IBM ThinkPad i Series 1400 Owner's manual

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:
INTERNATIONAL BUSINESS MACHINES CORPO-
RATION PROVIDES THIS PUBLICATION "AS IS"
WITHOUT ANY WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED
TO, THE LIMITED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. Some states do not allow disclaimers or
express or implied warranties in certain transactions; there-
fore, this statement may not apply to you.
This publication could include technical inaccuracies or
typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in
new editions of the publication. IBM may make improve-
ments or changes in the products or the programs
described in this publication at any time.
Requests for technical information about IBM products
should be made to your IBM Authorized Dealer or your
IBM Marketing Representative.
 Copyright International Business Machines Corpo-
ration 1999, 1998. All rights reserved. Note to US Gov-
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 trou-
bleshoot 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 trouble-
shoot problems effectively. Before servicing an IBM
ThinkPad product, be sure to review the safety infor-
mation 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) Mainte-
nance 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) Refer-
ence Diskette 42G2023, S42G-2023
ThinkPad 720/720C (9552) Ref-
erence 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 con-
nection 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 ser-
vicing. 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 high-
lighted 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 informa-
tion 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.
2ThinkPad i Series 1400 HMM