IBM ThinkPad T40 series Manual del propietario

IBM Mobile Systems

ThinkPad Computer

Hardware Maintenance Manual

August 2003

This manual supports:

ThinkPad T40,T40p,T41,T41p

ThinkPad Dock II (MT 2877)

(MT 2373/2374/ / )

2375 2376/2378/2379



Note

Before using this information and the product it

supports, be sure to read the general information

under “Notices” on page 183.

First Edition (August 2003)

The following paragraph does not apply to the United

Kingdom or any country where such provisions are

inconsistent with local law:

INTERNATIONAL BUSINESS MACHINES CORPORATION

PROVIDES THIS PUBLICATION “AS IS” WITHOUT ANY

WARRANTY OF ANY KIND, EITHER EXPRESS OR

IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE

LIMITED WARRANTIES OF MERCHANTABILITY OR

FITNESS FOR A PARTICULAR PURPOSE. Some states

do not allow disclaimer or express or implied warranties in

certain transactions; therefore, this statement may not

apply to you.

This publication could include technical inaccuracies or

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 to the products or the programs

described in this publication at any time.

It is possible that this publication may contain references

to, or information about, IBM products (machines and

programs), programming, or services that are not

announced in your country. Such references or information

must not be construed to mean that IBM intends to

announce such IBM products, programming, or services in

your country.

Requests for technical information about IBM products

should be made to your IBM authorized dealer or your IBM

marketing representative.

US Government Users Restricted Rights – Use, duplication

or disclosure restricted by GSA ADP Schedule Contract

with IBM Corp.

Contents

About this manual ...........1

Introduction .............3

Important service information .........3

Strategy for replacing FRUs ........3

How to use error messages ........4

Diskette compatibility matrix .........4

Safety notices: multilingual translations ......4

Safety information............16

General safety............16

Electrical safety ...........17

Safety inspection guide .........19

Handling devices that are sensitive to electrostatic

discharge ............20

Grounding requirements .........21

Laser compliance statement.........22

General descriptions ..........25

Read this first .............25

What to do first ...........25

Related service information .........27

Service web site ...........27

Restoring the original contents of a hard disk drive 27

Passwords .............30

Power management ..........32

Checkout guide ............35

Testing the computer ..........35

Detecting system information with PC-Doctor. . . 38

Power system checkout .........39

ThinkPad T40, T40p, T41 Series .......43

Product overview ............45

Specifications ............45

Status indicators ...........48

FRU tests .............50

Fn key combinations ..........52

Symptom-to-FRU index ..........55

Numeric error codes ..........55

Error messages ...........60

Beep symptoms ...........61

No-beep symptoms ..........61

LCD-related symptoms .........62

Intermittent problems ..........63

Undetermined problems .........63

FRU replacement notices .........64

Screw notices ............64

Retaining serial numbers.........65

Removing and replacing a FRU........67

1010 Battery pack...........68

1020 Ultrabay Slim device ........70

1030 Hard disk drive ..........71

1040 DIMM (optional) .........73

1050 Keyboard ...........75

1060 DIMM (standard) .........79

1070 Modem daughter card (MDC) .....80

1080 Bluetooth/Modem daughter card (BMDC) 82

1090 Palm rest ...........84

1100 Mini PCI adapter .........86

1110 Fan assembly ..........89

1120 Backup battery ..........90

1130 Speaker assembly .........92

1140 PC Card slot assembly .......94

1150 Keyboard bezel..........96

1160 LCD assembly ..........98

1170CPU.............103

1180 Ultrabay Slim guide rail assembly ....104

1190 VGA and Ultrabay Slim device eject button

cable .............106

1200 System board and base cover .....108

2010 LCD front bezel .........116

2020 Inverter card ..........118

2030 Bluetooth wireless antenna assembly . . . 119

2040 LCD panel, LCD cable assembly, wireless

LAN antenna assembly, hinges, and LCD cover. 121

3010 ThinkPad Dock II PCI cover......134

3020 ThinkPad Dock II top cover ......135

Locations ..............138

Front view ............138

Rear view.............140

Bottom view ............141

Parts list ..............142

T40, T40p, T41 series model matrix .....142

Overall .............153

LCD FRUs ............167

Keyboard .............173

Recovery CDs ...........174

Miscellaneous parts ..........177

AC adapters ............180

Optional FRUs ...........180

Common parts list ..........181

Notices ..............183

Trademarks ............183

iv MT 2373/2374/2375/2376/2378/2379

About this manual

This manual contains service and reference information for

IBM ThinkPad T40, T40p, T41 series (MT2373, 2374,

2375, 2376, 2378, and 2379), and ThinkPad Dock II

(MT2877) products. Use this manual along with the

advanced diagnostic tests to troubleshoot problems.

The manual is divided into sections as follows:

vThe common sections provide general information,

guidelines, and safety information required in servicing

computers.

vThe product-specific section includes service, reference,

and product-specific parts information.

Important

This manual is intended for trained service

personnel 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: multilingual translations”on page 4, “Safety

information”on page 16, and “Laser compliance

statement”on page 22.

2MT 2373/2374/2375/2376/2378/2379

Introduction

Important service information

Important

BIOS and device driver fixes are

customer-installable. The BIOS and device drivers

are posted on the IBM support site

http://www.ibm.com/pc/support

Advise customers to contact the PC Company

HelpCenter at 800-772-2227 if they need assistance

in obtaining or installing any diskette fixes.

Customers in Canada should call IBM HelpPC at

800-565-3344 for assistance or download

information.

Strategy for replacing FRUs

Before replacing parts

Make sure that all diskette fixes are installed before

replacing any FRUs listed in this manual.

Use the following strategy to prevent unnecessary expense

for replacing and servicing FRUs:

vIf you are instructed to replace a FRU but the

replacement does not correct the problem, reinstall

the original FRU before you continue.

vSome computers have both a processor board and a

system board. If you are instructed to replace either the

processor board or the system board, and replacing one

of them does not correct the problem, reinstall that

board, and then replace the other one.

vIf an adapter or a device consists of more than one

FRU, any of the FRUs may be the cause of the error.

Before replacing the adapter or device, remove the

FRUs, one by one, to see if the symptoms change.

Replace only the FRU that changed the symptoms.

Attention: The setup configuration on the computer you

are servicing may have been customized. Running

Automatic Configuration may alter the settings. Note the

current configuration settings (using the View Configuration

option); then, when service has been completed, verify that

those settings remain in effect.

Strategy for replacing a hard disk drive

Always try to run a low-level format before replacing a hard

disk drive.

Attention: The drive startup sequence in the computer

you are servicing may have been changed. Be extremely

careful during write operations such as copying, saving, or

formatting. If you select an incorrect drive, data or

programs can be overwritten.

How to use error messages

Use the error codes displayed on the screen to diagnose

failures. If more than one error code is displayed, begin the

diagnosis with the first error code. Whatever causes the

first error code may also cause false error codes. If no

error code is displayed, see whether the error symptom is

listed in the Symptom-to-FRU Index for the computer you

are servicing.

Diskette compatibility matrix

The compatibility of each of the drives with the diskettes

for it is as follows:

Diskette

drive Diskette

capacity Compatibility

3.5-inch 1.0 MB Read and write

2.0 MB Read and write

4.0 MB Not compatible

Safety notices: multilingual translations

In this manual, safety notices appear in English with a

page number reference to the appropriate multilingual,

translated safety notice found in this section.

The following safety notices are provided in English,

French, German, Hebrew, Italian, and Spanish.

Important service information

4MT 2373/2374/2375/2376/2378/2379

Safety notice 1

Before the computer is powered on after FRU

replacement, make sure all screws, springs, and other

small parts are in place and are not left loose inside

the computer. Verify this by shaking the computer and

listening for rattling sounds. Metallic parts or metal

flakes can cause electrical shorts.

Avant de remettre l’ordinateur sous tension après

remplacement d’une unitéen clientèle, vérifiez que

tous les ressorts, vis et autres pièces sont bien en

place et bien fixées. Pour ce faire, secouez l’unitéet

assurez-vous qu’aucun bruit suspect ne se produit. Des

pièces métalliques ou des copeaux de métal pourraient

causer un court-circuit.

Bevor nach einem FRU-Austausch der Computer

wieder angeschlossen wird, mußsichergestellt werden,

daßkeine Schrauben, Federn oder andere Kleinteile

fehlen oder im Gehäuse vergessen wurden. Der

Computer mußgeschüttelt und auf Klappergeräusche

geprüft werden. Metallteile oder-splitter können

Kurzschlüsse erzeugen.

Prima di accendere l’elaboratore dopo che éstata

effettuata la sostituzione di una FRU, accertarsi che

tutte le viti, le molle e tutte le altri parti di piccole

dimensioni siano nella corretta posizione e non siano

sparse all’interno dell’elaboratore. Verificare ciò

scuotendo l’elaboratore e prestando attenzione ad

eventuali rumori; eventuali parti o pezzetti metallici

possono provocare cortocircuiti pericolosi.

Antes de encender el sistema despues de sustituir una

FRU, compruebe que todos los tornillos, muelles y

demás piezas pequeñas se encuentran en su sitio y no

se encuentran sueltas dentro del sistema.

Compruébelo agitando el sistema y escuchando los

posibles ruidos que provocarían. Las piezas metálicas

pueden causar cortocircuitos eléctricos.

Safety notices

Introduction 5

Safety notice 2

DANGER

Some standby batteries contain a small amount of

nickel and cadmium. Do not disassemble a standby

battery, recharge it, throw it into fire or water, or

short-circuit it. Dispose of the battery as required

by local ordinances or regulations. Use only the

battery in the appropriate parts listing. Use of an

incorrect battery can result in ignition or explosion

of the battery.

Certaines batteries de secours contiennent du

nickel et du cadmium. Ne les démontez pas, ne les

rechargez pas, ne les exposez ni au feu ni à l’eau.

Ne les mettez pas en court-circuit. Pour les mettre

au rebut, conformez-vous à la réglementation en

vigueur. Lorsque vous remplacez la pile de

sauvegarde ou celle de l’horloge temps réel, veillez

à n’utiliser que les modèles cités dans la liste de

pièces détachées adéquate. Une batterie ou une

pile inappropriée risque de prendre feu ou

d’exploser.

Die Bereitschaftsbatterie, die sich unter dem

Diskettenlaufwerk befindet, kann geringe Mengen

Nickel und Cadmium enthalten. Sie darf nur durch

die Verkaufsstelle oder den IBM Kundendienst

ausgetauscht werden. Sie darf nicht zerlegt,

wiederaufgeladen, kurzgeschlossen, oder Feuer

oder Wasser ausgesetzt werden. Die Batterie kann

schwere Verbrennungen oder Verätzungen

verursachen. Bei der Entsorgung die örtlichen

Bestimmungen für Sondermüll beachten. Beim

Ersetzen der Bereitschafts-oder Systembatterie nur

Batterien des Typs verwenden, der in der

Ersatzteilliste aufgeführt ist. Der Einsatz falscher

Batterien kann zu Entzündung oder Explosion

führen.

(continued)

Safety notices

6MT 2373/2374/2375/2376/2378/2379

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