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Lenovo ThinkPad R50 Hardware Maintenance Manual (HMM) - Page 211

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Parts list Keyboard Table 1. Keyboards for 15.0-in. LCD models Language P/N (NMB) P/N CRU (ALPS) ID Arabic 93P4801 93P4861 ** Belgian 93P4796 93P4856 Chinese, Traditional 93P4798 93P4858 Czech 93P4802 93P4862 Danish 93P4789 93P4849 Dutch 93P4786 93P4846 English, U.K. 93P4782 93P4842 English, U.S. 93P4780 93P4840 English, U.S., International 91P9248 - French, Canadian 93P4783 93P4843 French, Canadian 058 93P4809 93P4869 French, European 93P4785 93P4845 German 93P4784 93P4844 Greek 93P4804 93P4864 Hungarian 93P4803 93P4863 Hebrew 93P4800 93P4860 Italian 93P4790 93P4850 Japanese 93P4781 93P4841 Korean 93P4795 93P4855 Norwegian 93P4788 93P4848 Polish 93P4806 93P4866 Portuguese 93P4793 93P4853 Russian 93P4799 93P4859 Slovak 93P4805 93P4865 Slovenian 93P4807 93P4867 Spanish, European 93P4791 93P4851 Spanish, Latin American 93P4794 93P4854 Swedish or Finnish 93P4787 93P4847 Swiss 93P4792 93P4852 Thai 93P4808 93P4868 Turkish 93P4797 93P4857 ThinkPad R50/R50p and R51 Series 207

Section	Page
Contents	3
About this manual	5
Introduction	7
Important service information	7
Strategy for replacing FRUs	7
Strategy for replacing a hard disk drive	8
How to use error messages	8
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
Recovery to Factory Contents by using Product Recovery CDs	31
Passwords	32
How to remove the power-on password	33
How to remove the hard-disk password	34
Power management	36
Screen blank mode	36
Standby mode	36
Hibernation mode	37
Checkout guide	38
Testing the computer	38
Creating the PC-Doctor diagnostics diskette	38
Detecting system information with PC-Doctor	41
Hardware Info	41
Utility	41
Power system checkout	41
Checking the ac adapter	42
Checking operational charging	42
Checking the battery pack	42
Checking the backup battery	43
ThinkPad R50/R50p and R51 Series	45
Product overview	47
Specifications	47
Status indicators	52
FRU tests	54
Fn key combinations	56
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
Restoring the serial number of the system unit	67
Retaining the UUID	68
Reading or writing the ECA information	68
Removing and replacing a FRU	70
1010 Battery pack	71
1020 Ultrabay Enhanced device	72
1030 Hard disk drive	73
1040 DIMM (optional)	75
1050 Keyboard	76
1060 DIMM (standard)	80
1070 Modem daughter card (MDC/MDC-2)	81
1080 Bluetooth/Modem daughter card (BMDC/BMDC-2)	83
1090 Keyboard bezel	85
1100 Mini PCI adapter	89
1110 Fan assembly	93
1120 CPU	94
1130 Backup battery	95
1140 Speaker assembly	96
1150 IEEE 1394 cable	98
1160 PC Card slots assembly	101
1170 Ultrabay Enhanced shield kit	102
1180 LCD assembly	109
1190 VGA and Ultrabay Enhanced device eject button cable	113
1200 System board, interposer card, and base cover	116
2010 LCD front bezel	123
2020 Inverter card	125
2030 LCD panel, LCD cable assembly, wireless LAN antenna assembly, hinges, and LCD cover	126
3010 ThinkPad Dock II PCI cover	136
3020 ThinkPad Dock II top cover	137
Locations	140
Front view	140
Rear view	142
Bottom view	143
Parts list	144
Overall	144
LCD FRUs	192
14.1-in. XGA TFT	193
15.0-in. XGA TFT	199
15.0-in. SXGA+ IPS TFT	205
15.0-in. UXGA IPS TFT	209
15.0-in. QXGA IPS TFT	210
AC adapters	210
Keyboard	211
Recovery CDs	213
For Windows XP Professional (R50/R50p series)	213
For Windows XP Professional (R51 series)	214
For Windows XP Home Edition (R50/R50p series)	218
For Windows XP Home Edition (R51 series)	219
Miscellaneous parts	221
Optional FRUs	225
Common parts list	226
Tools	226
Power cords (system)	226
Power cords (ThinkPad Dock and ThinkPad Dock II)	227
Notices	228

Match case Limit results 1 per page

Keyboard

Table

Keyboards

for

15.0-in.

LCD

models

Language

P/N

(NMB)

P/N

(ALPS)

CRU

Arabic

93P4801

93P4861

Belgian

93P4796

93P4856

Chinese,

Traditional

93P4798

93P4858

Czech

93P4802

93P4862

Danish

93P4789

93P4849

Dutch

93P4786

93P4846

English,

U.K.

93P4782

93P4842

English,

U.S.

93P4780

93P4840

English,

U.S.,

International

91P9248

—

French,

Canadian

93P4783

93P4843

French,

Canadian

058

93P4809

93P4869

French,

European

93P4785

93P4845

German

93P4784

93P4844

Greek

93P4804

93P4864

Hungarian

93P4803

93P4863

Hebrew

93P4800

93P4860

Italian

93P4790

93P4850

Japanese

93P4781

93P4841

Korean

93P4795

93P4855

Norwegian

93P4788

93P4848

Polish

93P4806

93P4866

Portuguese

93P4793

93P4853

Russian

93P4799

93P4859

Slovak

93P4805

93P4865

Slovenian

93P4807

93P4867

Spanish,

European

93P4791

93P4851

Spanish,

Latin

American

93P4794

93P4854

Swedish

Finnish

93P4787

93P4847

Swiss

93P4792

93P4852

Thai

93P4808

93P4868

Turkish

93P4797

93P4857

Parts

list

ThinkPad

R50/R50p

and

R51

Series

207