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Lenovo ThinkPad R50 Series Hardware Maintenance Manual
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ThinkPad
Computer
Hardware
Maintenance
Manual
J
uly 2005
This manual supports:
ThinkP
ad R50/R50p,
R51 series
ThinkP
ad Doc
k II (MT 2877)
(MT 1829,
1830,
1831,
1832,
1833,
2889,
2894,
2895)
1836,
1840,
1841,
2883,
2887,
2888,
2
Table of Contents
Default Chapter
3
Table of Contents
3
About this Manual
5
Introduction
7
Important Service Information
7
Strategy for Replacing Frus
7
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
General Descriptions
20
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
How to Remove the Power-On Password
33
How to Remove the Hard-Disk Password
34
Power Management
36
Hibernation Mode
37
Checkout Guide
38
Testing the Computer
38
Detecting System Information with PC-Doctor
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
In. SXGA+ IPS TFT
205
15.0-In. UXGA IPS TFT
209
AC Adapters
210
15.0-In. QXGA IPS TFT
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
Trademarks
230
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Lenovo ThinkPad R50 Series Specifications
General
Brand
Lenovo
Model
ThinkPad R50 Series
Category
Laptop
Language
English
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