Main
ThinkPad Computer Hardware Maintenance Manual
2375 2376/2378/2379
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Contents
Lenovo 2006. Portions IBM Corp. 2006. iii
iv
Contents v
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About this manual
This manual contains service and reference information for ThinkPad
Lenovo 2006. Portions IBM Corp. 2006. 1
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Introduction
Important service information
Lenovo 2006. Portions IBM Corp. 2006. 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
Lenovo 2006. Portions IBM Corp. 2006. 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 Service Web site 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
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Power management
32
Screen blank mode
Standby mode
Hibernation mode
34
Checkout guide
General descriptions 35
Testing the computer
Creating the PC-Doctor diagnostics diskette
36
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Detecting system information with PC-Doctor
Hardware Info
38
Utility
Power system checkout
General descriptions 39
(16-10V)
Checking the ac adapter
Pin Voltage (V dc) 1 +15.5 to +17.0 2 Ground
Checking operational charging
40
1(+)
5(-)
Checking the battery pack
Checking the backup battery
General descriptions 41
Red (+) Black (-)
Wire Voltage (V dc) Red +2.5 to +3.2 Black Ground
v v v replacement, replace the system board.
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ThinkPad T40/T40p, T41/T41p, T42/T42p Series
Lenovo 2006. Portions IBM Corp. 2006. 43
44
Product overview
This section presents the following product-unique information: v v v v
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 45
(continued)
Specifications
46
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 47
48
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 49
Status indicators
The system status indicators show the status of the computer, as follows:
50
Indicator Meaning 1 Ultrabay Slim status
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 51
Product overview
Indicator Meaning 5 Drive in use
52
R
Product overview
FRU tests
The following table shows the test for each FRU.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 53
(continued)
Product overview
Fn key combinations
54
(continued)
Product overview
Key combination
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 55
Product overview
Key combination
56
Product overview
Key combination
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 57
Product overview
Symptom-to-FRU index
58
Numeric error codes
0175 Bad CRC1, stop POST taskThe EEPROM checksum is not correct.
System board. 0176 System SecurityThe system has been tampered with.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 59
60
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 61
Error messages
62
Beep symptoms
No-beep symptoms
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 63
LCD-related symptoms
64
No beep, power-on indicator on, and a blank LCD during POST.
System board. v v v adjusted. v adjusted.
1. Reseat the LCD connectors. 2. LCD assembly. 3. System board. v v v v
Intermittent problems
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 65
Undetermined problems
FRU replacement notices
66
(Cross-section)
Screw notices
90degrees more
Retaining serial numbers
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 67
This section includes the following descriptions: v v v
Restoring the serial number of the system unit
Retaining the UUID
68
Reading or writing the ECA information
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 69
Removing and replacing a FRU
70
1010 Battery pack for 14.1-in. LCD models
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 71
72
a b
1020 Battery pack for 15.0-in. LCD models
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 73
1030 Ultrabay Slim device
74
1040 Hard disk drive
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 75
(continued)
v
Note:
76
1050 DIMM (optional)
For access, remove this FRU: v
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 77
(continued)
Note:
78
1060 Keyboard
For access, remove this FRU: v
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 79
(continued)
1 3
80
When installing: 1. Attach the connector 1.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 81
(continued)
82
b b
1070 DIMM (standard)
For access, remove these FRUs in order: v v
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 83
1080 Modem daughter card (MDC/MDC-2)
For access, remove these FRUs in order: v v
84
Turn the card over 3 , and detach the modem connector 4.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 85
1090 Bluetooth /Modem daughter card (BMDC/BMDC-2)
For access, remove these FRUs in order: v v
86
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 87
1100 Palm rest or Palm rest with fingerprint sensor (for 14.1-in. LCD models)
For access, remove these FRUs in order: v v
88
3a 3 11 1 1
(continued)
2
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 89
Step Icon Screw cap
90
1110 Keyboard bezel or Keyboard bezel with fingerprint sensor (for 15.0-in. LCD models)
For access, remove these FRUs in order: v v
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 91
(continued)
1 1
92
M2 14 mm, bind-head, nylon-coated (6)
Removing and replacing a FRU
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 93
(continued)
94
3. Attach the touch pad connector 4.
(continued)
5. Attach the keyboard. (continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 95
96
1120 Mini PCI adapter
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 97
(continued)
98
MAIN
AUX
MAIN
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 99
MAIN
AUX
AUX
100
MAIN
AUX
1130 Fan assembly
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 101
(continued)
102
2
a
2b
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 103
(continued)
2a
104
When installing: marked a as in the following figures.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 105
Figure 3. Fan assembly, long M10
Figure 1. Fan assembly, short
Figure 2. Fan assembly, long
1140 Backup battery for 14.1-in. LCD models
106
When installing: 2 is firmly attached.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 107
1150 Backup battery for 15.0-in. LCD models
108
When installing: 2 is firmly attached.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 109
1160 Speaker assembly
110
In step 3 , release the speaker cables from the cable guide.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series
1170 Keyboard bezel for 14.1-in. LCD models
1 M2 19 mm, bind-head, nylon-coated (2)
112
Removing and replacing a FRU
ThinkPad T40/T40p, T41/T41p, T42/T42p Series
1180 PC Card slot assembly for 14.1-in. LCD models
1 M2 4 mm, bind-head, nylon-coated (2)
114
Removing and replacing a FRU
ThinkPad T40/T40p, T41/T41p, T42/T42p Series
1190 PC Card slot assembly for 15.0-in. LCD models
1 M2 5 mm, flat-head, nylon-coated (2)
116
Removing and replacing a FRU
ThinkPad T40/T40p, T41/T41p, T42/T42p Series
1200 LCD assembly for 14.1-in. LCD models
1 M2.5 4.8 mm, bind-head, nylon-coated (4)
118
Removing and replacing a FRU
Step Screw (quantity) Color Torque 2 M2 14 mm, bind-head, nylon-coated (1)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series
Step Screw (quantity) Color Torque 5 M2 10 mm, flat-head, nylon-coated (1)
120
Removing and replacing a FRU
Release the antenna cables from the cable guide 6 .
When installing: correctly routed and securely in place. (continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 121
122
1210 LCD assembly for 15.0-in. LCD models
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 123
(continued)
Step Screw (quantity) Color Torque 2 M2 12 mm, flat-head, nylon-coated (1)
124
Removing and replacing a FRU
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 125
Release the antenna cables from the cable guide 5 .
126
When installing: correctly routed and securely in place. (continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 127
1220 CPU
128
b a
1230 Ultrabay Slim guide rail assembly for 14.1-in. LCD models
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 129
(continued)
1 M2 14 mm, bind-head, nylon-coated (1)
(2.0 kgfcm) 2 M2 4 mm, bind-head, nylon-coated (1)
130
(2.5 kgfcm) 4 M2 3 mm, small-head, nylon-coated (3)
Removing and replacing a FRU
1240 Ultrabay Slim guide rail assembly for 15.0-in. LCD models
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 131
(continued)
1 M2 5 mm, flat-head, nylon-coated (2)
(2.0 kgfcm) 2 M2 14 mm, bind-head, nylon-coated (1)
132
(2.5 kgfcm) 4 M2 4 mm, bind-head, nylon-coated (2)
Removing and replacing a FRU
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 133
1250 VGA and Ultrabay Slim device eject button cable
134
Step Screw (quantity) Color Torque 4 M2 4 mm, bind-head, nylon-coated (1)
When installing: Make sure that the connector 1 is firmly attached.
Removing and replacing a FRU
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 135
1260 System board and base cover for 14.1-in. LCD models
136
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 137
v
138
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 139
140
computer while the test is running.
When installing: Make sure that the connectors 2 are firmly attached to the system board.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 141
(continued)
4 M2 10 mm, flat-head, nylon-coated (1)
(2.5 kgfcm) 5 M2.5 4 mm, bind-head, nylon-coated (1)
142
(2.5 kgfcm) 7 M2 10 mm, flat-head, nylon-coated (1)
Removing and replacing a FRU
Gold 0.392 Nm
Removing and replacing a FRU
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 143
144
b
a
1270 System board, interposer card, and base cover for 15.0-in. LCD models
146
computer while the test is running.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 147
Remove the support structure a and the EMI bracket b.
148
3
(continued)
a
1
5
4
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 149
c
Step Screw (quantity) Color Torque 4 M2 10 mm, flat-head, nylon-coated (1)
150
Step Screw (quantity) Color Torque 8 M2 4 mm, bind-head, nylon-coated (3)
Removing and replacing a FRU
10 f g 12 13
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 151
Gold 0.392 Nm
Removing and replacing a FRU
152
b
a
2010 LCD front bezel for 14.1-in. LCD models
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 153
(continued)
cap
Screw (quantity) Color Torque 1
154
21 mm
7 mm
2020 LCD front bezel for 15.0-in. LCD models
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 155
(continued)
cap
Screw (quantity) Color Torque 1
156
21 mm
7 mm
2030 Inverter card for 14.1-in. LCD models
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 157
1 M2 3 mm, small-head, nylon-coated (1)
When installing: Make sure that connectors 2 and 3
Removing and replacing a FRU
158
2040 Inverter card for 15.0-in. LCD models
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 159
When installing: Make sure that connectors 2 and 3
Cable routing: When replacing the inverter card, route the connector cable as in this figure:
160
Peel the tape securing the Bluetooth wireless antenna assembly 3 .
4 M2 2.7 mm, small-head, nylon-coated (2)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 161
(continued)
Yellow 0.245 Nm
162
(continued)
Step Screw (quantity) Color Torque 9 M2 3 mm, small-head, nylon-coated (1)
(continued)
Removing and replacing a FRU
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 163
164
14
(continued)
13
10a
Remove the antenna assembly a and hinges b from the LCD assembly.
15
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 165
(continued)
16 17 17
166
(continued)
Remove the right latch from the LCD cover.
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 167
168
95.5 mm
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 169
68.5 mm
41.5 mm
170
b.
4 4
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 171
(continued)
c.
172
e. Slide the spiral tube in the direction shown by arrow 7.
(continued)
8a
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 173
174
10 mm
22 mm 16 mm
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 175
(continued)
1 M2 4 mm, bind-head, nylon-coated (7)
Removing and replacing a FRU
176
(continued)
6 6
(continued)
6b 67 7
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 177
b
Step Screw (quantity) Color Torque 6 M2 3 mm, bind-head, nylon-coated (4)
178
9
11 10b 12 9 d
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 179
10a
9 M2 4 mm, bind-head, nylon-coated (2)
180
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 181
3010 ThinkPad Dock II PCI cover
(Bottom view)
182
3020 ThinkPad Dock II top cover
(Rear view)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 183
(continued)
1 M2.5 4.8 mm (3) 0.392 Nm
184
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 185
Locations Front view
186
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 187
Rear view
188
3
4
5
Bottom view
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 189
Locations
Parts list
190
Overall
a
e
b f c d
192
91P8685 N
91P8682 N
91P8683 N
Parts list
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 193
194
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 195
196
92P6342 *
Parts list
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 197
198
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 199
200
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 201
202
(continued)
13N5542 N
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 203
Parts list
204
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 205
206
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 207
208
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 209
210
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 211
212
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 213
214
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 215
216
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 217
218
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 219
14.1-in. LCD FRUs
b
220
e
d
14.1-in. XGA TFT
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 221
(continued)
13R2569 N
Parts list
222
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 223
224
Parts list
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 225
14.1-in. SXGA+ TFT
226
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 227
228
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 229
15.0-in. LCD FRUs
230
15.0-in. XGA TFT
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 231
15.0-in. SXGA+ IPS TFT
232
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 233
15.0-in. UXGA IPS TFT
234
Keyboard
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 235
Table 2. Keyboards for 14.1-in. LCD models
236
Recovery CDs
Windows XP Professional (for T40/T40p series)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 237
Parts list
Windows XP Professional (for T41/T41p series)
238
Parts list
Windows XP Professional (for T42/T42p series)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 239
240
Windows 2000 (for T40/T40p series)
Windows 2000 is preinstalled as the operating system in the following models: v
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 241
Windows 2000 (for T41 series)
Windows 2000 is preinstalled as the operating system in the following models: v
242
Windows XP Home Edition (for T42/T42p series)
Miscellaneous parts
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 243
244
(continued)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 245
AC adapters
246
Optional FRUs
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 247
02K7086 * AC adapter (2 pin, 120 W), LITEON for ThinkPad Mini Dock
02K7092 * AC adapter (3 pin, 120 W), LITEON for ThinkPad Mini Dock
02K7094 * AC adapter (3 pin, 120 W), LITEON for ThinkPad Mini Dock
Common parts list
Tools
248
Power cords (system)
ID Canada, U.S. 13H5264 * Japan 74P4331 Argentina 36L8870 Brazil 49P2095
Power cords (ThinkPad Dock II)
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 249
Notices
250
Notices
Notices
ThinkPad T40/T40p, T41/T41p, T42/T42p Series 251
Trademarks
252