thinkpad r50e r51e r52.pdf

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R50e, R51e and R52 Series
ThinkPad Computer
Hardware Maintenance Manual
April 2008
This manual supports:
ThinkPad R50e Series
(MT 1834, 1842, 2670)
ThinkPad R51e Series
(MT 1843, 1844, 1845)
ThinkPad R52 Series
(MT 1846, 1847, 1848, 1849, 1850,
1858, 1859, 1860, 1861, 1862,
1863, 1870)
ThinkPad Dock II (MT 2877)
Note
Before using this information and the product it
supports, be sure to read the general information
under “Notices” on page 263.
Second Edition (April 2008)
© Copyright Lenovo 2005, 2008.
Portions © Copyright International Business Machines
Corporation 2005, 2008.
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
Strategy for replacing a hard disk drive . . . . . 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 . . . . . . . . . . . . . . . 7
Diskette compatibility matrix . . . . . . . . . 8
Safety notices: multilingual translations . . . . . . 8
Safety information . . . . . . . . . . . . 20
General safety . . . . . . . . . . . . 20
Electrical safety . . . . . . . . . . . 21
Safety inspection guide . . . . . . . . . 23
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . 24
Grounding requirements . . . . . . . . . 25
Laser compliance statement . . . . . . . . . 26
General descriptions . . . . . . . . . . 29
Read this first . . . . . . . . . . . . . 29
What to do first . . . . . . . . . . . 29
Related service information . . . . . . . . . 31
Service Web site . . . . . . . . . . . 31
Restoring the pre-installed system . . . . . . 31
Passwords . . . . . . . . . . . . . 32
Power management . . . . . . . . . . 35
Checkout guide . . . . . . . . . . . . 38
Testing the computer . . . . . . . . . . 38
Detecting system information with PC-Doctor . . . 41
Power system checkout . . . . . . . . . 41
ThinkPad R50e, R51e and R52 Series . . . . . 45
Product overview . . . . . . . . . . . . 47
Specifications . . . . . . . . . . . . 47
Status indicators . . . . . . . . . . . 54
FRU tests . . . . . . . . . . . . . 57
Fn key combinations . . . . . . . . . . 59
Symptom-to-FRU index . . . . . . . . . . 62
Numeric error codes . . . . . . . . . . 62
Error messages . . . . . . . . . . . 67
Beep symptoms . . . . . . . . . . . 68
No-beep symptoms . . . . . . . . . . 68
LCD-related symptoms . . . . . . . . . 69
Intermittent problems . . . . . . . . . . 70
Undetermined problems . . . . . . . . . 70
© Lenovo 2005. Portions © IBM Corp. 2005.
iii
Introduction
FRU replacement notices . . . . . . . . . 71
Screw notices . . . . . . . . . . . . 71
Retaining serial numbers . . . . . . . . . 72
Removing and replacing a FRU . . . . . . . . 75
1010 Battery pack . . . . . . . . . . . 76
1020 Ultrabay Enhanced device (for R52 series)
77
1030 Hard disk drive . . . . . . . . . . 79
1040 DIMM (optional) . . . . . . . . . 81
1050 Keyboard . . . . . . . . . . . 82
1060 Ultrabay device (for R50e series) . . . . 86
1070 DIMM (standard) . . . . . . . . . 87
1080 Modem daughter card (MDC-2) . . . . . 88
1090 Bluetooth/Modem daughter card (BMDC-3)
(for R52 series) . . . . . . . . . . 90
1100 Keyboard bezel . . . . . . . . . . 92
1110 Touch pad and Fingerprint reader (for R52
series) . . . . . . . . . . . . . 96
1120 Mini PCI adapter . . . . . . . . . 99
1130 Fan assembly . . . . . . . . . . 103
1140 CPU . . . . . . . . . . . . . 104
1150 Backup battery . . . . . . . . . 105
1160 Speaker assembly . . . . . . . . 106
1170 IEEE 1394 (for R52 series) . . . . . . 108
1180 PC Card slot assembly . . . . . . . 111
1190 Ultrabay Enhanced shield kit . . . . . 114
1200 LCD assembly . . . . . . . . . . 121
1210 VGA and Ultrabay Enhanced device eject
button cable . . . . . . . . . . . 125
1220 System board, interposer card, and base
cover . . . . . . . . . . . . . 128
2010 LCD front bezel . . . . . . . . . 135
2020 Inverter card . . . . . . . . . . 137
2030 LCD panel, LCD cable assembly, wireless
LAN antenna assembly, hinges, and LCD cover . 138
3010 ThinkPad Dock II PCI cover . . . . . . 149
3020 ThinkPad Dock II top cover . . . . . . 150
Locations . . . . . . . . . . . . . . 153
Front view (for R50e) . . . . . . . . . 153
Rear view (for R50e) . . . . . . . . . 154
Bottom view (for R50e) . . . . . . . . . 155
Front view (for R52) . . . . . . . . . . 156
Rear view (for R52) . . . . . . . . . . 158
Bottom view (for R52) . . . . . . . . . 159
Parts list . . . . . . . . . . . . . . 160
Overall . . . . . . . . . . . . . 160
LCD FRUs . . . . . . . . . . . . 220
AC adapters . . . . . . . . . . . . 240
Keyboard . . . . . . . . . . . . . 241
Recovery CDs . . . . . . . . . . . 243
Miscellaneous parts . . . . . . . . . . 253
Optional FRUs . . . . . . . . . . . 259
Common parts list . . . . . . . . . . 260
Notices . . . . . . . . . . . . . . 263
iv R50e, R51e and R52 Series
Trademarks . . . . . . . . . . . . . 265
Contents v

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