . . . . 8

I t rmitt t P lems. . . . . . . . . . 8

Undetermined Problems . . . . . . . . . 9

ThinkPad R30 . . . . . . . . . . . . . 0

Product overview . . . . . . . . . . . 1

FRU removals and replacements . . . . . . 6

Locations . . . . . . . . . . . . . 4

P tsli t . . . . . . . . . . . . . 7

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