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IBM THINKPAD T22 User Manual Page 95
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4
2
3
Step
Screw
(quantity)
T
orque
2
M2.5
×
14
mm,
nylon-coated
(1)
0.392
Nm
(4
kgfcm)
3
M2.5
×
4.8
mm,
nylon-coated
(1)
0.392
Nm
(4
kgfcm)
(continued)
Removing
and
replacing
a
FRU
ThinkPad
T20,
T21,
T22
and
T23
series
89
1
2
...
90
91
92
93
94
95
96
97
98
99
100
...
181
182
IBM Mobile Systems
1
ThinkPad Computer
1
Hardware Maintenance Manual
1
About this manual
3
Contents
5
Introduction
7
How to use error messages
8
Diskette compatibility matrix
8
Safety notices
10
Safety information
19
General safety
19
Electrical safety
20
Safety inspection guide
21
Grounding requirements
23
Laser compliance statement
24
CAUTION:
25
General descriptions
27
Read this first
28
Related service information
29
Service web site
29
Product Recovery program
30
Using the recovery CD
31
Passwords
32
Supervisor password:
33
Power management
34
Standby mode
35
Hibernation mode
36
Checkout guide
38
Testing the computer
38
PC-Doctor
40
Power system checkout
41
Checking operational charging
42
Checking the battery pack
42
Checking the backup battery
43
Product overview
47
Specifications
47
Status indicators
50
FRU Tests
52
Fn key combinations
54
Symptom-to-FRU index
55
Numeric error codes
55
Error messages
58
Beep symptoms
59
No-beep symptoms
59
LCD-related symptoms
60
Intermittent problems
61
Undetermined problems
61
FRU replacement notices
62
Screw notices
62
Retaining serial numbers
63
1010 Battery pack
66
1020 Backup battery
67
1030 Hard-disk drive
69
1040 DIMM
71
1050 Mini PCI adapter
72
1060 Ethernet daughter card
76
1070 Ultrabay 2000 device
79
1080 Keyboard
80
1090 Keyboard CRU insulator
88
1100 Hinge cover
89
For T20 and T21 series
90
For T22 series
91
(4 kgfcm)
92
1110 Keyboard bezel
94
1120 Fan assembly
100
Removing and replacing a FRU
101
For T23 series
102
Step Screw (quantity) Torque
103
(2.5 kgfcm)
103
1130 CPU
104
1140 PC Card slot assembly
106
1150 Speaker
109
1160 Hard-disk bay
111
1170 Ultrabay 2000 slot
113
For T21 and T22 series
114
1180 System board
119
1190 Secure chip
123
1200 Microphone cable
124
2010 LCD assembly
125
For MT2647-xLx, xNx
127
2020 Front bezel
128
2030 Inverter card
129
2040 LCD panel
130
(continued)
131
2050 Antenna assembly
134
2060 Sub card
137
3010 ThinkPad Dock PCI cover
139
3020 ThinkPad Dock top cover
141
(Bottom view)
142
Locations
146
Front view
146
Rear view
147
Bottom view
148
Parts list
149
For T20, T21 and T22
153
AC adapters
162
LCD FRUs
163
14.1-in. XGA TFT
164
14.1-in. SXGA+ TFT
165
Keyboard
166
Recovery CDs
167
For Windows 2000 (T22 series)
168
For Windows 98 (T23 series)
169
For Windows 2000 (T23 series)
170
For Windows XP (T23 series)
172
Miscellaneous parts
173
Optional FRUs
176
Common parts list
178
Power cords (docking station)
179
Trademarks
180
Part Number: 62P9631
182
(1P) P/N: 62P9631
182
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