Lenovo ThinkPad T61 Owner's manual

ThinkPad®T61 and T61p (14.1-inch)
Hardware Maintenance Manual
May 2007
This manual supports:
ThinkPad T61 and T61p (14.1-inch)
(MT 8895, 8896, 8897, 8898, 8899, 8900, and 8938)

ThinkPad®T61 and T61p (14.1-inch)
Hardware Maintenance Manual

Note
Before using this information and the product it supports, be sure to read the general information under “Notices” on page
141.
First Edition (May 2007)
©Copyright Lenovo 2007. 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, 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).

Contents
About this manual ..........1
Introduction .............3
Important service information ........3
Strategy for replacing FRUs .........3
Strategy for replacing ahard disk drive ....4
Important notice for replacing asystem board ..4
How to use error messages ........4
Strategy for replacing FRUs for CTO, CMV, and GAV 4
Product definition ...........4
FRU identification for CTO, CMV, and GAV
products ...............5
Important information about replacing RoHS
compliant FRUs .............6
Diskette compatibility matrix .........7
Safety notices: multilingual translations .....7
Safety information ............13
General safety ............13
Electrical safety ............13
Safety inspection guide .........15
Handling devices that are sensitive to
electrostatic discharge ..........16
Grounding requirements .........16
Laser compliance statement .........17
General descriptions.........19
Read this first .............19
What to do first ............19
Related service information .........21
Service Web site ............21
Restoring the factory contents by using Product
Recovery discs ............21
Passwords ..............22
Power management ..........24
Checkout guide .............27
Testing the computer ..........27
Detecting system information with PC-Doctor ..29
Power system checkout .........30
ThinkPad T61 and T61p (14.1-inch) ..33
Product overview ............34
Specifications .............34
Status indicators ............37
FRU tests ..............40
Fn key combinations ..........42
Symptom-to-FRU index ..........45
Numeric error codes ..........45
Error messages ............49
Beep symptoms ............50
No-beep symptoms...........50
LCD-related symptoms .........51
Intermittent problems ..........52
Undetermined problems .........52
FRU replacement notices ..........53
Screw notices .............53
Retaining serial numbers .........53
Removing and replacing aFRU........56
1010 Battery pack ...........57
1020 Ultrabay Slim device ........58
1030 Hard disk drive cover, hard disk drive, and
hard disk drive rubber rails ........59
1040 Palm rest or palm rest with fingerprint
reader ...............61
1050 DIMM .............65
1060 Keyboard ............66
1070 Modem daughter card (MDC-1.5) ....68
1080 PCI Express Mini Card for wireless LAN..70
1090 PCI Express Mini Card for wireless WAN 72
1100 Backup battery ..........74
1110 SIM card slot ...........75
1120 Keyboard bezel ..........76
1130 Fan assembly ...........78
1140 CPU ..............81
1150 LCD assembly...........82
1160 Base cover ............85
1170 Speaker assembly .........91
1180 USB sub card with cable .......92
1190 Structure frame ..........94
1200 System board, PC Card/ExpressCard slots
assembly and interposer card .......98
2010 LCD cover kit .......... 101
2020 Inverter card ........... 105
2030 Bluetooth daughter card (BDC-2) .... 105
2040 Antenna assembly ......... 106
2050 LCD magnesium frame assembly and
hinge assembly ............ 108
2050 LCD panel and LCD cable ...... 111
Locations ...............112
Front view .............112
Rear view .............113
Bottom view.............113
Parts list ...............114
Overall ..............115
LCD FRUs ............. 126
Keyboard.............. 131
Recovery discs ............ 132
Miscellaneous parts .......... 136
AC adapters............. 138
Optional FRUs ............ 138
Common parts list........... 139
Notices ............... 141
Trademarks .............. 142
©Copyright Lenovo 2007 iii