IBM 2611-435, 2611-451, 2611-410, 2611-434, 2611-450 Hardware Maintenance Manual

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S10L-9952-02

IBM Mobile Systems

ThinkPad i Series 1400 (2611)

Hardware Maintenance Manual

August 1999

Before using this information and the product it supports, be sure to read the general information under “Introduction” on page 1, “Read This First” on page 20 (for Part I), and “Read This First” on page 106 (for Part II).

Third Edition (August 1999)

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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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.

ernment 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 (2611) 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, refer-

ence, and product-specific parts information.

– Part I (begins on page 19) covers the following

ThinkPad i Series 1400 models: 2611-411, 2611-435, 2611-451, 2611-410, 2611-434, 2611-450, 2611-436-JP

– Part II (begins on page 105) covers the following

ThinkPad i Series 1400 models: 2611-472, 2611-452, 2611-412, 2611-476, 2611-456, 2611-40M, 2611-40A, 2611-49M, 2611-43M, 2611-40T, 2611-49A, 2611-43A, 2611-40C, 2611-49T, 2611-43T, 2611-40H, 2611-49C, 2611-43C, 2611-40K, 2611-49H, 2611-43H, 2611-40F, 2611-49K, 2611-43K, 2611-49F, 2611-47F

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 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)

30H2356, S82G-1501-01

Preface iii

Related Diskettes

The following diskettes are available through IBM or your IBM Authorized Dealer.

Publication Part, Form Number

Mobile Systems HMM Volume 2: ThinkPad Computers (Models 340, 355, 360, 370, 700, 701, 720, 750, 755)

30H2357, S82G-1502-03

Mobile Systems HMM Volume 3: ThinkPad Computers (Models 365, 380, 385, 560, 760, SelectaDock)

84H8099, S82G-1503-05

Mobile Systems HMM Volume 4: ThinkPad Computers (Models 380, 385, 560, 760, 765)

05L1271, S05L-1270-01

Diskette Part, Form Number

ThinkPad 300 (2615) Advanced Diagnostics Diskette

33G9361, S33G-9361

ThinkPad 350, 350C, 425, 425C (2618) Advanced Diagnostics Diskette

A211000, GA21-1000

ThinkPad 365 (2625) Advanced Diagnostics Diskette

76H7578, S30H-2498

ThinkPad 380/385 (2635) Maintenance Diskette

06J0333, S06J-0333

ThinkPad 500 (2603) Advanced Diagnostics Diskette

71G3702, S71G-3702

ThinkPad 510 (2604) Advanced Diagnostics Diskette

83G8095, S83G-8095

ThinkPad 700 (9552) Reference Diskette

42G2017, S42G-2017

ThinkPad 700C (9552) Reference Diskette

42G2023, S42G-2023

ThinkPad 720/720C (9552) Reference Diskette

61G1194, S61G-1194

ThinkPad i Series 1400 (2611) Diagnostic and Utilities diskettes

01K4841, S01K-4841-00

ThinkPad Hardware Maintenance Diskette (for all Models 355, 360, 560, 750, 755, 760)

78H5384, S78H-5384

ThinkPad Dock I (3545) 71G4140, S71G-4140 Docking Station (3550) 42G2428, S42G-2428 Data/Fax Modem 61G1556, S61G-1556 FaxConcentrator/A 84F8540, S84F-8540

iv ThinkPad i Series 1400 HMM

Contents

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

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

Important Service Information ........... 1

FRU Replacement Strategy .......... 1

Hard Disk Drive Replacement Strategy: ..... 2

How to Use Error Messages .......... 2

How to Read POST Error Messages ...... 2

Drive and Diskette Compatibility Matrix ....... 3

Safety Notices (Multi-lingual Translations) ..... 4

Safety Information . . . . . . . . . . . . . . . . 11

General Safety . . . . . . . . . . . . . . . . 11

Electrical Safety . . . . . . . . . . . . . . . . 12

Safety Inspection Guide ............ 13

Handling Electrostatic Discharge-Sensitive Devices 14

Grounding Requirements . . . . . . . . . . . . 15

Laser Compliance Statement ........... 16

ThinkPad i Series 1400 Hardware Maintenance

Manual (Part I) ................. 19

Read This First .................. 20

How to Use Error Messages .......... 20

How to Diagnose Mulitple FRUs ........ 20

What to Do First ................ 20

Screw Notices . . . . . . . . . . . . . . . . . 22

Power-On and Setup Password .......... 23

Check Procedures . . . . . . . . . . . . . . . . 24

Power Systems Check ............. 25

System Board Check ............. 27

Memory Check . . . . . . . . . . . . . . . . 27

Keyboard and External Input Device Check . . . 28

Audio Function Check ............. 29

TrackPoint IV Check .............. 29

Diskette Drive Check .............. 30

CD-ROM Drive Check ............. 30

Modem Board Check ............. 31

BIOS Utility . . . . . . . . . . . . . . . . . . . . 32

Navigating the BIOS Utility ........... 33

Power Management Features ........... 34

Screen Blanking Mode ............. 34

Standby Mode . . . . . . . . . . . . . . . . . 34

Hibernation Mode . . . . . . . . . . . . . . . 35

Symptom-to-FRU Index . . . . . . . . . . . . . . 36

Numeric Error Codes and Messages ...... 36

Beep Symptoms . . . . . . . . . . . . . . . . 38

No Beep Symptoms .............. 38

Keyboard/TrackPoint-Related Symptoms . . . . 40

LCD-Related Symptoms . . . . . . . . . . . . 40

Indicator-Related Symptoms . . . . . . . . . . 41

Power-Related Symptoms . . . . . . . . . . . 42

Memory-Related Symptoms . . . . . . . . . . 42

Contents v

Audio-Related Symptoms . . . . . . . . . . . 43

PC Card (PCMCIA)-Related Symptoms ..... 43

Power Management-Related Symptoms ..... 43

Peripheral-Device-Related Symptom . . . . . . 44

Modem-Related Symptoms . . . . . . . . . . . 44

Intermittent Problems . . . . . . . . . . . . . 45

Undetermined Problems . . . . . . . . . . . . 45

Related Service Procedures ............ 47

Flash Memory Update ............. 47

Status Indicators . . . . . . . . . . . . . . . . 47

Power Switch . . . . . . . . . . . . . . . . . 49

Diagnostic Program Diskette .......... 49

Utility Program Diskette ............ 54

Fn Key Combinations ............. 55

Product Overview . . . . . . . . . . . . . . . . . 56

FRU Removals and Replacements ......... 57

Before FRU Removals and Replacements .... 59

Battery Assembly . . . . . . . . . . . . . . . 60

DIMM and DIMM Cover ............ 61

Modem Board Cover and Modem Board .... 62

Keyboard . . . . . . . . . . . . . . . . . . . 63

Hard Disk Drive and HDD Heatsink ....... 65

Hard Disk Drive ................ 66

PCMCIA Holder . . . . . . . . . . . . . . . . 67

TrackPoint Board . . . . . . . . . . . . . . . 68

Processor Heatsink . . . . . . . . . . . . . . 69

Processor EMI Bracket and Processor Board . . 70

RTC Battery (Backup Battery) ......... 71

LCD Assembly ................. 72

Upper Cover (Keyboard Bezel) ......... 73

CD Control Card ................ 75

Modem Connector (RJ11 Cable Assembly) . . . 76

DC/DC Charger . . . . . . . . . . . . . . . . 77

Audio Cable and Speaker Cable ........ 78

Audio PCB . . . . . . . . . . . . . . . . . . 79

Fan Assembly . . . . . . . . . . . . . . . . . 80

Audio Connection Board ............ 81

Diskette and CD-ROM Drives Assembly ..... 82

System Board . . . . . . . . . . . . . . . . . 85

LCD Front Cover ............... 86

Speakers . . . . . . . . . . . . . . . . . . . 87

Inverter . . . . . . . . . . . . . . . . . . . . 88

Indicator Board and Microphone Cable Assembly 89

Hinge . . . . . . . . . . . . . . . . . . . . . 90

LCD Panel and LCD Cable ........... 91

Locations . . . . . . . . . . . . . . . . . . . . . 93

Front View . . . . . . . . . . . . . . . . . . 93

Bottom View . . . . . . . . . . . . . . . . . . 94

Rear View . . . . . . . . . . . . . . . . . . . 94

Switch Locations . . . . . . . . . . . . . . . . 95

System Unit Parts Listing ............. 96

LCD Unit Parts Listing ............... 99

12.1" LCD Unit Parts Listing .......... 99

13.3" LCD Unit Parts Listing ......... 101

vi ThinkPad i Series 1400 HMM

Miscellaneous Parts . . . . . . . . . . . . . . . 103

Service Tools . . . . . . . . . . . . . . . . . . 103

Others . . . . . . . . . . . . . . . . . . . . . 104

ThinkPad i Series 1400 Hardware Maintenance

Manual (Part II) ................ 105

Read This First ................. 106

How to Use Error Messages ......... 106

How to Diagnose Mulitple FRUs ....... 106

What to Do First ............... 106

Screw Notices . . . . . . . . . . . . . . . . 108

Power-On and Setup Password ......... 109

Check Procedures . . . . . . . . . . . . . . . 110

Power Systems Check ............ 111

System Board Check ............ 113

Memory Check . . . . . . . . . . . . . . . 113

Keyboard and External Input Device Check . . 114

Audio Function Check ............ 115

TrackPoint IV Check ............. 115

Diskette Drive Check ............. 116

CD-ROM/DVD-ROM Drive Check ....... 116

Modem Board Check ............ 117

BIOS Utility . . . . . . . . . . . . . . . . . . . 118

Navigating the BIOS Utility .......... 119

Power Management Features .......... 120

Screen Blanking Mode ............ 120

Standby Mode . . . . . . . . . . . . . . . . 120

Hibernation Mode . . . . . . . . . . . . . . 121

Symptom-to-FRU Index . . . . . . . . . . . . . 122

Numeric Error Codes and Messages ..... 122

Beep Symptoms . . . . . . . . . . . . . . . 124

No Beep Symptoms ............. 124

Keyboard/TrackPoint-Related Symptoms . . . 125

LCD-Related Symptoms . . . . . . . . . . . 125

Indicator-Related Symptoms . . . . . . . . . 128

Power-Related Symptoms . . . . . . . . . . 128

Memory-Related Symptoms . . . . . . . . . 128

Audio-Related Symptoms . . . . . . . . . . 129

PC Card (PCMCIA)-Related Symptoms .... 129

Power Management-Related Symptoms .... 129

Peripheral Device-Related Symptoms ..... 130

Modem-Related Symptoms . . . . . . . . . . 131

Intermittent Problems . . . . . . . . . . . . 131

Undetermined Problems . . . . . . . . . . . 131

Related Service Procedures ........... 133

Flash Memory Update ............ 133

Status Indicators . . . . . . . . . . . . . . . 133

Power Switch . . . . . . . . . . . . . . . . 135

Diagnostic Program Diskette ......... 135

Maintenance Program Diskette ........ 136

Fn Key Combinations ............ 138

Product Overview . . . . . . . . . . . . . . . . 139

FRU Removals and Replacements ........ 140

Before FRU Removals and Replacements . . . 141 Contents vii

Battery Assembly . . . . . . . . . . . . . . 142

DIMM and DIMM Cover ........... 143

Modem Board Cover and Modem Board . . . 144

Keyboard . . . . . . . . . . . . . . . . . . 145

Processor Thermal Plate ........... 147

RTC Battery, Processor EMI Shield and Hard Disk

Drive . . . . . . . . . . . . . . . . . . . 148

PCMCIA Holder . . . . . . . . . . . . . . . 150

LCD Assembly ................ 151

Upper Cover (Keyboard Bezel) ........ 153

CD Control Card ............... 155

TrackPoint Board and Modem Connector (RJ11

Cable Assembly) . . . . . . . . . . . . . . 156

DC/DC Charger . . . . . . . . . . . . . . . 157

Audio Connector Board and S-Video PCB . . . 158

Audio Cable and Speaker Cable ....... 159

Audio PCB . . . . . . . . . . . . . . . . . 161

Fan Assembly . . . . . . . . . . . . . . . . 162

Diskette and CD-ROM/DVD-ROM Drives

Assembly . . . . . . . . . . . . . . . . . 163

System Board . . . . . . . . . . . . . . . . 166

LCD Front Cover (12.1-inch) ......... 167

LCD Front Cover (14.1-inch) ......... 172

Locations . . . . . . . . . . . . . . . . . . . . 178

Front View . . . . . . . . . . . . . . . . . 178

Bottom View . . . . . . . . . . . . . . . . . 179

Rear View . . . . . . . . . . . . . . . . . . 179

Switch Locations . . . . . . . . . . . . . . . 180

System Unit Parts Listing ............ 181

LCD Unit Parts Listing .............. 186

12.1" LCD Unit Parts Listing ......... 186

14.1" LCD Unit Parts Listing ......... 188

Miscellaneous Parts . . . . . . . . . . . . . . . 190

Telephone/Modem . . . . . . . . . . . . . . . 191

Power Cord . . . . . . . . . . . . . . . . . . 192

Notices . . . . . . . . . . . . . . . . . . . . 193

Trademarks . . . . . . . . . . . . . . . . . . 195

viii ThinkPad i Series 1400 HMM

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

Introduction 1

settings. Note the current configuration settings (using the 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.

2 ThinkPad i Series 1400 HMM

Drive and Diskette Compatibility Matrix

The following table provides identification information for

3.5-inch drives.

The following table provides compatibility information for

3.5-inch diskettes and 3.5-inch diskette drives.

The following table provides identification information for

5.25-inch diskette drives.

The following table provides compatibility information for

5.25-inch diskettes and 5.25-inch diskette drives.

Note: A 360KB diskette written to or formatted on a

1.2MB drive can be read reliably only on a 1.2MB drive.

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

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

Diskette Drive Identifying Mark

5.25-Inch - 360KB (External) Asterisk on bezel

5.25-Inch - 1.2MB (Internal) 1.2 on the eject button

Diskette Capacity 360KB Drive 1.2MB Drive

360KB Read/Write Read/Write

1.2MB Not Compatible Read/Write

Introduction 3

Safety Notices (Multi-lingual Translations)

In this manual, safety notices appear in English with a page number reference to the appropriate multi-lingual, translated safety notice found in this section.

The following safety notices are provided in English, French, German, Italian, and Spanish languages.

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 pi ces 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 gepr¾ft 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.

4 ThinkPad i Series 1400 HMM

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 f¾r 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.

Introduction 5

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 f¾r 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.

6 ThinkPad i Series 1400 HMM

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.

Introduction 7

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.

8 ThinkPad i Series 1400 HMM

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.

Introduction 9

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 unitˆ 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.

10 ThinkPad i Series 1400 HMM

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.

Do not attempt to lift any 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.

 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.

Introduction

 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 – 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.

12 ThinkPad i Series 1400 HMM

– 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 – 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:

Introduction

 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.

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.

14 ThinkPad i Series 1400 HMM

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.

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.

Introduction

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.

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

16 ThinkPad i Series 1400 HMM

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.

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. Ker¾lje 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.

Introduction

18 ThinkPad i Series 1400 HMM

ThinkPad i Series 1400 Hardware Maintenance Manual (Part I)

Part I of this Hardware Maintenance Manual covers the following ThinkPad i Series 1400 computer models:

 2611-410  2611-411  2611-434  2611-435  2611-436-JP  2611-450  2611-451

ThinkPad i Series 1400 (Part I)

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 FRU service procedures before

replacing any 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.

 Ensure that you replace FRUs with the appro-

priate model. When you replace the FRU, make sure that the model of the machine and FRU part number are correct by referring to the part list.

 FRUs 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.

How to Use Error Messages

How to Diagnose Mulitple FRUs

If the adapter or device has more than one FRU, the error code could be caused by either FRU. Before replacing multiple FRUs, try removing or exhanging each FRU one by one in the designated sequence, to see if the symptoms change.

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.

20 ThinkPad i Series 1400 HMM

2. Date of service.

3. Date when part failed.

4. Date of purchase.

5. Failure symptoms, error codes apperaing 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.

Before checking problems with the computer, determine whether or not the damage applies to the warranty by referring to the following:

Note for Warranty: Durign 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 PCMCIA

card or installation of an incompatible card.

 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 drive damage caused by excessive force,

shock, or by being dropped.

 Fuses blown by attaching a nonsupported device.  Forgotten computer password (making computer

unusable).

If the following symptoms are present, they may indicate damage caused by by non-warranted activity:

 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.

ThinkPad i Series 1400 (Part I) 21

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 05K4841) 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

Turn an additional 180 degrees after the screw head touches the surface of the plastic part:

 Torque driver

If you have a torque driver, refer to the "Torque" column with each step.

 Make sure you use the correct screw, and tighten all

screws firmly to the torque shown in the table if you have a torque screwdriver. Never use a screw that

you removed. Use a new one. Make sure the screws are tightened firmly.

22 ThinkPad i Series 1400 HMM

Power-On and Setup Password

To clear a password from the system, first identify the system password switch by referring to “Switch Locations” on page 95, then follow these steps:

1. Turn off the computer.

2. Unplug the AC Adapter and remove the battery.

3. Remove the keyboard by referring to “Keyboard” on page 63, and the thermal plate by referring to “Hard Disk Drive and HDD Heatsink” on page 65.

4. Move the password switch (SW2, switch 2) from OFF to ON to bypass the password.

Note: SW2 has four switches, the second upper

switch (switch 2) is the password bypass/check switch. Turning the switch to the left (ON position) is "bypass password"; the right (OFF position) is "check password". Refer to “Switch Locations” on page 95.

5. Plug in the AC adapter and turn on the system.

6. While the ThinkPad logo is being displayed, wait for a beep before pressing F1 to enter the BIOS Utility.

7. Select "System Security" from the BIOS Utility main menu and press Enter.

8. Set the "Power-On Password" setting to None‘ to clear the password.

9. Save and exit the BIOS Utility.

10. Turn off the system and unplug the AC Adapter.

11. Move the password switch from ON to OFF to enable the password function.

12. Reinstall the thermal plate and keyboard.

13. Reinstall the battery pack and plug in the AC Adapter.

To use the password function again, enter the BIOS Utility and set a password.

ThinkPad i Series 1400 (Part I)

Check Procedures

Use the following procedure as a guide for computer problems.

Notes:

1. The diagnostic tests are intended to test only IBM products. Non-IBM products, prototype cards, or modified options can give false errors and invalid system responses.

2. Some test items require tools as shown below:

 Audio Wrap cable (P/N: 66G5180)  Eraseable 2HD diskette  Parallel Wrap plug (P/N: 72X8546)  Parallel test cable (P/N: 05K2580)  Serial Wrap plug (P/N: 72X8546)  Screwdriver Kit (P/N: 95F3598)  Screwdriver Kit (P/N: 05K4693)  Torque Screwdriver (P/N: 05K4695)  5mm Socket Wrench (P/N: 05K4694)  PCMCIA: PC test card (P/N: 35G4703)  CD-ROM: Any data and audio CDs  ThinkPad i Series 1400 Diagnostics Diskette

(P/N: 01K4841)

 ThinkPad i Series 1400 Utility Diskette (P/N:

01K4842)

1. Obtain the failing symptoms in as much detail as possible.

2. Verify the symptoms by attempting to recreate the failure by running the diagnostic test or by repeating the same operation.

3. Use the following table with the verified symptom to determine which page to go to. Search the symptoms column and find the description that best matches your symptom; then go to the page shown in the "Go to" column.

Symptoms (Verified) Go to

Power failure. (The power-on indicator does not go on or stay on.)

“Power Systems Check” on page 25, then use table in “Power-Related Symptoms” on page 42.

POST does not complete. No beeps or error codes/messages are indicated.

“Symptom-to-FRU Index” on page 36, then use table in “No Beep Symptoms” on page 38.

POST detected an error and displayed numeric error code with error message.

“Symptom-to-FRU Index” on page 36.

24 ThinkPad i Series 1400 HMM

Symptoms (Verified) Go to

Other symptoms Appropriate check

instructions in this section, then use appropriate tables in “Symptom-to-FRU Index” on page 36.

Power Systems Check

To verify the symptom of the problem power on the computer using each of the power sources as follows:

1. Remove the battery pack, diskette drive, and hard disk drive.

2. Connect the AC Adapter and check that power is supplied.

3. Install the diskette drive or hard disk drive one at a time, and chekc that power is uspplied from each power source.

If you suspect a power problem, refer the the appropriate power supply check listed below:

 “Checking the AC Adapter”  “Checking the Operational Charging” on page 26  “Checking the Battery Pack” on page 26

Checking the AC Adapter: If the computer fails

only when the AC Adapter is used or if the power-on indicator of the AC Adapter does not turn on, make sure of the following:

 Power cord is not damaged.  Power cord is securely connected to the AC Adapter

and AC power outlet.

If the above confirmation does not solve the problem, replace the AC Adapter.

If the power-on indicator of the AC Adapter is on, then proceed to the next step.

1. Unplug the AC Adapter cable from the computer and measure the output voltage at the plug of the AC Adapter cable.

Pin Voltage (V dc)

1 19.0 20.5 2 Ground

ThinkPad i Series 1400 (Part I) 25

 If the measured voltage is correct, replace the

system board.

 If the problems still persist, go to “Undetermined

Problems” on page 45.

 If the voltage is not correct, go to the next step.

2. Unplug the AC Adapter cable from the AC power outlet and wait for five minutes or longer to allow the over-voltage protection circuit of the AC Adapter to be fully discharged and initialized.

3. Plug the AC Adapter cable into the AC power outlet.

4. Measure the output voltage of the AC Adapter.

5. If the voltage is still not correct, replace the AC Adapter.

Note: An audible noise from the AC Adapter does not

always indicate a defective adapter.

Checking the Operational Charging: To

check operational charging, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.

Perform operational charging:

1. If the battery indicator does not turn on, remove the battery pack and leave it to return to room temperature.

2. Reinstall the battery pack. If the charge indicator still does not turn on, replace the battery pack.

Checking the Battery Pack: To check the

battery pack, do the following:

1. Power off the computer.

2. Remove the battery pack and measure the voltage between battery terminals 2(+) and 7(-). See the following figure:

Terminal Signal / Voltage (V dc)

1 Sense 2 Power ( > 8 V dc)

26 ThinkPad i Series 1400 HMM

Note: Signal lines, not used in these steps, are used

for communications between the system and the battery.

3. If the voltage is less than +8 V dc, recharge the battery pack.

If the voltage is still less than +8 V dc after recharging, replace the battery.

Terminal Signal / Voltage (V dc)

3 Reserved 4 Reserved 5 Thermal 6 Sense 7 Ground

System Board Check

The system board performs processing functions. Thus, the system board can cause processor problems. To verify the problem, do the following:

1. Boot from the diagnostics diskette and start the PQA program (please refer to “Running the PQA Diagnostics Program” on page 49).

2. Run the System Board test to verify the symptom. This test verifies both the system board and the processor board.

If the tests detect a system board problem, replace the system board.

Note: Don't touch the keyboard and pointing device when

the system board test is running. This may cause an unexpected error.

Memory Check

DIMM are available for increasing memory capacity.

DIMM DIMM Total Memory

32MB 0MB 32MB 0MB 32MB 32MB 32MB 32MB 64MB 64MB 0MB 64MB 0MB 64MB 64MB 64MB 32MB 96MB 32MB 64MB 96MB 64MB 64MB 128MB 128MB 0MB 128MB 0MB 128MB 128MB 128MB 32MB 160MB

ThinkPad i Series 1400 (Part I) 27

CAUTION: This system cannot work without DIMM memory.

Memory errors might stop system operation, show error messages on the screen, or hang the system.

Use the following procedure to isolate memory problems: Note: Make sure that the DIMM is properly installed into

the connector. A loose connection can cause an error.

1. Power off the computer and replace the DIMM.

2. Boot from the diagnostics diskette and start the PQA program (please refer to “Running the PQA Diagnostics Program” on page 49).

3. Run the Memory item to run the memory test.

If no error appears, install a new DIMM; if an error appears, replace the system board.

DIMM DIMM Total Memory

32MB 128MB 160MB 128MB 64MB 192MB 64MB 128MB 192MB 128MB 128MB 256MB

Keyboard and External Input Device Check

Note: If an external keyboard is attached, remove it if the

internal keyboard has to be tested.

If the internal keyboard does not work or an unexpected character appears, make sure that the flexible cable extending from the keyboard is correctly seated in the connector on the TrackPoint board.

If the tests do not detect a keyboard problem, run the Keyboard test by doing the following:

1. Boot from the diagnostics diskette and start the PQA program (please refer to “Running the PQA Diagnostics Program” on page 49).

2. Go to Diag and select Manual Test, then choose Keyboard from the Test Item and press F2 to execute.

3. Check that when each key is pressed, the key's position on the keyboard layout on the screen changes to a black square.

Note: Press Y+Enter to close the test. If the test detects a keyboard problem, do the following

one at a time to correct the problem. Do not replace a nondefective FRU.

 Ensure the keyboard switch is correctly set.

28 ThinkPad i Series 1400 HMM

 Reconnect the keyboard flexible cables.  Replace the TrackPoint board.  Replace the keyboard.  Replace the system board.

The following external input devices are supported for this computer:

 Numeric keypad

 Mouse (PS/2 compatible)

 Keyboard If any of these devices do not work, reconnect the cable

connector and repeat the failing operation. If the problem still exists, replace the device, and then the

system board.

Audio Function Check

Do as follows:

1. Boot from the diagnostics diskette and start the PQA program (please refer to “Running the PQA Diagnostics Program” on page 49).

2. If the test detects an audio board problem, do the following actions, one at a time, to correct the problem. Do not replace a non-defective FRU.

 Check the speaker and the speaker connections.  Replace the Audio I/O board.  Replace the Audio and Battery Function Con-

nection Board.

 Replace the system board.

TrackPoint IV Check

The TrackPoint does automatic compensations to adjust the pointer sensor. During this process, the pointer moves on the screen automatically for a short time. This selfacting pointer movement can occur when a slight, steady pressure is applied to the TrackPoint pointer while the computer is powered on or while the system is running, or when readjustment is required because the temperature has exceeded its normal temperature range. This symptom does not indicate a hardware problem. No service actions are necessary if the pointer movement stops in a short period of time.

If a click button problem or pointing stick problem occurs, do the following:

1. Boot from the diagnostics diskette and start the PQA program (please refer to “Running the PQA Diagnostics Program” on page 49).

ThinkPad i Series 1400 (Part I)

2. Go to Diag and select Manual Test, then choose Pointing Dev. from the Test Item and press F2 to

execute.

If either the pointing stick or the click button does not work, do the following actions one a time to correct the problem. Do not replace a non-defective FRU.

1. Reconnect the keyboard flexible cables and the TrackPoint flexible cable.

2. Replace the TrackPoint board.

3. Replace the keyboard.

4. Replace the system board.

Diskette Drive Check

Do the following to isolate the problem to a controller, drive, or diskette. A scratch, write-enabled, non-defective, high-density (2HD) diskette is required.

CAUTION: Make sure that the diskette does not have more than one label attached to it. Multiple labels can cause damage to the drive or can cause the drive to fail.

Do the following to select the test device:

1. Boot from the diagnostics diskette and start the PQA program (please refer to “Running the PQA Diagnostics Program” on page 49).

2. Go to Diag and select Manual Test, then choose Diskette Drive from the Test Item and press F2 to execute.

If an error occurs with the internal diskette drive, reconnect the connector on the system board.

If the error still remains:

1. Reconnect the diskette drive cable.

2. Replace the diskette drive cable.

3. Replace the diskette drive.

4. Replace the system board.

CD-ROM Drive Check

Do the following to isolate the problem to a controller, drive, or CD-ROM. Make sure that the CD-ROM disc does not have any label attached to it. The label can cause damage to the drive or can cause the drive to fail.

Do the following to select the test device:

1. Boot from the diagnostics diskette and start the PQA program (please refer to “Running the PQA Diagnostics Program” on page 49).

2. Go to Diag and select Manual Test, then choose

CD-ROM from the Test Item and press F2 to execute.

30 ThinkPad i Series 1400 HMM

If an error occurs, reconnect the connector on the system board.

If the error still remains:

1. Reconnect the CD-ROM drive cable.

2. Replace the CD-ROM drive cable.

3. Replace the CD-ROM drive.

4. Replace the system board.

Modem Board Check

Do the following to isolate the problem to the system internal modem:

1. Boot from the diagnostics diskette and start the PQA program (please refer to “Running the PQA Diagnostics Program” on page 49).

2. Follow the instructions on the screen to complete the test.

If an error occurs with the internal modem, do the following:

1. Change another telephone line and test again.

2. Re-plug the telephone connector.

3. Reconnect the modem board.

4. Replace the modem connector.

5. Replace the system board.

ThinkPad i Series 1400 (Part I)

BIOS Utility

Your computer has a BIOS Utility that allows you to configure the computer an its hardware settings.

Note: The computer is also bundled with a Windows-

based computer management utility called the Notebook Manager that is similar in function with the BIOS Utility.

The computer is already correctly configured for you. If you make any changes to the computer or you receive an Equipment Configuration Error message (error code 246) after you turn on the computer, you need to run the BIOS Utility.

The BIOS Utility has the following functions:

 Change the system date or time  Set the power-saving modes and timers  Set, change, or remove a system password  Change the system boot drive or display device  Add or remove serial and parallel devices  Set the video display features

While the ThinkPad logo is being displayed, wait for a beep before pressing F1 to enter the BIOS Utility. The main screen displays (as shown below).

Note: If the Setup password is set, you need to enter the

Setup password to gain access to the BIOS Utility.

There are six main menu items:

 Basic System Settings

 Startup Configuration

 Onboard Devices Configuration

32 ThinkPad i Series 1400 HMM

 System Security  Power Management

 Load Setup Default Settings

Navigating the BIOS Utility

Keep in mind the following when using the BIOS Utility:

 From the main menu screen, press the up or down

arrow keys to move from one menu item to another; then press Enter to enter the selected menu.

 Parameters displayed in low brightness (grayed out)

are not user-configurable. The computer detects and sets the values for these parameters.

 Press the up or down arrow keys to move from one

parameter to another. Press the left or right arrow keys to change parameter settings. You have to change some settings when you add a component to the computer.

 Most of the parameters are self-explanatory.  To exit a main menu item, press Esc.  When you press Esc to exit the BIOS Utility from the

main menu screen, the following prompt appears:

Select Yes to save the changes you made to the configuration values or No to abandon the changes and retain the current values.

ThinkPad i Series 1400 (Part I)

Power Management Features

Two power management modes are available in the computer system to reduce power consumption and to prolong battery life.

Screen Blanking Mode

When in screen blanking mode, the following occurs:

 The LCD backlight turns off.

Events that cause the computer to enter standby mode:

 Screen blanking requested by the Fn key (Fn+F3).

Standby Mode

When in standby mode, the following occurs:

 The LCD backlight turns off.  The hard disk motor stops.  Processor stops the clock.

Events that cause the computer to enter standby mode: Note: The standby mode indicator turns on when system

is in standby mode.

 Standby requested by the Fn key (Fn+F4).  The LCD is closed (if the "Will not Enter Standby

Even if the Lid is Closed" parameter in the Power Management menu of the BIOS Utility is set to [Enabled]).

 The system (keyboard, mouse, hard disk drive, par-

allel connector, or diskette drive, etc.) is idle for a certain period of time.

 The battery power is critically-low. The "Sleep upon

Battery-low" in the Power Management menu of the BIOS Utility is set to [Enabled]. Sleep Manager is not installed and the hibernation file is not present or invalid.

Note: Before entering standby mode, if "Battery-low

Warning Beep" in the Power Management menu of the BIOS Utility is set to [Enabled], four short beeps will be issued every minute for three minutes. If a powered AC Adapter is not attached, then the beeps will be continuously issued every minute until the system shuts down.

Events that cause the computer to exit standby mode:

 The LCD is opened (if the system entered standby

mode from closing the lid).

 A serial or PCMCIA device signals the modem ring

indicator (RI).

 Any key or pointing device operation.

34 ThinkPad i Series 1400 HMM

Note: If the computer enters standby mode and the com-

puter is using a communication or I/O PC Card, the PC Card and application program remain active.

Hibernation Mode

When in hibernation mode, the following occurs:

 The system status, RAM, VRAM, and setup data are

stored on the hard disk.

 The system is powered off.

Events that cause the computer to enter hibernation mode:

 Function combination key (Fn+F12) is pressed.  The battery power is at a critically-low level.

Note: Before entering standby mode, if "Battery-low

Warning Beep" in the Power Management menu of the BIOS Utility is set to [Enabled], four short beeps will be issued every minute for three minutes.

 The system (keyboard, mouse, hard disk drive, par-

allel connector, or diskette drive, etc.) is idle for a certain period of time.

Note: The computer cannot enter hibernation mode when

the computer is using a communication or I/O PC Card.

Events that cause the computer to exit hibernation mode:

 The power-on switch is operated.

When power is turned on, the hibernation history in the boot record on the hard disk is recognized and the system status is restored from the hard disk to resume operation.

ThinkPad i Series 1400 (Part I) 35

Symptom-to-FRU Index

The Symptom-to-FRU Index lists the symptoms and errors and the possible causes. The most likely cause is listed first.

Note: Perform the FRU replacement or actions in the

sequence shown in the FRU/Action columns. If a FRU does not solve the problem, put the original part back in the computer. Do not replace a nondefective FRU.

This index can also be used to help you decide which FRUs should be available when servicing a computer.

Numeric error codes show the errors detected in POST or system operation (runtime). In the following error codes, X can be any number.

If no codes are available, use narrative symptoms. If the symptom, is not listed, go to “Undetermined

Problems” on page 45. Note: For any IBM device not supported by the diagnostic

codes in this ThinkPad computer, see the manual for that device.

Numeric Error Codes and Messages

Error Code

Message FRU/Action in Sequence

POST 010 Memory Error

at MMMM: SSSS: OOOOh (R:xxxxh, W:xxxxh)

 Go to “Memory Check”

on page 27.  DIMM  System board

040 Diskette Drive

Controller Error

 Go to “Diskette Drive

Check” on page 30.

 Ensure the diskette

drive configuration

setting in BIOS Utility

is correct.

 Diskette drive cable  Diskette drive  System board

047 Diskette

Drive(s) Disabled

 Ensure the diskette

drive is not set to [Disabled] in the "System Security" menu of the BIOS Utility.

 Diskette drive cable  Diskette drive

36 ThinkPad i Series 1400 HMM

Error Code

Message FRU/Action in Sequence

050 IDE Drive 0

Error

 Ensure the hard disk

drive is set to [Auto] in the "Basic System Settings" menu of the BIOS Utility.

 Hard disk connection

board

 Hard disk drive

 System board

054 IDE Drive(s)

Disabled

 Ensure the hard disk

drive is not set to [None] in the "Basic System Settings" menu of the BIOS Utility.

 Hard disk drive cable  Hard disk drive

056 IDE Drive 0

Auto Detection Failed

 Ensure the hard disk

drive is set to [Auto] in the "Basic System Settings" menu of the BIOS Utility.

 Hard disk connection

board

 Hard disk drive

 System board

070 Real Time

Clock Error

 Reset time in the

"Basic System Settings" menu of the BIOS Utility.

 Backup battery (RTC

battery)

 System board

071 CMOS Battery

Bad

 Enter BIOS Utility and

execute "Load Setup Default Settings".

 Backup battery (RTC

battery)

 System board

072 CMOS

Checksum Error

 Enter BIOS Utility and

execute "Load Setup Default Settings"; then reboot the system.

 Backup battery (RTC

battery)

 System board

ThinkPad i Series 1400 (Part I) 37

Error Code

Message FRU/Action in Sequence

006 Equipment

Configuration Error

 Ensure the equipment

(diskette drive, hard disk drive, keyboard, external mouse, etc.) is connected properly and is correctly set in the BIOS Utility.

 Hard disk connection

board

 Hard disk drive  System board

System Operation (Runtime) 103 Press <Esc>

to turn off NMI or other key to reboot

 Enter BIOS Utility and

execute "Load Setup Default Settings"; then reboot the system.

 Remove the non-

factory-installed adapter card and reboot the system.

Beep Symptoms

Symptom/Error FRU/Action in Sequence

Five short beeps, power-on indicator turns on then off and LCD is blank.

 Ensure that "System Boot

Drive" in the "System Security" menu of the BIOS Utility is not set to [Drive A].

 Battery

Four short beeps every minute and system doesn't enter hibernation mode.

 Go to “Hibernation Mode” on

page 35.

 Hard disk connection board  Hard disk drive

 System board

No Beep Symptoms

38 ThinkPad i Series 1400 HMM

Symptom/Error FRU/Action in Sequence

Insert system diskette and press <Enter> key to reboot.

 Ensure that "System Boot

Drive" in the "System Security" menu of the BIOS Utility is not set to [Drive A].

 Ensure the diskette drive con-

figuration in the "Basic System Settings" menu of the BIOS Utility is not set correctly.

 Diskette drive cable

 Diskette drive

 Hard disk connection board  Hard disk drive

 System board

No beep, power-on indicator turns off and LCD is blank.

 Power source (battery and

adapter). See “Power Systems Check” on page 25.

 Ensure every connector is

connected tightly and correctly.

 Charger board  Battery pack  AC Adapter  System board

No beep, power-on indicator turns on and LCD is blank.

 Power source (battery and

adapter). See “Power Systems Check” on page 25.

 Reconnect the LCD connector  Charger board  Processor board

 Reconnect the DIMM.  System board

No beep, power-on indicator turns on and LCD is blank. But you can see POST on an external CRT.

 Reconnect the LCD connec-

tors.

 LCD inverter ID

 LCD LVDS board (for

13.3–inch LCD)

 LCD FPC cable  LCD inverter  LCD  System board

No beep, power-on indicator turns on and a blinking cursor shown on LCD during POST.

 Ensure every connector is

connected tightly and correctly.

 System board

ThinkPad i Series 1400 (Part I) 39

Symptom/Error FRU/Action in Sequence

No beep during POST but system runs correctly.

 Adjust the audio volume

control.  Speaker connector  System board Note: The buzzer is on the

System board.

Keyboard/TrackPoint-Related Symptoms

Symptom/Error FRU/Action in Sequence

Keyboard (one or more keys) doesn't work.

 Go to “Keyboard and External

Input Device Check” on

page 28.

 Reconnect keyboard cables.  Keyboard  System board

TrackPoint does not work.

 Go to “TrackPoint IV Check”

on page 29.

 Reconnect keyboard cables.  TrackPoint board  Keyboard  System board

LCD-Related Symptoms

LCD FRU Replacement Notice

The TFT LCD for the notebook computer contains over 2,359,296 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 (13.3"): 8 or more bright dots, 8 or more

dark dots, or a total of 9 or more bright and dark dots

40 ThinkPad i Series 1400 HMM

Symptom/Error FRU/Action in Sequence

No beep, power-on indicator turns on and LCD is blank.

 Power source (battery and

adapter). See “Power Systems Check” on page 25.

 Reconnect the LCD connector  Charger board  Processor board

 Hard disk drive

 LCD inverter ID

 LCD LVDS board (for

13.3–inch LCD)

 LCD FPC cable  Inverter  LCD  System board

LCD backlight doesn't work.

LCD is too dark. LCD brightness

cannot be adjusted. LCD contrast cannot

be adjusted.

 Enter BIOS Utility and

execute "Load Setup Default Settings"; then reboot the system.

 Reconnect the LCD connec-

tors

 Keyboard (if contrast and

brightness function keys do not work)

 LCD inverter ID

 LCD LVDS board (for

13.3–inch LCD)

 LCD FPC cable  LCD inverter  LCD  System board

Unreadable LCD screen.

Missing pels in characters.

Abnormal screen Wrong color dis-

played.

 Reconnect all LCD connec-

tors

 LCD inverter ID

 LCD FPC cable

 LCD inverter  LCD  System board

LCD has extra horizontal or vertical lines displayed.

 LCD

 LCD FPC cable

 LCD inverter ID

 Inverter  System board

Indicator-Related Symptoms

ThinkPad i Series 1400 (Part I) 41

Symptom/Error FRU/Action in Sequence

Indicator incorrectly remains off or on, but system runs correctly.

 Reconnect the indicator board

connector.

 Indicator board

Power-Related Symptoms

Symptom/Error FRU/Action in Sequence

Power shuts down during operation.

 Go to “Power Systems

Check” on page 25.  AC Adapter  Battery pack

 Audio and battery function

connection board  Charger board  System board

The system doesn't power on.

 Go to “Power Systems

Check” on page 25.  AC Adapter  Charger board  System board

The system doesn't power off.

 Go to “Power Systems

Check” on page 25.

 Hold and press the power

switch for more than 4

seconds.  Charger board  System board

Battery can't be charged.

 Go to “Power Systems

Check” on page 25.  Battery pack  Charger board  System board

Memory-Related Symptoms

Symptom/Error FRU/Action in Sequence

Memory count (size) appears different from the actual size.

 Go to “Memory Check” on

page 27.

 Enter BIOS Utility and

execute "Load Setup Default

Settings"; then reboot the

system.  DIMM  System board

42 ThinkPad i Series 1400 HMM

Audio-Related Symptoms

Symptom/Error FRU/Action in Sequence

Internal speakers make noise or emit no sound.

 Speaker volume control  Go to “Audio Function Check”

on page 29.

External speakers make noise or emit no sound.

 Speaker volume control  Go to “Audio Function Check”

on page 29.

In DOS or Windows, multimedia programs, no sound comes from the computer. (Only system beeps are heard at poweron.)

 Speaker volume control  Go to “Audio Function Check”

on page 29.

PC Card (PCMCIA)-Related Symptoms

Symptom/Error FRU/Action in Sequence

System cannot detect the PC Card (PCMCIA)

 PC Card (PCMCIA) slots

assembly

 System board

PCMCIA slot pin is damaged.

PC Card (PCMCIA) slots assembly

Power Management-Related Symptoms

Symptom/Error FRU/Action in Sequence

The system doesn't enter hibernation mode and four short beeps every minute are heard.

 Go to “Hibernation Mode” on

page 35.

 Boot an operating system and

press Fn+F12 to see if the computer enters hibernation

mode.  TrackPoint board  Keyboard

 Hard disk connection board  Hard disk drive

 System board

The system doesn't resume from hibernation mode.

 Go to “Hibernation Mode” on

page 35.

 Hard disk connection board  Hard disk drive

 System board

The system doesn't enter standby mode after closing the LCD.

 Chassis (LCD cover switch on

chassis)  System board

The system doesn't resume from standby mode after opening the LCD.

 Chassis (LCD cover switch on

chassis)  System board

ThinkPad i Series 1400 (Part I) 43

Symptom/Error FRU/Action in Sequence

Battery fuel-gauge doesn't go higher than 90%.

 Remove battery pack and let

it cool for 2 hours.

 Refresh battery (continue

using battery until power off,

then charge the battery).  Battery pack  Charger board  System board

System configuration does not match the installed devices.

 Enter BIOS Utility and

execute "Load Setup Default

Settings"; then reboot the

system.  Reconnect hard

disk/diskette/CD-ROM drive

connector.

System hangs intermittently.

 Hard disk/diskette/CD-ROM

drive connector

 Fan (go to “Running the PQA

Diagnostics Program” on

page 49).  System board

Peripheral-Device-Related Symptom

Symptom/Error FRU/Action in Sequence

External display does not work correctly.

 Press Fn+F3, LCD/CRT/Both

display switching.  System board

Printer problems.  Run printer self-test.

 Printer driver  Printer cable

 Ensure that "Parallel Port" in

the "Onboard Devices Config-

uration" menu of the BIOS

Utility is correctly set.  System board

Serial or parallel port device problems.

 Device driver  Device cable  Device

 Ensure that "Serial Port" and

"Parallel Port" in the

"Onboard Devices Configura-

tion" menu of the BIOS Utility

is correctly set.  System board

Modem-Related Symptoms

44 ThinkPad i Series 1400 HMM

Symptom/Error FRU/Action in Sequence

Internal modem does not work correctly

 Go to “Modem Board Check”

on page 31.  Modem connector  Modem board  System board

Intermittent Problems

Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electronic discharge, or software errors. FRU replacement should only be considered when a recurring problem exists.

When analyzing the intermittent problem, do the following:

1. Run the diagnostic test for the System board at least 10 times.

2. If no error is detected, do not replace any FRUs.

3. If any error is detected, replace the FRU. Rerun the test to verify that there are no more errors.

Undetermined Problems

The diagnostic tests did not identify which adapter or device failed, which installed devices are incorrect, whether a short circuit is suspected, or whether the system is inoperative. Follow the procedures below to isolate the failing FRU.

Verify that the power supply being used at the time of the failure is operating correctly.

1. Power off the computer.

2. Check the cables, wires, and connectors for short circuits and open circuits. Visually check them for damage. If any problems are found, replace the FRU.

3. Remove or disconnect all of the following devices:  Non-IBM devices

 Printer, external mouse & keyboard, and other

external devices

 Battery pack

 Hard disk drive  Diskette drive/CD-ROM drive  PC Card (PCMCIA)

4. Power on the computer.

5. Determine if the problem has changed.

6. If the problem does not occur again, reconnect the removed devices one at a time until you find the failing FRU.

ThinkPad i Series 1400 (Part I)

7. If the problem remains, replace the following FRUs one at a time. Do not replace a non-defective FRU.

 TrackPoint board  Charger board

 Audio & battery function connection board  LCD assembly  System board

46 ThinkPad i Series 1400 HMM

Related Service Procedures

This section provides information about the following:

 “Flash Memory Update”

 “Status Indicators”

 “Power Switch” on page 49  “Diagnostic Program Diskette” on page 49  “Utility Program Diskette” on page 54  “Fn Key Combinations” on page 55

Flash Memory Update

Setup Utility and BIOS programs are stored in flash memory. A flash memory update is required for the following conditions:

 New versions of system programs  New features or options are added.

To update the flash memory, do the following:

1. Get the appropriate diskette containing the update.

2. Insert the System Program Service Diskette into diskette drive A: and power on the computer.

3. Select Update system programs from the menu.

Status Indicators

The system status LED indicators show the current computer status. The following shows the location of each indicator symbol and the meaning of each indicator.

ThinkPad i Series 1400 (Part I) 47

Symbol Color Meaning

(1) Battery status Green Enough battery power

remains for operation.

Blinking orange

The battery pack needs to be charged

Orange The battery pack is

being charged.

(2) Standby mode

Green The computer is in

standby mode.

Blinking green

The computer is entering or resuming from hibernation mode.

(3) Drive in use Orange Data is being read from

or written to the hard disk, floppy drive, or data is being read from the CD-ROM drive. Do not enter hibernation mode or power off the computer when this indicator is on.

(4) Numeric lock Green The numeric keypad on

the keyboard is enabled. You enable or disable the keypad by pressing and holding the Shift key, and pressing the NumLk key. For details, see the

User's Refer-

ence

(5) Caps lock Green Caps Lock mode is

enabled. All alphabetic characters

(A-Z)

are entered in capital letters without the Shift key being pressed. You enable or disable the Caps Lock mode by pressing the Caps Lock key.

(6) Scroll lock Green Scroll Lock mode is

enabled. The Arrow keys can be used as screen-scroll function keys. The cursor cannot be moved with the Arrow keys.

Not all application programs support this function.

You enable or disable Scroll Lock mode by pressing the ScrLk key.

(7) Power on Green The computer is opera-

tional. This indicator is always on when the computer is on.

48 ThinkPad i Series 1400 HMM

Power Switch

The system has no power shutdown switch. If the com-

puter cannot be turned off by pressing the power switch, try pressing (sliding and holding) it for more than 4 seconds to force the system to shutdown.

Diagnostic Program Diskette

The Diagnostic Program Diskette contains the following seven programs:

 PQA System Test  Modem Dial and Data Transfer Test  PCMCIA IBM Wrap Card Test  Audio and Speaker-Out Test  CD Player Test  Thermal Sensor Test  USB Register and Connection Test

Note: Some test items require tools as shown below:

(P/N: 01K4841)

 ThinkPad i Series 1400 Utility Diskette (P/N:

01K4842)

Running the PQA Diagnostics Program:

Attention: Before running the PQA Diagnostic Program,

make sure that the write enable tab of the Diagnostic Program Diskette is set to enable.

Boot from the Diagnostic Program Diskette and select "PQA System Diagnostics Program" from PC DOS 7.0 Startup Menu. The PQA main menu appears on the screen.

ThinkPad i Series 1400 (Part I)

Press the left and right arrow keys to move around the main menu. Press Enter to enable the selected option. The main options are Diag, Result, SysInfo, Option and Exit.

The Diag option lets you select testing items and testing times.

The following screen appears when you select Diag from the main menu.

This screen allow syou to specify the number of tests to perform. The options are as follows:

 Manual Test performs a single test and manually

checks the selected test items in sequence.

 Auto Test performs multiple tests and auto-checks the

selected test items in sequence.

The screen below appears if you select Auto Test.

50 ThinkPad i Series 1400 HMM

Specify the desired number of tests and press Enter. After you specify the number of tests to perform, the

screen shows a list of test items (see below).

Press the up and down arrow keys to move the highlight bar from one item to another. Press Space to enable or disable the item. The > mark indicates that there are available sub-options. Press Enter to view the available suboptions of each selected item. Press Esc to close the submenu.

The right corner screen information gives you the available function keys and the specified test number.

 Space enables/disables the item.  Esc exits the program.  F1 accesses help.  F2 tests the selected item(s).  Enter opens the available suboptions.

ThinkPad i Series 1400 (Part I)

 Test Times show the number of tests to perform.

Note: The F1 and F2 keys function only after you finish

configuring the Test option.

PQA Diagnostic Program Error Codes and Messages

Error Code Message

FRU/Action in Sequence

16XX RTC (backup

battery) error

Backup battery

1XXX Processor or

System board error

 Reload BIOS

default setting.  Processor board  System board

2XXX Memory error  Reconnect

Processor

board.  DIMM  System board

3XXX Keyboard error  Reconnect key-

board.  Keyboard  System board

4XXX Video error System board 5XXX Parallel port error System board 6XXX Serial port or

system board error

System board

7XXX Diskette drive

error

 Diskette drive  System board

8XXX Hard disk error  Load BIOS

default setting

 Hard disk con-

nection board

 Hard disk drive

9XXX CD-ROM error  Reconnect

CD-ROM drive

cable.  CD-ROM drive  System board

10XXX Processor or

System board error

 Processor board  System board

52 ThinkPad i Series 1400 HMM

Running Modem Dial and Data Transfer Test: Boot from the Diagnostic Program Diskette and

select "Modem Dial and Data Transfer Test" from PC DOS

7.0 Startup Menu. Follow the instructions on the screen to execute modem test. If the test fails, go to “Modem Board Check” on page 31.

Note: A telephone line is required for completing modem

test.

Running PCMCIA Wrap Card Test: Boot from

the Diagnostic Program Diskette and select "PCMCIA Wrap Card Test" from PC DOS 7.0 Startup Menu. Follow the instructions on the screen to run the PCMCIA test.

The green LED on the PC test card lights up when the PCMCIA test is running. If the LED does not light up, check whether the card is installed correctly by reconnecting the card. If it still does not light up after it is reconnected, try using another slot for the test. If the LED still does not turn on and the test fails, go to “PC Card (PCMCIA)-Related Symptoms” on page 43 to replace the possible defective FRU.

Running Audio and Speaker-out Test: Boot

from the Diagnostic Program Diskette and select "Running Audio Resource and Speaker-Out Test" from PC DOS 7.0 Startup Menu. Follow the instructions on the screen to execute the audio test. If the test fails, go to “Audio Function Check” on page 29.

Attention: You should execute this program two times (one for internal and the other for external speakers) to verify if the system's audio function is in working order.

Running CD-Player Test: Boot from the Diag-

nostic Program Diskette and select "CD Player Test" from PC DOS 7.0 Startup Menu. Follow the instructions on the screen to execute the CD player test. If the test fails, go to “CD-ROM Drive Check” on page 30.

Error Code Message

FRU/Action in Sequence

11XXX Pointing device

error

 TrackPoint

board FPC cable

 TrackPoint

board  Keyboard  System board

ThinkPad i Series 1400 (Part I) 53

Running USB Register and Connection Test: Boot from the Diagnostic Program Diskette and

select "Running USB Connect/Disconnect Test" from PC DOS 7.0 Startup Menu. Follow the instructions on the screen to execute the USB test. If the test fails, go to “System Board Check” on page 27.

Utility Program Diskette

The Utility Program Diskette provides the three following functions:

 “Setting the Inverter ID”  “Setting the Thermal Sensor”  “Writing the VPD Data” on page 55

Setting the Inverter ID: There is an EEPROM in

the inverter, which store its supported LCD type and ID code. If you replace the LCD with one of a different brand, the ID information in the inverter EEPROM should be updated.

Follow the steps below to set the LCD inverter ID:

1. Boot from the Utility Program Diskette.

2. Select Panel ID Diagnostic from PC DOS 7.0 Startup Menu.

3. Follow the instructions on the screen to read the current ID Code or to set a new inverter ID code.

Note: When you set a new inverter ID and the new

LCD is not yet enabled (to function), connect an external CRT to see the program execution process.

Attention: Make sure that the new ID code you choose corresponds to the LCD brand and type. If you write a wrong ID into the inverter, just reboot and re-execute the program and input the correct ID code.

4. Restart the computer — the new LCD should work normally.

Note: If the LCD has no display after changing the ID

code, make sure you write the correct ID code or try reconnecting the LCD FPC cable connectors.

Setting the Thermal Sensor: The system is

equipped with sensors to protect against system overheating. By setting the system and processor thermal thresholds, the system can turn on the cooling Fan ASM or shut down automatically when the temperature reaches the defined threshold parameters.

System experiencing frequent auto sensor shutdown may need to reset the thermal sensor threshold.

Follow the steps below to set the thermal threshold:

54 ThinkPad i Series 1400 HMM

1. Boot from the Utility Program Diskette.

2. Select Thermal Sensor Utility from PC DOS 7.0 Startup menu.

3. Follow the instructions on the screen to set the thresholds.

Writing the VPD Data: The EEPROM on the

System board contains the vital product data (VPD) — that is, a system unit serial number and a System board serial number. When you replace the System board, restore the system unit serial number using the VPD Data Utility. The serial number label is attached to the computer.

Edit the batch file in the diskette A:\active.bat  VPD_BUILDID  VPD_BOXSERIAL  VPD_PLANARSERIAL

Fn Key Combinations

The following table shows the Fn key and function key combinations and their corresponding functions.

The Fn key works independently of the operating system. The operating system obtains the status through the system management interface to control the system.

Fn + Result

F1 The ShortCut Keys Utility program appears.

The ShortCut Keys Utility defines all Fn key functions as well as ShortCut keys that can be customized.

F2 The Power Management Properties window

appears. F3 The computer blanks the screen to save power. F4 The computer enters standby mode. F5–F8 These are customizable ShortCut Keys. Use the

ShortCut Keys Utility (Fn+F1) to choose pro-

grams or files to launch with the customized

ShortCut key. F9 The display output location changes. F12 The computer enters hibernation mode. Home The screen brightness increases. End The screen brightness decreases.

ThinkPad i Series 1400 (Part I) 55

Product Overview

The following shows an overview of the system features.

Feature Description

Processor Intel** Pentium** processor 266 or

300 MHz –or–

AMD-K6-2** processor 300 MHz Bus architecture PCI 5V System memory 32MB or 64MB DIMM card,

maximum 128MB (144–pin

SDRAM) CMOS RAM 256KB Video 12.1–inch, 65,536 colors, 800x600

pixel TFT color SVGA LCD

13.3–inch, 256 colors, 1024x768

pixel TFT color XGA LCD Audio Internal system buzzer

Internal speakers and microphone

Internal line-in/microphone-

in/headphone jack Diskette drive 1.44MB (3–mode), 3.5–inch Hard disk drive 3GB, 4GB or 5GB, 2.5–inch,

E-IDE interface CD-ROM drive 5.25–inch, 20X or 24X speed,

E-IDE interface PC Card (PCMCIA) One Type III or two Type II

CardBus, ZV port support (upper

slot only) Modem 56Kbps (depends on the model)

56 ThinkPad i Series 1400 HMM

FRU Removals and Replacements

This section contains information about removals and replacements.

 Do not damage any parts. Only certified and trained

personnel should service the computer.

 The arrows in this seciton show the direction of move-

ment to remove a FRU, or to turn a screw to release the FRU. The arrows are marked in numeric order, in square callout, to show the correct sequence of removal.

 Any FRUs that must be removed before removing the

failing FRU are listed at the top of the page.

 To replace a FRU, reverse the removal procedure

and follow any notes that pertain to replacement. See “Locations” on page 93 for internal cable connections and arrangement information.

 When replacing a FRU, use the correct screw size, as

shown in the procedure.

Safety Notice 1:

Translations in "Safety Notices (Multi-lingual Translations)" section: 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.

Safety Notice 3:

Translations in "Safety Notices (Multi-lingual Translations)" section: The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit 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.

Safety Notice 8:

Translations in "Safety Notices (Multi-lingual Translations)" section: Before removing any FRU, power-off the computer, unplug all power cords from electrical outlets, remove the battery pack, then disconnect any interconnecting cables.

Attention: The system board is sensitive and can be damaged by electronic discharge. Establish personal

ThinkPad i Series 1400 (Part I)

grounding by touching a ground point with one hand before touching these units.

An electrostatic discharge (ESD) strap (P/N: 6405959) must be used to establish personal grounding.

58 ThinkPad i Series 1400 HMM

Before FRU Removals and Replacements

Screw Type Example Explanation

Note: Some screws have nylok paste (on the grooves),

also referred to as nylon-coated screws, for better friction and increased stability.

Some screws have bracket supports.

FPC Cable Connector Type

Unplugging the Cable:

To unplug the cable, first unlock the connector by pulling up the two clasps on both sides of the connector with a plastic stick. Then carefully pull out the cable from the connector.

Plugging the Cable:

To plug the cable back, first make sure that the connector is unlocked, then plug the cable into the connector. With a plastic stick, press the two clasps on both sides of the connector to secure the cable in place.

Illustration Size Head & Color

M3 x 6L Bind head, black

or silver

M2 x 8L Pan head, black

or silver

ThinkPad i Series 1400 (Part I) 59

Battery Assembly

Reverse the steps described above when installing a new battery pack.

60 ThinkPad i Series 1400 HMM

DIMM and DIMM Cover

To install the DIMM: With the notched end of the DIMM toward the right side of

the socket, insert the DIMM, at an angle of approximately 20°, into the socket; then press it firmly. Pivot the DIMM until it snaps into place.

Side View

Step

Size (Quantity)

Head & Color Torque Memo

1 M2 x 5L (2) Bind

head, black

1.6 kgf-cm

Note: The screw cannot be separated from the DIMM door.

ThinkPad i Series 1400 (Part I) 61

Modem Board Cover and Modem Board

To remove the modem board: Press the release latches on both sides of the modem

board (3), then pull out the modem board (4). Then disconnect the modem cable (5).

Step

Size (Quantity)

Head & Color Torque Memo

1 M2 x 5L (2) Bind

head, black

1.6kgf-cm

Note: The screws do not separate from the modem board

cover.

62 ThinkPad i Series 1400 HMM

Keyboard

 “Battery Assembly” on page 60

Note: Be careful not to scratch the surface of the name

plate cover.

Step

Size (Quantity)

Head & Color Torque Memo

3 M2 x 4L

(2)

Pan head, silver

2.0 kgf-cm

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 63

When replacing the keyboard, make sure that the 3 cables are clean and insert them directly into the connectors, making sure they contact with the bottom of the connector. Now press down on the latch of the connector to secure.

Note: If the cables do not touch the bottom of the con-

nector, the keyboard function will be rendered useless.

Attention: The cables of the keyboard are fragile and could be damage. Be careful in pulling out the cables.

64 ThinkPad i Series 1400 HMM

Hard Disk Drive and HDD Heatsink

 “Battery Assembly” on page 60  “Keyboard” on page 63

Step

Size (Quantity)

Head & Color Torque Memo

1 M2.5 x 6L

(3)

Bind head, black

3.2 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 65

Hard Disk Drive

 “Battery Assembly” on page 60  “Keyboard” on page 63  “Hard Disk Drive and HDD Heatsink” on page 65

Reverse the steps described above when installing a new hard disk drive.

Attention: When removing the hard drive, pull them up at an angle. It cannot be removed when pulled straight up.

CAUTION: Do not apply any shock to the hard disk drive. The hard disk drive is sensitive to physical shock. Incorrect handling can cause damage and permanent loss of data on the hard disk. Before removing the hard disk drive, the user must have a backup copy of all the information on the hard disk drive. Never remove the hard disk drive while the system is operating or is in hibernation mode.

66 ThinkPad i Series 1400 HMM

PCMCIA Holder

 “Battery Assembly” on page 60  “Modem Board Cover and Modem Board” on page 62  “Keyboard” on page 63  “Hard Disk Drive and HDD Heatsink” on page 65

Note: Before removing and replacing the PCMCIA holder,

make sure that the PCMCIA cards are removed and the eject levers are not sticking out.

Step

Size (Quantity)

Head & Color Torque Memo

1 M2 x 14L

(4)

Pan head, silver

1.6 kgf-cm

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 67

Attention: When removing the PCMCIA holder, pull them up at an angle. It cannot be removed when pulled straight up.

TrackPoint Board

 “Battery Assembly” on page 60  “Keyboard” on page 63  “Hard Disk Drive and HDD Heatsink” on page 65

Step

Size (Quantity)

Head & Color Torque Memo

2 M2.5 x 6L

(1)

Bind head, black

3.2 kgf-cm

Note: Make sure you use the correct screw for replacement.

68 ThinkPad i Series 1400 HMM

Processor Heatsink

 “Battery Assembly” on page 60  “Keyboard” on page 63

Step

Size (Quantity)

Head & Color Torque Memo

1 M2 x 14L

(4)

Pan head, silver

1.6 kgf-cm

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 69

Processor EMI Bracket and Processor Board

 “Battery Assembly” on page 60  “Keyboard” on page 63  “Processor Heatsink” on page 69

Attention: The processor board is ESD-sensitive and can be damaged easily, especially the pins around the processor chip. When replacing the processor board, press the processor board's edges. DO NOT touch the pins of the processor.

70 ThinkPad i Series 1400 HMM

RTC Battery (Backup Battery)

Safety Notice 4:

Translations in "Safety Notices (Multi-lingual Translations)" section:

CAUTION: The backup battery is a lithium battery and can cause fire, explosion or severe burns. 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 of an incorrect battery can result in ignition or explosion of the battery. Replacement batteries can be ordered from IBM or IBM Authorized Dealers.

 “Battery Assembly” on page 60  “Keyboard” on page 63  “Processor Heatsink” on page 69

ThinkPad i Series 1400 (Part I) 71

LCD Assembly

 “Battery Assembly” on page 60  “Keyboard” on page 63  “Processor Heatsink” on page 69

Note: For 13.3–inch LCD models, a LVDS board is addi-

tionally installed as shown at 7.

Step

Size (Quantity)

Head & Color Torque Memo

2 M2.5 x

13.5L (2)

Pan head, black

4.5 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

Step

Size (Quantity)

Head & Color Torque Memo

5 M2 x 14L

(2)

Pan head, silver

1.6 kgf-cm

Note: Make sure you use the correct screw for replacement.

72 ThinkPad i Series 1400 HMM

Upper Cover (Keyboard Bezel)

 “Battery Assembly” on page 60  “Keyboard” on page 63  “Hard Disk Drive and HDD Heatsink” on page 65  “Processor Heatsink” on page 69  “LCD Assembly” on page 72

Step

Size (Quantity)

Head & Color Torque Memo

1 M2.5 x

13.5L (5)

Pan head, black

2.5 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 73

Note: The upper cover has several latches. When

removing the upper cover from the base cover, gently release these latches, then raise the side of the upper cover facing the palm rest to remove it. Be careful not to break the latches.

74 ThinkPad i Series 1400 HMM

CD Control Card

 “Battery Assembly” on page 60  “Keyboard” on page 63  “Hard Disk Drive and HDD Heatsink” on page 65  “Processor Heatsink” on page 69  “LCD Assembly” on page 72  “Upper Cover (Keyboard Bezel)” on page 73

Step

Size (Quantity)

Head & Color Torque Memo

1 M2 x 4L

(2)

Pan head, silver

1.6 kgf-cm

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 75

Modem Connector (RJ11 Cable Assembly)

 “Battery Assembly” on page 60  “Modem Board Cover and Modem Board” on page 62  “Keyboard” on page 63  “Hard Disk Drive and HDD Heatsink” on page 65  “Processor Heatsink” on page 69  “LCD Assembly” on page 72  “Upper Cover (Keyboard Bezel)” on page 73

Note: Before removing the modem phone jack, make

sure that the other end has been disconnected from the modem board.

76 ThinkPad i Series 1400 HMM

DC/DC Charger

ThinkPad i Series 1400 (Part I) 77

Audio Cable and Speaker Cable

To install the speaker cable: When re-inserting the speaker cable, one end is connected to the Audio PCB underneath the palm rest. You then align the cable, following the border of the chassis and connect it to the inverter cable as shown in the diagram.

Step

Size (Quantity)

Head & Color Torque Memo

3 M2.5 x 6L Bind

head, black

1.6 kgf-cm

w/ ground ring

4 M2.5 x 6L Bind

head, black

1.6 kgf-cm

w/ nylok paste

Removing the audio cable: 1–>2–>3–>4–>5 Removing the speaker cable: 6–>7

Note: Make sure you use the correct screw for replacement.

78 ThinkPad i Series 1400 HMM

Audio PCB

Step

Size (Quantity)

Head & Color Torque Memo

1 M2.5 x 6L

(2)

Bind head, black

3.2 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 79

Fan Assembly

Step

Size (Quantity)

Head & Color Torque Memo

2 M2.5 x 6L

(2)

Bind head, black

1.6 kgf-cm

w/ nylok paste

4 M2.5 x

3.5L (2)

Bind head, black

1.6 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

80 ThinkPad i Series 1400 HMM

Audio Connection Board

Attention: When removing the Audio Connection Board, pull it up at an angle. It cannot removed when pulled straight up.

Step

Size (Quantity)

Head & Color Torque Memo

1 M2.5 x 6L

(2)

Bind head, black

3.2 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 81

Diskette and CD-ROM Drives Assembly

Attention: You must pull out the CD tray before removing the Diskette and CD-ROM Drives Assembly. Use a small stick to press the CD-ROM-drive-emergency-eject hole to open the CD-tray.

Step

Size (Quantity)

Head & Color Torque Memo

2 M2.5 x 6L

(2)

Bind head, black

3.2 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

82 ThinkPad i Series 1400 HMM

CD-ROM Module

CAUTION: Do not diassemble the CD-ROM; there is no user adjustments or serviceable parts inside. The use of controls, adjustments or performing procedures other than those specified may result in hazardous radiation exposure.

Do not apply any extra force to the CD-ROM drive when removing it.

Step

Size (Quantity)

Head & Color Torque Memo

5 M2 x 4L (3) Pan

head, silver

1.2 kgf-cm

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 83

Diskette Drive with Bezel

Step

Size (Quantity)

Head & Color Torque Memo

9 M2.5 x

3.5L (4)

Bind head, black

1.6 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

84 ThinkPad i Series 1400 HMM

System Board

Notes:

1. When removing the system board from the base cover, gently raise the side of the system board facing the rear I/O ports; then pull out the system board.

2. When replacing the system board, align the power switch and power actuator. Make sure that the power switch operates correctly before securing the screws.

Step

Size (Quantity)

Head & Color Torque Memo

1 M2.5 x 6L

(2)

Bind head, black

3.2 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 85

LCD Front Cover

 “Battery Assembly” on page 60  “Keyboard” on page 63  “Hard Disk Drive and HDD Heatsink” on page 65  “Processor Heatsink” on page 69  “LCD Assembly” on page 72

Note: When removing the LCD, take note of the

following:

1. Be careful not to scratch the LCD cover when removing the screw covers.

2. The LCD front cover has several latches. Release these latches; then remove the LCD cover. Be careful not to break these latches.

3. Gently push the two hooks (3) outward to remove the LCD front cover.

Step

Size (Quantity)

Head & Color Torque Memo

1 M2.5 x 6L

(3)

Bind head, black

1.6 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

86 ThinkPad i Series 1400 HMM

Speakers

Step

Size (Quantity)

Head & Color Torque Memo

1 M2 x 4L

(4)

Pan head, silver

1.6 kgf-cm

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 87

Inverter

Attention: After you replace the LCD or inverter, follow the instructions in “Writing the VPD Data” on page 55.

Step

Size (Quantity)

Head & Color Torque Memo

1 M2 x 4L (2) Pan

head, silver

2.0 kgf-cm

Note: Make sure you use the correct screw for replacement.

88 ThinkPad i Series 1400 HMM

Indicator Board and Microphone Cable Assembly

Note: There are tape adhesive attached to the micro-

phone cable assembly. Do not forget to put them back when reinstalling.

Step

Size (Quantity)

Head & Color Torque Memo

2 M2 x 4L (2) Pan

head, silver

2.0 kgf-cm

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 89

Hinge

 “Battery Assembly” on page 60  “Keyboard” on page 63  “Hard Disk Drive and HDD Heatsink” on page 65  “Processor Heatsink” on page 69  “LCD Assembly” on page 72

Step

Size (Quantity)

Head & Color Torque Memo

1 M2.5 x 6L

(2)

Bind head, black

3.2 kgf-cm

w/ nylok paste

Note: Make sure you use the correct screw for replacement.

90 ThinkPad i Series 1400 HMM

LCD Panel and LCD Cable

Attention: After you replace the LCD or inverter, follow the instructions in “Setting the Inverter ID” on page 54.

13.3–inch LCD Unit

Step

Size (Quantity)

Head & Color Torque Memo

2 M3 x 5L (4) Bind

head, black

3.2 kgf-cm

Note: Make sure you use the correct screw for replacement.

ThinkPad i Series 1400 (Part I) 91

Step

Size (Quantity)

Head & Color Torque Memo

1 M3 x 3.5L

(4)

Bind head, silver

1.6 kgf-cm

Note: Make sure you use the correct screw for replacement.

92 ThinkPad i Series 1400 HMM

IBM 2611-435, 2611-451, 2611-410, 2611-434, 2611-450 Hardware Maintenance Manual

Specifications and Main Features

Frequently Asked Questions

User Manual