thinkpad t40 t40p t41 t41p t42 t42p.pdf

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T40/T40p, T41/T41p, T42/T42p
ThinkPad Computer
Hardware Maintenance Manual
February 2006
This manual supports:
ThinkPad T40/T40p, T41/T41p, T42/T42p
2375 2376/2378/2379
ThinkPad Dock II (MT 2877)
(MT 2373/2374/ / )
Note
Before using this information and the product it
supports, be sure to read the general information
under “Notices” on page 250.
Second Edition (February 2006)
© Copyright Lenovo 2006.
Portions © Copyright International Business Machines
Corporation 2006.
All rights reserved.
U.S. GOVERNMENT USERS – RESTRICTED RIGHTS:
Our products and/or services are provided with
RESTRICTED RIGHTS. Use, duplication or disclosure by
the Government is subject to the GSA ADP Schedule
contract with Lenovo Group Limited, if any, or the standard
terms of this commercial license, or if the agency is unable
to accept this Program under these terms, then we provide
this Program under the provisions set forth in Commercial
Computer Software–Restricted Rights at FAR 52.227-19,
when applicable, or under Rights in Data-General, FAR
52.227.14 (Alternate III).
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Contents
About this manual
. . . . . . . . . . . 1
. . . . . . . . . . . . . 3
Important service information . . . . . . . . . 3
Strategy for replacing FRUs . . . . . . . . 3
How to use error messages . . . . . . . . 4
Diskette compatibility matrix . . . . . . . . . 4
Safety notices: multilingual translations . . . . . . 4
Safety information . . . . . . . . . . . . 16
General safety . . . . . . . . . . . . 16
Electrical safety . . . . . . . . . . . 17
Safety inspection guide . . . . . . . . . 19
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . 20
Grounding requirements . . . . . . . . . 21
Laser compliance statement . . . . . . . . . 22
General descriptions . . . . . . . . . . 25
Read this first . . . . . . . . . . . . . 25
What to do first . . . . . . . . . . . 25
Related service information . . . . . . . . . 27
Service Web site . . . . . . . . . . . 27
Restoring the pre-installed system . . . . . . 27
Passwords . . . . . . . . . . . . . 28
Power management . . . . . . . . . . 32
Checkout guide . . . . . . . . . . . . 35
Testing the computer . . . . . . . . . . 35
Detecting system information with PC-Doctor . . . 38
Power system checkout . . . . . . . . . 39
43
Product overview . . . . . . . . . . . . 45
Specifications . . . . . . . . . . . . 45
Status indicators . . . . . . . . . . . 50
FRU tests . . . . . . . . . . . . . 53
Fn key combinations . . . . . . . . . . 54
Symptom-to-FRU index . . . . . . . . . . 58
Numeric error codes . . . . . . . . . . 58
Error messages . . . . . . . . . . . 62
Beep symptoms . . . . . . . . . . . 63
No-beep symptoms . . . . . . . . . . 63
LCD-related symptoms . . . . . . . . . 64
Intermittent problems . . . . . . . . . . 65
Undetermined problems . . . . . . . . . 65
FRU replacement notices . . . . . . . . . 66
Screw notices . . . . . . . . . . . . 66
Retaining serial numbers . . . . . . . . . 67
Removing and replacing a FRU . . . . . . . . 70
1010 Battery pack for 14.1-in. LCD models . . . 71
1020 Battery pack for 15.0-in. LCD models . . . 73
© Lenovo 2006. Portions © IBM Corp. 2006.
iii
Introduction
ThinkPad T40/T40p, T41/T41p, T42/T42p Series
1030 Ultrabay Slim device . . . . . . . . 74
1040 Hard disk drive . . . . . . . . . . 75
1050 DIMM (optional) . . . . . . . . . 77
1060 Keyboard . . . . . . . . . . . 79
1070 DIMM (standard) . . . . . . . . . 83
1080 Modem daughter card (MDC/MDC-2) . . . 84
1090 Bluetooth /Modem daughter card
(BMDC/BMDC-2) . . . . . . . . . . 86
1100 Palm rest or Palm rest with fingerprint sensor
(for 14.1-in. LCD models) . . . . . . . . 88
1110 Keyboard bezel or Keyboard bezel with
fingerprint sensor (for 15.0-in. LCD models) . . 91
1120 Mini PCI adapter . . . . . . . . . 97
1130 Fan assembly . . . . . . . . . . 101
1140 Backup battery for 14.1-in. LCD models
106
108
1160 Speaker assembly . . . . . . . . 110
1170 Keyboard bezel for 14.1-in. LCD models
112
1180 PC Card slot assembly for 14.1-in. LCD
models . . . . . . . . . . . . . 114
1190 PC Card slot assembly for 15.0-in. LCD
models . . . . . . . . . . . . . 116
1200 LCD assembly for 14.1-in. LCD models
118
123
1220 CPU . . . . . . . . . . . . 128
1230 Ultrabay Slim guide rail assembly for 14.1-in.
LCD models . . . . . . . . . . . 129
1240 Ultrabay Slim guide rail assembly for 15.0-in.
LCD models . . . . . . . . . . . 131
1250 VGA and Ultrabay Slim device eject button
cable . . . . . . . . . . . . . 134
1260 System board and base cover for 14.1-in.
LCD models . . . . . . . . . . . 136
1270 System board, interposer card, and base
cover for 15.0-in. LCD models . . . . . . 145
2010 LCD front bezel for 14.1-in. LCD models
153
155
2030 Inverter card for 14.1-in. LCD models . . . 157
2040 Inverter card for 15.0-in. LCD models . . . 159
2050 Wireless antenna assemblies, LCD panel,
LCD cable assembly, hinges, and LCD cover for
14.1-in. LCD models . . . . . . . . . 160
2060 Wireless antenna assemblies, LCD panel,
LCD cable assembly, hinges, and LCD cover for
15.0-in. LCD models . . . . . . . . . 175
3010 ThinkPad Dock II PCI cover . . . . . . 182
3020 ThinkPad Dock II top cover . . . . . . 183
Locations . . . . . . . . . . . . . . 186
Front view . . . . . . . . . . . . 186
Rear view . . . . . . . . . . . . . 188
Bottom view . . . . . . . . . . . . 189
Parts list . . . . . . . . . . . . . . 190
Overall . . . . . . . . . . . . . 191
iv T40/T40p, T41/T41p, T42/T42p
1150 Backup battery for 15.0-in. LCD models
1210 LCD assembly for 15.0-in. LCD models
2020 LCD front bezel for 15.0-in. LCD models
14.1-in. LCD FRUs . . . . . . . . . . 220
15.0-in. LCD FRUs . . . . . . . . . . 230
Keyboard . . . . . . . . . . . . . 235
Recovery CDs . . . . . . . . . . . 237
Miscellaneous parts . . . . . . . . . . 243
AC adapters . . . . . . . . . . . . 246
Optional FRUs . . . . . . . . . . . 247
Common parts list . . . . . . . . . . 248
Notices . . . . . . . . . . . . . . 250
Trademarks . . . . . . . . . . . . . 252
Contents v

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