IBM ThinkPad R40 2681 Owner's manual

IBM Mobile Systems
ThinkPad
Computer
Hardware Maintenance Manual
March 2004
This manual supports: ThinkPad R40


Note
Before using this information and the product it
supports, be sure to read the general information
under “Notices” on page 178.
First Edition (March 2004)
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.
© Copyright International Business Machines
Corporation 2004. All rights reserved.
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 . . . . . .5
Safety information . . . . . . . . . . . .17
General safety . . . . . . . . . . . .17
Electrical safety . . . . . . . . . . .18
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 . . . . . . . . .28
Service web site . . . . . . . . . . .28
Restoring the preloaded system . . . . . .28
Passwords . . . . . . . . . . . . .30
Power management . . . . . . . . . .33
Checkout guide . . . . . . . . . . . .36
Testing the computer . . . . . . . . . .36
Detecting system information with PC-Doctor . . .38
Power system checkout . . . . . . . . .39
ThinkPad R40 . . . . . . . . . . . . .43
Product overview . . . . . . . . . . . .45
Specifications . . . . . . . . . . . .45
Status indicators . . . . . . . . . . .48
FRU tests . . . . . . . . . . . . .50
Fn key combinations . . . . . . . . . .52
Symptom-to-FRU index . . . . . . . . . .53
Numeric error codes . . . . . . . . . .53
Error messages . . . . . . . . . . .56
Beep symptoms . . . . . . . . . . .57
No-beep symptoms . . . . . . . . . .57
LCD-related symptoms . . . . . . . . .58
Intermittent problems . . . . . . . . . .59
Undetermined problems . . . . . . . . .59
FRU replacement notices . . . . . . . . .60
Screw notices . . . . . . . . . . . .60
Retaining serial numbers . . . . . . . . .61
Removing and replacing a FRU . . . . . . . .63
1010 Battery pack . . . . . . . . . . .64
1020 Ultrabay Plus device . . . . . . . .65
© Copyright IBM Corp. 2004 iii

1030 Hard-disk drive . . . . . . . . . .66
1040 DIMM . . . . . . . . . . . .68
1050 Mini PCI adapter . . . . . . . . .70
1060 Keyboard . . . . . . . . . . .73
1070 Backup battery . . . . . . . . . .81
1080 Optical storage in the fixed bay . . . . .82
1090 PC Card slot assembly . . . . . . .85
1100 Hinge cover . . . . . . . . . . .87
1110 Communication daughter card (CDC) . . .88
1120 Fan assembly . . . . . . . . . .94
1130 CPU . . . . . . . . . . . . .95
1140 Bluetooth antenna assembly . . . . . .97
1150 LCD assembly . . . . . . . . . .98
1160 Keyboard bezel . . . . . . . . . 103
1170 Speaker assembly and microphone cable 108
1180 System board . . . . . . . . . . 109
1190 Hard-disk drive slot . . . . . . . .116
2000 Ultrabay Plus guide rail . . . . . . .117
2010 I/O Bracket . . . . . . . . . . .119
2020 LCD front bezel . . . . . . . . . 120
2030 Inverter card . . . . . . . . . . 121
2040 LCD panel and LCD cable assembly . . . 122
2050 Antenna assembly, hinges, and LCD cover 124
Locations . . . . . . . . . . . . . . 127
Front view for 2681, 2682, 2683, 2722, 2723, 2724 127
Rear view for 2681, 2682, 2683, 2722, 2723, 2724 129
Bottom view for 2681, 2682, 2683, 2722, 2723,
2724 . . . . . . . . . . . . . 130
Front view for 2684, 2685 . . . . . . . . 131
Rear view for 2684, 2685 . . . . . . . . 132
Bottom view for 2684, 2685 . . . . . . . 133
Parts list . . . . . . . . . . . . . . 134
R40 series model matrix . . . . . . . . 134
Overall . . . . . . . . . . . . . 144
LCD FRUs . . . . . . . . . . . . 161
Keyboard . . . . . . . . . . . . . 165
Recovery CDs . . . . . . . . . . . 166
Miscellaneous parts . . . . . . . . . . 169
AC adapters . . . . . . . . . . . . 172
Telephone cable . . . . . . . . . . . 173
Optional FRUs . . . . . . . . . . . 174
Common parts list . . . . . . . . . . 176
Notices . . . . . . . . . . . . . . 178
Trademarks . . . . . . . . . . . . 178
iv ThinkPad R40

About this manual
This manual contains service and reference information for
IBM ThinkPad R40 product. Use this manual along with
the advanced diagnostic tests to troubleshoot problems.
The manual is divided into sections as follows:
v The common sections provide general information,
guidelines, and safety information required in servicing
computers.
v The 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 5, “Safety
information” on page 17, and “Laser compliance
statement” on page 22.
© Copyright IBM Corp. 2004 1

2 ThinkPad R40

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:
v If you are instructed to replace a FRU but the
replacement does not correct the problem, reinstall
the original FRU before you continue.
v Some 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.
v If an adapter or 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.
© Copyright IBM Corp. 2004 3

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 if 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
Important service information
4 ThinkPad R40

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.
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 unité en clientèle, vérifiez que tous les ressorts, vis et
autres pièces sont bien en place et bien fixées. Pour ce faire,
secouez l’unité et 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, muß sichergestellt werden, daß keine
Schrauben, Federn oder andere Kleinteile fehlen oder im
Gehäuse vergessen wurden. Der Computer muß geschüttelt und
auf Klappergeräusche geprüft werden. Metallteile oder-splitter
können Kurzschlüsse erzeugen.
Prima di accendere l’elaboratore dopo che é stata 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.
(continued)
Safety notices
Introduction 5

(continuation of safety notice 1)
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
6 ThinkPad R40