THINKPAD I 1500
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IBM Mobile Systems
ThinkPad i Series 1400/1500 (2621, 2651)
Hardware Maintenance
Manual
February 2000
S09N-1084-01
IBM Mobile Systems
ThinkPad i Series 1400/1500 (2621, 2651)
Hardware Maintenance
Manual
February 2000
S09N-1084-01
IBM
Before using this information and the product it supports,
be sure to read the general information under
“Introduction” on page 2, and “Read this first” on page 19.
First Edition (February 2000)
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
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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 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.
Copyright International Business Machines Corporation 2000. All rights reserved. Note to US Government
Users — Documentation related to restricted rights — Use,
duplication, or disclosure is subject to restrictions set forth
in GSA ADP Schedule Contract with IBM Corp.
Preface
About this manual
This manual contains service and reference information for
IBM ThinkPad i Series 1400/1500 (2621) products. Use
this manual along with the advanced diagnostic tests to
troubleshoot problems effectively.
The manual is divided into sections as follows:
Common sections provides general information,
guidelines, and safety information required to service
computers.
Product-specific sections includes service, reference,
and product-specific parts information.
– Part I includes information on the models in
Group-A and B. (See the 2621 model table on
page iii.)
– Part II includes information on the models in
Group-C. (See the 2621 model table on page iii.)
Table 1 (Page 1 of 2). 2621– Model Table
I: 12.1"
TFT
Group-A 447,
44T/44C,
44H/44K,
44S/44X
Group-B 441/445,
448/4BA,
4BT/4BC,
4BH/4BY,
4BK/4BF,
4BS/4BP,
4BX,
541/548
II: 14.1"
TFT
480/48U,
460/46U,
484/464,
487/467,
48M/46M,
48A/46A,
48T/46T,
48C/46C,
48H/46H,
48K/46K,
48F/46F,
48S/46S,
48P/46P,
48X/46X,
560/567
465/4CM,
4CA/4CT,
4CC/4CH,
4CK/4CF
III:
15.0"
TFT
IV:
13.0"
HPA
420/42U,
424/42N,
427,
42A/42M,
42S/42F,
42D/42X,
540/547
421/428,
425/43J,
4AA/4AM,
4AF/4AS,
4AP/4AX
Preface iii
Table 1 (Page 2 of 2). 2621– Model Table
I: 12.1"
TFT
Group-C 442/4FT,
4FC/4FH,
4FK/4FF,
4FS/4FP,
4FX,
542/549,
5FF
II: 14.1"
TFT
482/489,
486/4GM,
4GA/4GT,
4GC/4GH,
4GK/4GF,
4GS/4GP,
4GX,
562/569
III:
15.0"
TFT
492/499,
496/49M,
49A/49T,
49C/49H,
49K/49F,
592
IV:
13.0"
HPA
442/4E2,
429/4EM,
4EA/4EF,
4ES/4EP,
4EX
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 (Multilingual
Translations)” on page 4 and “Safety Information” on
page 11.
Related publications
The following product publications are available through
IBM or your IBM Authorized Dealer.
Publication Part, Form Number
Mobile Systems HMM Volume
1: Laptop, Notebook, Portable,
and ThinkPad Computers
(Models L40, CL57, N45, N51,
P70/P75, ThinkPad 300, 350,
500, 510, 710T, Expansion
Unit, Dock I, Dock II)
Mobile Systems HMM Volume
2: ThinkPad Computers
(Models 340, 355, 360, 370,
700, 701, 720, 750, 755)
Mobile Systems HMM Volume
3: ThinkPad Computers
(Models 365, 380, 385, 560,
760, SelectaDock)
Mobile Systems HMM Volume
4: ThinkPad Computers
(Models 380, 385, 560, 760,
765)
30H2356, S82G-1501-01
30H2357, S82G-1502-03
84H8099, S82G-1503-05
05L1271, S05L-1270-01
Related diskettes
The following diskettes are available through IBM or your
IBM Authorized Dealer.
iv ThinkPad i Series 1400/1500 HMM
Diskette Part, Form Number
ThinkPad 300 (2615) Advanced
Diagnostics Diskette
ThinkPad 350, 350C, 425,
425C (2618) Advanced Diagnostics Diskette
ThinkPad 365 (2625) Advanced
Diagnostics Diskette
ThinkPad 380/385 (2635) Maintenance Diskette
ThinkPad 500 (2603) Advanced
Diagnostics Diskette
ThinkPad 510 (2604) Advanced
Diagnostics Diskette
ThinkPad 700 (9552) Reference
Diskette
ThinkPad 700C (9552) Reference Diskette
ThinkPad 720/720C (9552) Reference Diskette
ThinkPad i Series 1400 (2611)
Diagnostic and Utilities
diskettes
ThinkPad Hardware Maintenance Diskette (for all Models
355, 360, 560, 750, 755, 760)
ThinkPad Dock I (3545) 71G4140, S71G-4140
Docking Station (3550) 42G2428, S42G-2428
Data/Fax Modem 61G1556, S61G-1556
FaxConcentrator/A 84F8540, S84F-8540
33G9361, S33G-9361
A211000, GA21-1000
76H7578, S30H-2498
06J0333, S06J-0333
71G3702, S71G-3702
83G8095, S83G-8095
42G2017, S42G-2017
42G2023, S42G-2023
61G1194, S61G-1194
01K4841, S01K-4841-00
78H5384, S78H-5384
Preface v
vi ThinkPad i Series 1400/1500 HMM
Contents
Preface . . . . . . . . . . . . . . . . . . . . . iii
ThinkPad i Series 1400/1500 Hardware Maintenance
Manual . . . . . . . . . . . . . . . . . . . . . 1
General Descriptions . . . . . . . . . . . . . . . 1
Introduction . . . . . . . . . . . . . . . . . . . . 2
Important Service Information .......... 2
Drive and Diskette Compatibility Matrix ..... 3
Safety Notices (Multilingual Translations) .... 4
Safety Information . . . . . . . . . . . . . . . 11
Laser Compliance Statement .......... 16
Read this first ................... 19
What to do first ................ 19
FRU replacement notices ............. 21
LCD replacement notice ............ 21
Screw notices . . . . . . . . . . . . . . . . . 21
System board/Inverter replacement notice .... 22
Bios Levels . . . . . . . . . . . . . . . . . . 23
Flash (BIOS) update procedure ......... 23
Related service information ............ 24
Power button as reset switch .......... 24
Running a low-level format ........... 24
Service Web site ............... 24
Passwords . . . . . . . . . . . . . . . . . . 24
Power management features .......... 26
Fn key combinations .............. 27
Checkout guide . . . . . . . . . . . . . . . . . . 28
Testing the computer ............. 28
Related service information ........... 29
Power systems checkout ............ 30
Symptom-to-FRU Index . . . . . . . . . . . . . . 33
Numeric Error Codes and Messages ...... 33
LCD-Related Symptoms . . . . . . . . . . . . 34
Keyboard/TrackPoint-Related Symptoms . . . . 35
Indicator-Related Symptoms . . . . . . . . . . 35
Power-Related Symptoms . . . . . . . . . . . 35
Memory-Related Symptoms . . . . . . . . . . 36
Audio-Related Symptoms . . . . . . . . . . . 36
PC Card (PCMCIA)-Related Symptoms ..... 37
Power Management-Related Symptoms ..... 37
Peripheral-Device-Related Symptom . . . . . . 37
Modem-Related Symptoms . . . . . . . . . . . 38
Intermittent Problems . . . . . . . . . . . . . 38
Undetermined Problems . . . . . . . . . . . . 38
Locations . . . . . . . . . . . . . . . . . . . . . 40
Front View . . . . . . . . . . . . . . . . . . 40
Rear View . . . . . . . . . . . . . . . . . . . 41
Bottom View . . . . . . . . . . . . . . . . . . 42
Switch Locations . . . . . . . . . . . . . . . . 43
ThinkPad i Series 1400/1500 (Part I) ........ 43
Contents vii
Product overview . . . . . . . . . . . . . . . 44
FRU removals and replacements ........ 50
Parts list (ThinkPad i Series 1400/1500) ..... 90
ThinkPad i Series 1400/1500 (Part II) ...... 107
Product overview . . . . . . . . . . . . . . 108
FRU removals and replacements ....... 113
Parts list (ThinkPad i Series 1400/1500) .... 142
Notices . . . . . . . . . . . . . . . . . . . . . 160
Trademarks . . . . . . . . . . . . . . . . . . 161
viii ThinkPad i Series 1400/1500 HMM
ThinkPad i Series 1400/1500
Hardware Maintenance Manual
General Descriptions
This chapter includes descriptions for any ThinkPad model
that has the PC-Doctor DOS diagnostics program. Some
descriptions might not apply to your particular computer.
ThinkPad i Series 1400/1500
1
Introduction
Important Service Information
Important
Diskette fixes are customer installable. The diskette
fixes are located on the PC Company Bulletin Board
Service (BBS). The direct phone line for modem connection is 919-557-0001 or tieline 255-0001.
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.
The Canadian BBS phone numbers are:
Montreal 514-938-3022
Toronto 905-316-4255
Vancouver 604-664-6464
Winnipeg 204-934-2735
FRU Replacement Strategy
Before Replacing Parts
Ensure that all diskette fixes are installed prior to
replacing any FRUs listed in this manual.
Use the following strategy to prevent unnecessary FRU
replacement and service expense:
If you are instructed to replace a FRU and that
does not correct the problem, reinstall the original
FRU before you continue.
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 the first
board that you replaced does not correct the problem,
reinstall the original board, then replace the other
(processor or system) board.
If an adapter or device consists of more than one
FRU, an error code may be caused by any of the
FRUs. 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: A customized setup configuration (other than
default settings) may exist on the computer you are servicing. Running Automatic Configuration may alter those
settings. Note the current configuration settings (using the
2 ThinkPad i Series 1400/1500 HMM
View Configuration option) and verify that the settings are
in place when service is complete.
Hard Disk Drive Replacement Strategy:
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 might have been changed. Be extremely
careful during write operations such as copying, saving, or
formatting. Data or programs can be over-written if you
select an incorrect drive.
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. The cause of the first error code can
result in false error codes being displayed. 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.
How to Read POST Error Messages: POST
error messages are displayed on the screen as three, four,
five, or eight digits. The error messages that can be displayed as shorter POST messages are highlighted in this
index. Some digits will represent different information for
SCSI errors versus non-SCSI errors. The following
example shows which digits display the shorter POST error
messages and also defines the SCSI information in an
eight-digit error message.
POST
All SCSI devices are set to a different SCSI ID. Duplicate
SCSI ID settings can generate a false error message. Use
the SCSI ID to determine whether the error message is
coming from an internal or an external device.
Drive and Diskette Compatibility Matrix
The following table provides identification information for
3.5-inch drives.
Diskette Drive Identifying Mark
3.5-Inch - 1.44MB 1.44 on the eject button
3.5-Inch - 2.88MB 2.88 on the eject button
The following table provides compatibility information for
3.5-inch diskettes and 3.5-inch diskette drives.
Diskette
Capacity 1.44MB Drive 2.88MB Drive
1.0MB Read/Write Read/Write
2.0MB Read/Write Read/Write
4.0MB Not Compatible Read/Write
ThinkPad i Series 1400/1500 3
The following table provides identification information for
5.25-inch diskette drives.
Diskette Drive Identifying Mark
5.25-Inch - 360KB (External) Asterisk on bezel
5.25-Inch - 1.2MB (Internal) 1.2 on the eject button
The following table provides compatibility information for
5.25-inch diskettes and 5.25-inch diskette drives.
Diskette
Capacity 360KB Drive 1.2MB Drive
360KB Read/Write Read/Write
1.2MB Not Compatible Read/Write
Note: A 360KB diskette written to or formatted on a
1.2MB drive can be read reliably only on a 1.2MB
drive.
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, Italian, and Spanish languages.
4 ThinkPad i Series 1400/1500 HMM
Safety Notice 1
Before the computer is powered-on after FRU replacement, make sure all screws, springs, or 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 piòces 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, muβ sichergestellt
werden, daβ keine Schrauben, Federn oder andere
Kleinteile fehlen oder im Gehäuse vergessen wurden.
Der Computer muβ 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.
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 provocarõan. Las piezas metálicas
pueden causar cortocircuitos eléctricos.
ThinkPad i Series 1400/1500 5
Safety Notice 2
Some standby batteries contain a small amount of
nickel and cadmium. Do not disassemble it, 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 fÎr
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.
Alcune batterie di riserva contengono una piccola
quantità di nichel e cadmio. Non smontarle, ricaricarle,
gettarle nel fuoco o nell'acqua né cortocircuitarle.
Smaltirle secondo la normativa in vigore (DPR 915/82,
successive disposizioni e disposizioni locali). Quando
si sostituisce la batteria dell'RTC (real time clock) o la
batteria di supporto, utilizzare soltanto i tipi inseriti
nell'appropriato Catalogo parti. L'impiego di una
batteria non adatta potrebbe determinare l'incendio o
l'esplosione della batteria stessa.
Algunas baterías de reserva contienen una pequeña
cantidad de níquel y cadmio. No las desmonte, ni
recargue, ni las eche al fuego o al agua ni las
cortocircuite. Deséchelas tal como dispone la
normativa local. Utilice sólo baterías que se
encuentren en la lista de piezas. La utilización de una
batería no apropiada puede provocar la ignición o
explosión de la misma.
6 ThinkPad i Series 1400/1500 HMM
Safety Notice 3
The battery pack contains small amounts of nickel. Do
not disassemble it, throw it into fire or water, or shortcircuit it. Dispose of the battery pack as required by
local ordinances or regulations. Use only the battery in
the appropriate parts listing when replacing the battery
pack. Use of an incorrect battery can result in ignition
or explosion of the battery.
La batterie contient du nickel. Ne la démontez pas, ne
l'exposez ni au feu ni à l'eau. Ne la mettez pas en
court-circuit. Pour la mettre au rebut, conformez-vous
à la réglementation en vigueur. Lorsque vous
remplacez la batterie, veillez à n'utiliser que les
modèles cités dans la liste de pièces détachées
adéquate. En effet, une batterie inappropriée risque de
prendre feu ou d'exploser.
Akkus enthalten geringe Mengen von Nickel. Sie
dürfen nicht zerlegt, wiederaufgeladen,
kurzgeschlossen, oder Feuer oder Wasser ausgesetzt
werden. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Beim
Ersetzen der Batterie nur Batterien des Typs
verwenden, der in der Ersatzteilliste aufgeführt ist. Der
Einsatz falscher Batterien kann zu Entzündung oder
Explosion führen.
La batteria contiene piccole quantità di nichel. Non
smontarla, gettarla nel fuoco o nell'acqua né
cortocircuitarla. Smaltirla secondo la normativa in
vigore (DPR 915/82, successive disposizioni e
disposizioni locali). Quando si sostituisce la batteria,
utilizzare soltanto i tipi inseriti nell'appropriato
Catalogo parti. L'impiego di una batteria non adatta
potrebbe determinare l'incendio o l'esplosione della
batteria stessa.
Las baterías contienen pequeñas cantidades de
níquel. No las desmonte, ni recargue, ni las eche al
fuego o al agua ni las cortocircuite. Deséchelas tal
como dispone la normativa local. Utilice sólo baterías
que se encuentren en la lista de piezas al sustituir la
batería. La utilización de una batería no apropiada
puede provocar la ignición o explosión de la misma.
ThinkPad i Series 1400/1500 7
Safety Notice 4
The lithium battery can cause a fire, explosion, or
severe burn. Do not recharge it, remove its polarized
connector, disassemble it, heat it above 100°C
(212°F), incinerate it, or expose its cell contents to
water. 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.
La pile de sauvegarde contient du lithium. Elle
présente des risques d'incendie, d'explosion ou de
brûlures graves. Ne la rechargez pas, ne retirez pas
son connecteur polarisé et ne la démontez pas. Ne
l'exposez pas à une temperature supérieure à 100°C,
ne la faites pas brûler et n'en exposez pas le contenu
à l'eau. Mettez la pile au rebut conformément à la
réglementation en vigueur. Une pile inappropriée
risque de prendre feu ou d'exploser.
Die Systembatterie ist eine Lithiumbatterie. Sie kann
sich entzünden, explodieren oder schwere
Verbrennungen hervorrufen. Batterien dieses Typs
dürfen nicht aufgeladen, zerlegt, über 100 C erhitzt
oder verbrannt werden. Auch darf ihr Inhalt nicht mit
Wasser in Verbindung gebracht oder der zur richtigen
Polung angebrachte Verbindungsstecker entfernt
werden. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Beim
Ersetzen der Batterie nur Batterien des Typs
verwenden, der in der Ersatzteilliste aufgeführt ist. Der
Einsatz falscher Batterien kann zu Entzündung oder
Explosion führen.
La batteria di supporto e una batteria al litio e puo
incendiarsi, esplodere o procurare gravi ustioni.
Evitare di ricaricarla, smontarne il connettore
polarizzato, smontarla, riscaldarla ad una temperatura
superiore ai 100 gradi centigradi, incendiarla o gettarla
in acqua. Smaltirla secondo la normativa in vigore
(DPR 915/82, successive disposizioni e disposizioni
locali). L'impiego di una batteria non adatta potrebbe
determinare l'incendio o l'esplosione della batteria
stessa.
La bateria de repuesto es una bateria de litio y puede
provocar incendios, explosiones o quemaduras
graves. No la recargue, ni quite el conector
polarizado, ni la desmonte, ni caliente por encima de
los 100°C (212°F), ni la incinere ni exponga el
contenido de sus celdas al agua. Deséchela tal como
dispone la normativa local.
8 ThinkPad i Series 1400/1500 HMM
Safety Notice 5
If the LCD breaks and the fluid from inside the LCD
gets into your eyes or on your hands, immediately
wash the affected areas with water for at least 15
minutes. Seek medical care if any symptoms from the
fluid are present after washing.
Si le panneau d'affichage à cristaux liquides se brise
et que vous recevez dans les yeux ou sur les mains
une partie du fluide, rincez-les abondamment pendant
au moins quinze minutes. Consultez un médecin si
des symptômes persistent après le lavage.
Die Leuchtstoffröhre im LCD-Bildschirm enthält
Quecksilber. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Der
LCD-Bildschirm besteht aus Glas und kann
zerbrechen, wenn er unsachgemäβ behandelt wird
oder der Computer auf den Boden fällt. Wenn der
Bildschirm beschädigt ist und die darin befindliche
Flüssigkeit in Kontakt mit Haut und Augen gerät,
sollten die betroffenen Stellen mindestens 15 Minuten
mit Wasser abgespült und bei Beschwerden
anschlieβend ein Arzt aufgesucht werden.
Nel caso che caso l'LCD si dovesse rompere ed il
liquido in esso contenuto entrasse in contatto con gli
occhi o le mani, lavare immediatamente le parti
interessate con acqua corrente per almeno 15 minuti;
poi consultare un medico se i sintomi dovessero
permanere.
Si la LCD se rompe y el fluido de su interior entra en
contacto con sus ojos o sus manos, lave
inmediatamente las áreas afectadas con agua durante
15 minutos como mínimo. Obtenga atención medica si
se presenta algún síntoma del fluido despues de
lavarse.
ThinkPad i Series 1400/1500 9
Safety Notice 6
To avoid shock, do not remove the plastic cover that
surrounds the lower portion of the inverter card.
Afin d'éviter tout risque de choc électrique, ne retirez
pas le cache en plastique protégeant la partie
inférieure de la carte d'alimentation.
Aus Sicherheitsgründen die Kunststoffabdeckung, die
den unteren Teil der Spannungswandlerplatine umgibt,
nicht entfernen.
Per evitare scosse elettriche, non rimuovere la
copertura in plastica che avvolge la parte inferiore
della scheda invertitore.
Para evitar descargas, no quite la cubierta de plástico
que rodea la parte baja de la tarjeta invertida.
Safety Notice 7
Though main batteries have low voltage, a shorted or
grounded battery can produce enough current to burn
combustible materials or personnel.
Bien que le voltage des batteries principales soit peu
élevé, le court-circuit ou la mise à la masse d'une
batterie peut produire suffisamment de courant pour
brûler des matériaux combustibles ou causer des
brûlures corporelles graves.
Obwohl Hauptbatterien eine niedrige Spannung
haben, können sie doch bei Kurzschluβ oder Erdung
genug Strom abgeben, um brennbare Materialien zu
entzünden oder Verletzungen bei Personen
hervorzurufen.
Sebbene le batterie di alimentazione siano a basso
voltaggio, una batteria in corto circuito o a massa può
fornire corrente sufficiente da bruciare materiali
combustibili o provocare ustioni ai tecnici di
manutenzione.
Aunque las baterías principales tienen un voltaje bajo,
una batería cortocircuitada o con contacto a tierra
puede producir la corriente suficiente como para
quemar material combustible o provocar quemaduras
en el personal.
10 ThinkPad i Series 1400/1500 HMM
Safety Notice 8
Before removing any FRU, power-off the computer,
unplug all power cords from electrical outlets, remove
the battery pack, then disconnect any interconnecting
cables.
Avant de retirer une unitÒ rempla able en clientèle,
mettez le système hors tension, débranchez tous les
cordons d'alimentation des socles de prise de courant,
retirez la batterie et déconnectez tous les cordons
d'interface.
Die Stromzufuhr muβ abgeschaltet, alle Stromkabel
aus der Steckdose gezogen, der Akku entfernt und
alle Verbindungskabel abgenommen sein, bevor eine
FRU entfernt wird.
Prima di rimuovere qualsiasi FRU, spegnere il
sistema, scollegare dalle prese elettriche tutti i cavi di
alimentazione, rimuovere la batteria e poi scollegare i
cavi di interconnessione.
Antes de quitar una FRU, apague el sistema,
desenchufe todos los cables de las tomas de corriente
eléctrica, quite la batería y, a continuación,
desconecte cualquier cable de conexión entre
dispositivos.
Safety Information
The following section contains the safety information that
you need to be familiar with before servicing an IBM
mobile computer.
General Safety: Follow these rules to ensure
general safety:
Observe good housekeeping in the area of the
machines during and after maintenance.
When lifting any heavy object:
1. Ensure you can stand safely without slipping.
2. Distribute the weight of the object equally
between your feet.
3. Use a slow lifting force. Never move suddenly or
twist when you attempt to lift.
4. Lift by standing or by pushing up with your leg
muscles; this action removes the strain from the
muscles in your back.
objects that weigh more than 16 kg (35 lb) or
objects that you think are too heavy for you.
Do not perform any action that causes hazards to the
customer, or that makes the equipment unsafe.
ThinkPad i Series 1400/1500
Do not attempt to lift any
11
Before you start the machine, ensure that other
service representatives and the customer's personnel
are not in a hazardous position.
Place removed covers and other parts in a safe
place, away from all personnel, while you are servicing the machine.
Keep your tool case away from walk areas so that
other people will not trip over it.
Do not wear loose clothing that can be trapped in the
moving parts of a machine. Ensure that your sleeves
are fastened or rolled up above your elbows. If your
hair is long, fasten it.
Insert the ends of your necktie or scarf inside clothing
or fasten it with a nonconductive clip, approximately 8
centimeters (3 inches) from the end.
Do not wear jewelry, chains, metal-frame eyeglasses,
or metal fasteners for your clothing.
Attention: Metal objects are good electrical conduc-
tors.
Wear safety glasses when you are: hammering,
drilling soldering, cutting wire, attaching springs, using
solvents, or working in any other conditions that might
be hazardous to your eyes.
After service, reinstall all safety shields, guards,
labels, and ground wires. Replace any safety device
that is worn or defective.
Reinstall all covers correctly before returning the
machine to the customer.
Electrical Safety: Observe the following rules when
working on electrical equipment.
Important
Use only approved tools and test equipment. Some
hand tools have handles covered with a soft material
that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive
fibers to decrease electrostatic discharges. Do not use
this type of mat to protect yourself from electrical
shock.
Find the room emergency power-off (EPO) switch,
disconnecting switch, or electrical outlet. If an electrical accident occurs, you can then operate the
switch or unplug the power cord quickly.
Do not work alone under hazardous conditions or
near equipment that has hazardous voltages.
Disconnect all power before:
– Performing a mechanical inspection
12 ThinkPad i Series 1400/1500 HMM
– Working near power supplies
– Removing or installing main units
Before you start to work on the machine, unplug the
power cord. If you cannot unplug it, ask the customer
to power-off the wall box that supplies power to the
machine and to lock the wall box in the off position.
If you need to work on a machine that has exposed
electrical circuits, observe the following precautions:
– Ensure that another person, familiar with the
power-off controls, is near you.
Attention: Another person must be there to
switch off the power, if necessary.
– Use only one hand when working with
powered-on electrical equipment; keep the other
hand in your pocket or behind your back.
Attention: There must be a complete circuit to
cause electrical shock. By observing the above
rule, you may prevent a current from passing
through your body.
– When using testers, set the controls correctly
and use the approved probe leads and accessories for that tester.
– Stand on suitable rubber mats (obtained locally,
if necessary) to insulate you from grounds such
as metal floor strips and machine frames.
Observe the special safety precautions when you
work with very high voltages; these instructions are in
the safety sections of maintenance information. Use
extreme care when measuring high voltages. Regularly inspect and maintain your electrical hand tools
for safe operational condition.
Do not use worn or broken tools and testers.
Never assume that power has been disconnected
from a circuit. First, check that it has been
powered-off.
Always look carefully for possible hazards in your
work area. Examples of these hazards are moist
floors, nongrounded power extension cables, power
surges, and missing safety grounds.
Do not touch live electrical circuits with the reflective
surface of a plastic dental mirror. The surface is
conductive; such touching can cause personal injury
and machine damage.
Do not service the following parts with the power on
when they are removed from their normal operating
places in a machine:
– Power supply units
– Pumps
– Blowers and fans
ThinkPad i Series 1400/1500 13
– Motor generators
and similar units. (This practice ensures correct
grounding of the units.)
If an electrical accident occurs:
– Use caution; do not become a victim your-
self.
– Switch off power.
– Send another person to get medical aid.
Safety Inspection Guide: The intent of this
inspection guide is to assist you in identifying potentially
unsafe conditions on these products. Each machine, as it
was designed and built, had required safety items installed
to protect users and service personnel from injury. This
guide addresses only those items. However, good judgment should be used to identify potential safety hazards
due to attachment of non-IBM features or options not
covered by this inspection guide.
If any unsafe conditions are present, you must determine
how serious the apparent hazard could be and whether
you can continue without first correcting the problem. Consider these conditions and the safety hazards they present:
Electrical hazards, especially primary power (primary
voltage on the frame can cause serious or fatal electrical shock).
Explosive hazards, such as a damaged CRT face or
bulging capacitor.
Mechanical hazards, such as loose or missing hard-
ware.
The guide consists of a series of steps presented in a
checklist. Begin the checks with the power off, and the
power cord disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or
sharp edges).
2. Power-off the computer. Disconnect the power cord.
3. Check the power cord for:
a. A third-wire ground connector in good condition.
Use a meter to measure third-wire ground continuity for 0.1 ohm or less between the external
ground pin and frame ground.
b. The power cord should be the appropriate type
as specified in the parts listings.
c. Insulation must not be frayed or worn.
4. Remove the cover.
5. Check for any obvious non-IBM alterations. Use good
judgment as to the safety of any non-IBM alterations.
14 ThinkPad i Series 1400/1500 HMM
6. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or
other liquids, or signs of fire or smoke damage.
7. Check for worn, frayed, or pinched cables.
8. Check that the power-supply cover fasteners (screws
or rivets) have not been removed or tampered with.
Handling Electrostatic Discharge-Sensitive
Devices: Any computer part containing transistors or
integrated circuits ( ICs) should be considered sensitive to
electrostatic discharge (ESD). ESD damage can occur
when there is a difference in charge between objects.
Protect against ESD damage by equalizing the charge so
that the machine, the part, the work mat, and the person
handling the part are all at the same charge.
Notes:
1. Use product-specific ESD procedures when they
exceed the requirements noted here.
2. Make sure that the ESD protective devices you use
have been certified (ISO 9000) as fully effective.
When handling ESD-sensitive parts:
Keep the parts in protective packages until they are
inserted into the product.
Avoid contact with other people.
Wear a grounded wrist strap against your skin to
eliminate static on your body.
Prevent the part from touching your clothing. Most
clothing is insulative and retains a charge even when
you are wearing a wrist strap.
Use the black side of a grounded work mat to provide
a static-free work surface. The mat is especially
useful when handling ESD-sensitive devices.
Select a grounding system, such as those listed
below, to provide protection that meets the specific
service requirement.
Note: The use of a grounding system is desirable
but not required to protect against ESD
damage.
– Attach the ESD ground clip to any frame ground,
ground braid, or green-wire ground.
– Use an ESD common ground or reference point
when working on a double-insulated or batteryoperated system.
– You can use coax or connector-outside shells on
these systems.
– Use the round ground-prong of the AC plug on
AC-operated computers.
ThinkPad i Series 1400/1500
15
Grounding Requirements: Electrical grounding of
the computer is required for operator safety and correct
system function. Proper grounding of the electrical outlet
can be verified by a certified electrician.
Laser Compliance Statement
Some IBM Personal Computer models are equipped from
the factory with a CD-ROM drive. CD-ROM drives are also
sold separately as options. The CD-ROM drive is a laser
product. The CD-ROM drive is certified in the U.S. to
conform to the requirements of the Department of Health
and Human Services 21 Code of Federal Regulations
(DHHS 21 CFR) Subchapter J for Class 1 laser products.
Elsewhere, the drive is certified to conform to the requirements of the International Electrotechnical Commission
(IEC) 825 and CENELEC EN 60 825 for Class 1 laser products.
When a CD-ROM drive is installed, note the following.
16 ThinkPad i Series 1400/1500 HMM
CAUTION:
Use of controls or adjustments or performance of procedures other than those specified herein might result
in hazardous radiation exposure.
O uso de controles, ajustes ou desempenho de
procedimentos diferentes daqueles aqui especificados
pode resultar em perigosa exposição à radiação.
Pour éviter tout risque d'exposition au rayon laser,
respectez les consignes de réglage et d'utilisation des
commandes, ainsi que les procédures décrites.
Werden Steuer- und Einstellelemente anders als hier
festgesetzt verwendet, kann gefährliche
Laserstrahlung auftreten.
L'utilizzo di controlli, regolazioni o l'esecuzione di procedure diverse da quelle specificate possono
provocare l'esposizione a
El uso de controles o ajustes o la ejecución de
procedimientos distintos de los aquí especificados
puede provocar la exposición a radiaciones
peligrosas.
Opening the CD-ROM drive could result in exposure to
hazardous laser radiation. There are no serviceable parts
inside the CD-ROM drive. Do not open.
Some CD-ROM drives contain an embedded Class 3A or
Class 3B laser diode. Note the following.
ThinkPad i Series 1400/1500
17
DANGER
Laser radiation when open. Do not stare into
the beam, do not view directly with optical
instruments, and avoid direct exposure to the
beam.
Radiação por raio laser ao abrir. Não olhe
fixo no feixe de luz, não olhe diretamente por
meio de instrumentos óticos e evite
exposição direta com o feixe de luz.
Rayonnement laser si carter ouvert. Évitez de
fixer le faisceau, de le regarder directement
avec des instruments optiques, ou de vous
exposer au rayon.
Laserstrahlung bei geöffnetem Gerät. Nicht
direkt oder über optische Instrumente in den
Laserstrahl sehen und den Strahlungsbereich
meiden.
Kinyitáskor lézersugár ! Ne nézzen bele se
szabad szemmel, se optikai eszközökkel.
KerÎlje a sugárnyalábbal való érintkezést !
Aprendo l'unità vengono emesse radiazioni
laser. Non fissare il fascio, non guardarlo
direttamente con strumenti ottici e evitare
l'esposizione diretta al fascio.
Radiación láser al abrir. No mire fijamente ni
examine con instrumental óptico el haz de
luz. Evite la exposición directa al haz.
18 ThinkPad i Series 1400/1500 HMM
Read this first
Before you go to the check procedures, be sure to read
this section.
Important Notes
Only certified trained personnel should service
the computer.
Read the entire FRU service procedures before
replacing any FRUs.
Use new nylon-coated screws when you replace
FRUs.
Be extremely careful during write operations such
as copying, saving, or formatting. Drives in the
computer that you are servicing might have been
rearranged or the drive startup sequence might have
been altered. If you select an incorrect drive, data or
programs could be overwritten.
Replace FRUs only for the correct model. When
you replace a FRU, make sure that the model of the
machine and FRU part number are correct by referring to the FRU parts list.
A FRU should not be replaced because of a
single, unreproducible failure. Single failure can
occur for a variety of reasons that have nothing to do
with a hardware defect, such as: cosmic radiation,
electrostatic discharge, or software error. FRU
replacement should be considered only when a recurring problem exists. In this case, clear the error log
and run the test again. Do not replace FRUs if log
errors do not reappear.
Be careful not to replace a non-defective FRU.
What to do first
The servicer must include the following in the parts
exchange form or parts return form that is attached to the
returned FRU:
1. Name and phone number of servicer
2. Date of service
3. Date when part failed
4. Date of purchase
5. Failure symptoms, error codes appearing on display,
and beep symptoms
6. Procedure index and page number in which failing
FRU was detected
7. Failing FRU name and part number
8. Machine type, model number and serial number
9. Customer's name and address
ThinkPad i Series 1400/1500
19
Before checking problems with the computer, determine
whether the damage is covered under the warranty by
referring to the following:
Note for Warranty:
For Warranty:
During the warranty period, the customer may be
responsible for repair costs if the computer damage
was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper
maintenance by the customer. The following list provides some common items that are not covered under
warranty and some symptoms that may indicate the
system was subjected to stresses beyond normal use.
The following is not covered under warranty:
LCD panel cracked by applying excessive force
or by being dropped.
Scratched (cosmetic) parts.
Cracked or broken plastic parts, broken latches,
broken pins, or broken connectors caused by
excessive force.
Damage caused by liquid spilled into the system.
Damage caused by improperly inserting a PC
Card or installation of an incompatible card.
Damage caused by foreign material in the FDD.
Diskette drive damage caused by pressing the
diskette drive cover or inserting diskettes with
multiple labels.
Damaged or bent diskette drive eject button.
CD-ROM/DVD-ROM drive damage caused by
excessive force, shock, or by being dropped.
Fuses blown by attaching a nonsupported device.
Forgotten computer password (making the com-
puter unusable).
The following symptoms might indicate damage
caused by non-warranted activities:
Missing parts may be a symptom of unauthorized
service or modification.
HDD spindles can become noisy if subjected to
excessive force or by being dropped.
I9990303 errors can be caused by exposure to
strong magnetic fields.
20 ThinkPad i Series 1400/1500 HMM
FRU replacement notices
This section contains notices for removal and replacement.
Read this section carefully before replacing any FRU.
LCD replacement notice
The TFT LCD for the computer contains many thin-film
transistors (TFTs). A small number of missing, discolored,
or lighted dots (on all the time) is characteristic of TFT
LCD technology, but excessive pixel problems can cause
viewing concerns. The LCD should be replaced if the
number of missing, discolored, or lighted dots in any background is:
SVGA (12.1"): 5 or more bright dots, 5 or more dark
dots, or a total of 9 or more bright and dark dots.
XGA (14.1"/15.0"): 8 or more bright dots, 8 or more
dark dots, or a total of 9 or more bright and dark dots.
Screw notices
This computer uses special nylon-coated screws with the
following characteristics:
They maintain tight connections.
They do not easily come loose, even with shock or
vibration.
They need additional force to tighten.
They should be used only once.
Do the following when you service this machine:
Keep the screw kit (P/N 08K5877) in your tool bag.
Always use new screws if you are instructed.
Use a torque screwdriver if you have one.
Loose screws can cause a reliability problem. The IBM
ThinkPad computer addresses this problem with nyloncoated screws. Tighten screws as follows:
Plastic to plastic
Turn an additional 90 degrees after the screw head
touches the surface of the plastic part:
Logic card to plastic
ThinkPad i Series 1400/1500
21
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