Main
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual
1836, 1840, 1841, 2883, 2887, 2888,
2889, 2894, 2895)
Page
Contents
Copyright IBM Corp. 2004 iii
iv
About this manual
Copyright IBM Corp. 2004 1
Page
Introduction
Important service information
Copyright IBM Corp. 2004 3
Strategy for replacing FRUs
Strategy for replacing a hard disk drive
How to use error messages
Diskette compatibility matrix
Diskette capacity
Safety notices: multilingual translations
Important service information
Safety notice 1
Introduction 5
Safety notice 2
6
(continuation of safety notice 2)
Introduction 7
Safety notice 3
8
(continued)
Introduction 9
Safety notice 4
10
(continuation of safety notice 4)
Introduction
Safety notice 5
12
Safety notice 6
Introduction 13
Safety notice 7
14
Safety notice 8
Introduction 15
Safety information
16
General safety
Introduction 17
Electrical safety
Observe the following rules when working on electrical equipment.
18
Safety inspection guide
Introduction 19
Handling devices that are sensitive to electrostatic discharge
20
Use the round ground prong of the ac plug on ac-operated computers.
Grounding requirements
Introduction 21
Laser compliance statement
22
CAUTION:
Introduction 23
24
General descriptions
The desciptions in this chapter apply to any ThinkPad model that has the PC-Doctor
Copyright IBM Corp. 2004 25
Some descriptions might not apply to your particular computer.
Read this first
26
Read this first
Related service information
This section provides information about the following: v v v v
General descriptions 27
Service web site
Restoring the pre-installed system
Passwords
28
General descriptions 29
How to remove the power-on password
How to remove the hard-disk password
30
Page
Power management
32
Screen blank mode
Standby mode
Hibernation mode
General descriptions 33
Checkout guide
34
Testing the computer
The ThinkPad computer has a test program called PC-Doctor
Creating the PC-Doctor diagnostics diskette
General descriptions 35
The options on the test menu are as follows:
36
v v v v v v v v v v v v v v
v v v v v v v v
WirelessLAN
Usethecursor keys and ESC to move in menus. PressENTERtoselect.
Detecting system information with PC-Doctor
Hardware Info
Utility
Power system checkout
Checking the ac adapter
38
(16-10V)
Pin Voltage (V dc) 1 +15.5 to +17.0 2 Ground
Checking operational charging
Checking the backup battery
Checkout guide
Red (+) Black (-)
Wire Voltage (V dc) Red +2.5 to +3.2 Black Ground
40
v v v replacement, replace the system board.
Checkout guide
ThinkPad R50/R50p and R51 Series
Copyright IBM Corp. 2004 41
42
Product overview
This section presents the following product-unique information: v v v v
ThinkPad R50/R50p and R51 Series 43
(continued)
Specifications
44
(continued)
ThinkPad R50/R50p and R51 Series 45
(continued)
46
ThinkPad R50/R50p and R51 Series 47
Status indicators
The system status indicators show the status of the computer, as follows:
48
2 7 8
9
(continued)
ThinkPad R50/R50p and R51 Series 49
R
Product overview
Indicator Meaning 8 Standby
FRU tests
The following table shows the test for each FRU.
50
(continued)
Product overview
ThinkPad R50/R50p and R51 Series 51
Product overview
Fn key combinations
52
(continued)
combination
Product overview
ThinkPad R50/R50p and R51 Series 53
Product overview
Symptom-to-FRU index
54
System board
Numeric error codes
0175 Bad CRC1, stop POST taskThe EEPROM checksum is not correct.
ThinkPad R50/R50p and R51 Series 55
56
ThinkPad R50/R50p and R51 Series 57
58
Error messages
ThinkPad R50/R50p and R51 Series 59
Beep symptoms
No-beep symptoms
60
LCD-related symptoms
ThinkPad R50/R50p and R51 Series 61
Note: (white or color.) A dark dot means a pixel is always off (black color.)
No beep, power-on indicator on, and a blank LCD during POST.
System board. v v v adjusted. v adjusted.
Intermittent problems
62
Undetermined problems
FRU replacement notices
ThinkPad R50/R50p and R51 Series 63
(Cross-section)
Screw notices
90degrees more
Retaining serial numbers
This section includes the following descriptions: v v v
64
Restoring the serial number of the system unit
Retaining the UUID
ThinkPad R50/R50p and R51 Series 65
Reading or writing the ECA information
66
Removing and replacing a FRU
ThinkPad R50/R50p and R51 Series 67
1010 Battery pack
68
1020 Ultrabay Enhanced device
1030 Hard disk drive
70
(continued)
Note:
Removing and replacing a FRU
When installing: is attached firmly.
ThinkPad R50/R50p and R51 Series 71
1040 DIMM (optional)
For access, remove this FRU:
72
Note:
1050 Keyboard
For access, remove this FRU:
ThinkPad R50/R50p and R51 Series 73
(continued)
1 1a
74
When installing: Make sure that the connector 4 is
When installing: 1. Attach the connector 1.
2. Install the keyboard so that the keyboard edges are under the frame.
ThinkPad R50/R50p and R51 Series 75
(continued)
76
b b
1060 DIMM (standard)
For access, remove these FRUs in order: v
ThinkPad R50/R50p and R51 Series 77
1070 Modem daughter card (MDC/MDC-2)
For access, remove these FRUs in order: v
78
Turn the card over 3 , and detach the modem connector 4.
ThinkPad R50/R50p and R51 Series 79
1080 Bluetooth/Modem daughter card (BMDC/BMDC-2)
For access, remove these FRUs in order: v
80
ThinkPad R50/R50p and R51 Series 81
1090 Keyboard bezel
For access, remove these FRUs in order: v
82
(continued)
1 1
ThinkPad R50/R50p and R51 Series 83
M2 12 mm, bind-head, nylon-coated (3)
(2.5 kgfcm) 4 4
M2 12 mm, bind-head, nylon-coated (2)
(2.5 kgfcm) 5 5
84
(continued)
3. Attach the touch pad connector 4.
ThinkPad R50/R50p and R51 Series 85
1100 Mini PCI adapter
86
ThinkPad R50/R50p and R51 Series 87
88
MAIN
ThinkPad R50/R50p and R51 Series 89
AUX
1110 Fan assembly
For access, remove these FRUs in order: v v v
90
(Bottom view of the fan assembly)
1 M2 10 mm, flat-head, nylon-coated (3)
1120 CPU
ThinkPad R50/R50p and R51 Series 91
1130 Backup battery
For access, remove these FRUs in order: v v v
92
When installing: 2 is firmly attached.
1140 Speaker assembly
For access, remove these FRUs in order: v v v
ThinkPad R50/R50p and R51 Series 93
(continued)
In step 3 , release the speaker cables from the cable guide a .
94
1150 IEEE 1394 cable
For access, remove these FRUs in order: v v v v v
ThinkPad R50/R50p and R51 Series 95
(continued)
Note Some models do not have the IEEE 1394 cable.
96
Before remove the IEEE 1394 cable, remove bracket structure 5 . (continued)
Removing and replacing a FRU
ThinkPad R50/R50p and R51 Series 97
1160 PC Card slots assembly
For access, remove these FRUs in order: v v v v v v
98
(continued)
1 M2 4 mm, flat-head, nylon-coated (2)
ThinkPad R50/R50p and R51 Series 99
1170 Ultrabay Enhanced shield kit
For access, remove these FRUs in order: v v v v
100
(continued)
Note: For the other models, skip this step.
2 a 3
ThinkPad R50/R50p and R51 Series 101
(continued)
2 M2 12 mm, bind-head, nylon-coated (1)
Removing and replacing a FRU
102
When installing: Make sure that the connectors 5 are firmly attached. (continued)
ThinkPad R50/R50p and R51 Series 103
For models with M9-32 or M10 GL-128 video chip:
104
For models with M7-32 video chip:
(continued)
7 M2 12 mm, bind-head, nylon-coated (2)
Removing and replacing a FRU
(continued)
Removing and replacing a FRU
ThinkPad R50/R50p and R51 Series 105
11 11 12 13
106
14
1180 LCD assembly
For access, remove these FRUs in order: v v v v (BMDC/BMDC-2) on page 80 v v
ThinkPad R50/R50p and R51 Series 107
(continued)
1 M2.5 4.8 mm, bind-head, nylon-coated (4)
108
Removing and replacing a FRU
Step Screw (quantity) Color Torque 5 M2 6 mm, bind-head, nylon-coated (1)
(continued)
(2.5 kgfcm) 7 M2 6 mm, bind-head, nylon-coated (1)
ThinkPad R50/R50p and R51 Series 109
Removing and replacing a FRU
110
1190 VGA and Ultrabay Enhanced device eject button cable
For access, remove these FRUs in order: v v v v v v v
ThinkPad R50/R50p and R51 Series
2 M2 4 mm, flat-head, nylon-coated (1)
When installing: Make sure that the connector 1 is firmly attached. (continued)
112
a
ThinkPad R50/R50p and R51 Series
b
4 Hex stud (2) Silver 0.392 Nm (4 kgfcm)
Removing and replacing a FRU
1200 System board, interposer card, and base cover
114
(continued)
ThinkPad R50/R50p and R51 Series
116
(continued)
ThinkPad R50/R50p and R51 Series
118
5 Hex stud (2) Silver 0.392 Nm (4 kgfcm) 6 M2.5 3 mm, flat-head, nylon-coated (1)
ThinkPad R50/R50p and R51 Series
(4 kgfcm)
Removing and replacing a FRU
120
b
a
2010 LCD front bezel
ThinkPad R50/R50p and R51 Series 121
(continued)
cap
Screw (quantity) Color Torque 1
122
2020 Inverter card
124
When installing: in this figure.
ThinkPad R50/R50p and R51 Series 125
(continued)
4a
126
4a
5 M2 4 mm, bind-head, nylon-coated (2)
ThinkPad R50/R50p and R51 Series 127
(continued)
Removing and replacing a FRU
Remove the antenna assembly ( a ).
128
Remove the hinges ( b ) from the LCD assembly.
(continued)
(continued)
ThinkPad R50/R50p and R51 Series 129
130
When installing: as in this figure.
ThinkPad R50/R50p and R51 Series 131
132
2. Route the antenna cables as in the following drawings:
(continued)
d
3. Route the cables as in the figure below.
ee
ThinkPad R50/R50p and R51 Series 133
3010 ThinkPad Dock II PCI cover
(Bottom view)
134
3020 ThinkPad Dock II top cover
(Rear view)
ThinkPad R50/R50p and R51 Series 135
(continued)
1 M2.5 4.8 mm (3) 0.392 Nm
136
(continued)
ThinkPad R50/R50p and R51 Series 137
Locations Front view
138
Page
Rear view
140
12
R
3
Bottom view
ThinkPad R50/R50p and R51 Series 141
Locations
Parts list R50/R50p and R51 series model matrix
142
(continued)
ThinkPad R50/R50p and R51 Series 143
144
(continued)
ThinkPad R50/R50p and R51 Series 145
146
(continued)
ThinkPad R50/R50p and R51 Series 147
148
(continued)
ThinkPad R50/R50p and R51 Series 149
150
(continued)
ThinkPad R50/R50p and R51 Series 151
152
(continued)
ThinkPad R50/R50p and R51 Series 153
154
(continued)
ThinkPad R50/R50p and R51 Series 155
156
(continued)
ThinkPad R50/R50p and R51 Series 157
158
(continued)
ThinkPad R50/R50p and R51 Series 159
160
(continued)
ThinkPad R50/R50p and R51 Series 161
162
(continued)
ThinkPad R50/R50p and R51 Series 163
164
(continued)
ThinkPad R50/R50p and R51 Series 165
166
(continued)
ThinkPad R50/R50p and R51 Series 167
168
(continued)
ThinkPad R50/R50p and R51 Series 169
170
(continued)
ThinkPad R50/R50p and R51 Series 171
172
(continued)
ThinkPad R50/R50p and R51 Series 173
174
(continued)
ThinkPad R50/R50p and R51 Series 175
176
ThinkPad R50/R50p and R51 Series 177
US TopSeller models
178
(continued)
ThinkPad R50/R50p and R51 Series 179
Odyssey/Open bay models
180
(continued)
ThinkPad R50/R50p and R51 Series 181
182
Express models
(continued)
ThinkPad R50/R50p and R51 Series 183
184
ThinkPad R50/R50p and R51 Series 185
Express open bay models
186
(continued)
ThinkPad R50/R50p and R51 Series 187
188
Overall
190
(continued)
ThinkPad R50/R50p and R51 Series 191
192
(continued)
ThinkPad R50/R50p and R51 Series 193
194
(continued)
ThinkPad R50/R50p and R51 Series 195
196
(continued)
ThinkPad R50/R50p and R51 Series 197
198
(continued)
ThinkPad R50/R50p and R51 Series 199
200
No. FRU P/N CRU ID 6 128-MB DDR SDRAM SO DIMM (PC2700) OP v v
(continued)
ThinkPad R50/R50p and R51 Series 201
31P9831 *
Parts list
202
(continued)
ThinkPad R50/R50p and R51 Series 203
204
(continued)
ThinkPad R50/R50p and R51 Series 205
206
(continued)
ThinkPad R50/R50p and R51 Series 207
208
(continued)
ThinkPad R50/R50p and R51 Series 209
210
(continued)
13R2701 N
ThinkPad R50/R50p and R51 Series 211
14.1-in. Korea v v v
13R2697 N
212
(continued)
ThinkPad R50/R50p and R51 Series 213
214
(continued)
Parts list
ThinkPad R50/R50p and R51 Series 215
216
Parts list
(continued)
ThinkPad R50/R50p and R51 Series 217
218
(continued)
Parts list
ThinkPad R50/R50p and R51 Series 219
220
(continued)
ThinkPad R50/R50p and R51 Series 221
222
(continued)
ThinkPad R50/R50p and R51 Series 223
224
(continued)
ThinkPad R50/R50p and R51 Series 225
No. FRU P/N CRU ID 17 Intel
226
93P4170 N
Parts list
(continued)
ThinkPad R50/R50p and R51 Series 227
228
(continued)
ThinkPad R50/R50p and R51 Series 229
230
93P4202 N
System board assembly, M7-32, 10/100 Ethernet v
91P7332 N
Parts list
(continued)
ThinkPad R50/R50p and R51 Series 231
232
(continued)
ThinkPad R50/R50p and R51 Series 233
234
91P6829 N
Parts list
ThinkPad R50/R50p and R51 Series 235
91P6829 N
Parts list
LCD FRUs
k l
236
n
m
14.1-in. XGA TFT
(continued)
ThinkPad R50/R50p and R51 Series 237
238
(continued)
ThinkPad R50/R50p and R51 Series 239
240
(continued)
ThinkPad R50/R50p and R51 Series 241
242
15.0-in. XGA TFT
(continued)
ThinkPad R50/R50p and R51 Series 243
244
(continued)
ThinkPad R50/R50p and R51 Series 245
246
(continued)
ThinkPad R50/R50p and R51 Series 247
248
15.0-in. SXGA+ IPS TFT
(continued)
ThinkPad R50/R50p and R51 Series 249
250
(continued)
ThinkPad R50/R50p and R51 Series 251
252
15.0-in. UXGA IPS TFT
ThinkPad R50/R50p and R51 Series 253
15.0-in. QXGA IPS TFT
AC adapters
254
Keyboard
ThinkPad R50/R50p and R51 Series 255
Table 2. Keyboards for 14.1-in. LCD models
256
Recovery CDs
For Windows XP Professional (R50/R50p series)
ThinkPad R50/R50p and R51 Series 257
Parts list
For Windows XP Professional (R51 series)
258
ThinkPad R50/R50p and R51 Series 259
260
ThinkPad R50/R50p and R51 Series 261
For Windows XP Home Edition (R50/R50p series)
262
For Windows XP Home Edition (R51 series)
ThinkPad R50/R50p and R51 Series 263
Parts list
264
Parts list
Miscellaneous parts
(continued)
ThinkPad R50/R50p and R51 Series 265
266
(continued)
ThinkPad R50/R50p and R51 Series 267
268
Optional FRUs
ThinkPad R50/R50p and R51 Series 269
Parts list
Common parts list
Tools
270
Power cords (system)
For 3-pin power cords:
Power cords (ThinkPad Dock and ThinkPad Dock II)
ThinkPad R50/R50p and R51 Series 271
Parts list
Notices
272
Trademarks
Notices
