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manual
ThinkPad T20, T21, T22 and T23 series
Models:
T21
T22
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Specs
Install
Before replacing parts
Parts list
Error messages
Password
Status indicators
Symptom-to-FRU index
FRU replacement notices
Diagnostics Interactive Tests
Page 133
Image 133
Removing and replacing a FRU
Cable routing:
When installing the LCD, route the connector cable as in the following figure:
ThinkPad T20, T21, T22 and T23 series
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Image 133
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Contents
Page
Page
About this manual
Iv ThinkPad T20, T21, T22, T23 MT 2647/2648
Contents
Dimm
Before replacing parts
Important service information
Strategy for replacing FRUs
Diskette compatibility matrix
How to use error messages
Strategy for replacing a hard-disk drive
Safety notice
Safety notices multilingual translations
ThinkPad T20, T21, T22, T23 MT 2647/2648
Continuation of safety notice
ThinkPad T20, T21, T22, T23 MT 2647/2648
La pile de sauvegarde contient du lithium. Elle
Continuation of safety notice
Safety notice
Safety notice
Safety notice
ThinkPad T20, T21, T22, T23 MT 2647/2648
General safety
Safety information
Electrical safety
Safety inspection guide
ThinkPad T20, T21, T22, T23 MT 2647/2648
Grounding requirements
Laser compliance statement
Radiação
ThinkPad T20, T21, T22, T23 MT 2647/2648
What to do first
Read this first
Following are not covered under warranty
Service web site Restoring the preloaded system
Related service information
Creating a Recovery Repair diskette
Ordering the recovery CD
Select Create a Recovery Repair diskette. Press Enter
Product Recovery program
To create the service partition
Using the recovery CD
Reinstall the Product Recovery program? Y/N
Install preloaded system from CD
To use the Recovery Repair diskette
Passwords
Power-on password
Hard-disk password
How to remove the power-on password
Supervisor password
Select Power-On Password
How to remove the hard-disk password
Power management
Screen blank mode
Select Master HDP
Standby mode
Hibernation mode
Related service information
Checkout guide
Testing the computer
Diagnostics Interactive Tests
Hardware Info
Detecting system information with PC-Doctor
Utility
Checking the ac adapter
Power system checkout
Checking operational charging
Checking the battery pack
Red + Black
Checking the backup battery
ThinkPad T20, T21, T22, T23 MT 2647/2648
ThinkPad T20, T21, T22 and T23 series
Page
Product overview
Specifications
T21, T22, T23
MB 3-mode, 3.5-inch diskette drive
3 4
Status indicators
Indicator Meaning
Following table shows the test for each FRU
FRU Tests
FRU
Key Description Combination
Fn key combinations
Numeric error codes
Symptom-to-FRU index
Dimm
Dimm
Properly identified
Error messages
Beep symptoms
Connectors
LCD-related symptoms
Undetermined problems
Intermittent problems
Screw notices
FRU replacement notices
Plastic to plastic
Logic card to plastic
Restoring the serial number of the system unit
Retaining serial numbers
Retaining the Uuid
Select 2. Read S/N data from Eeprom
FRU replacement notices
Removing and replacing a FRU
Battery pack
Backup battery
Removing and replacing a FRU
Do not drop or apply any shock to the hard-disk
Hard-disk drive
Removing and replacing a FRU
Dimm
For T20, T21 and T22 series
Mini PCI adapter
ThinkPad T20, T21, T22 and T23 series
For T23 series
Removing and replacing a FRU
Ethernet daughter card
Step Screw quantity Torque
When installing Make sure that both of the connectors
Ultrabay 2000 device
Keyboard
But do not remove it
Are common for all models
ThinkPad T20, T21, T22 and T23 series
ThinkPad T20, T21, T22, T23 MT 2647/2648
Removing and replacing a FRU
Computer as shown
ThinkPad T20, T21, T22 and T23 series
Keyboard CRU insulator
Hinge cover
For T20 and T21 series
When installing
For T22 series
When installing
For T23 series
Keyboard bezel
ThinkPad T20, T21, T22 and T23 series
For T23 series
M2.5 × 3.5 mm, nylon-coated 392 Nm Kgfcm
ThinkPad T20, T21, T22, T23 MT 2647/2648
When installing, do as follows
For T20, T21, T22 series
Fan assembly
For T21, T22
When installing the fan assembly For T20
For T23 series
M2.0 × 13.5 mm, nylon-coated 245 Nm Kgfcm
1130 CPU
For T23 series
PC Card slot assembly
Removing and replacing a FRU
For T23 series
Speaker
For T22 series For T23 series
Before installing new speaker for T22 and T23 series
Hard-disk bay
Are only for T23 series is not turned
For T20 series
Ultrabay 2000 slot
For T21 and T22 series
For T23 series
Removing and replacing a FRU
To step Are common for T20, T21, T22 T23 series
To fix it firmly
System board
Removing and replacing a FRU
For T23 series
Removing and replacing a FRU
Secure chip
Microphone cable
LCD assembly
For models excepting MT2647-xLx, xNx
For MT2647-xLx, xNx
Front bezel
Inverter card
LCD panel
Step Screw quantity Torque
ThinkPad T20, T21, T22, T23 MT 2647/2648
ThinkPad T20, T21, T22 and T23 series
Antenna assembly
Removing and replacing a FRU
Removing and replacing a FRU
Sub card
When installing, do the following
Before replacing the PCI cover
ThinkPad Dock PCI cover
Bottom view ThinkPad T20, T21, T22, T23 MT 2647/2648
Rear View
ThinkPad Dock top cover
Bottom View
View, shown in the circle
Removing and replacing a FRU
Removing and replacing a FRU
Locations Front view
Rear view
Bottom view
LCD HDD
Parts list T20, T21, T22 and T23 series model matrix
CMG DVD
2KC
2647-5Nx, 9Nx 802.11 14.1-in HNx, NNx *2
For T20, T21 and T22
Overall
FRUs marked with Are also available as Optional FRUs
MB Sdram SO Dimm PC100
FRU
Asset ID RF adapter see Optional FRUs on
For T23
26P9158
Toshiba
MB Sdram SO Dimm PC133
AC adapters
13.3-in. XGA TFT
LCD FRUs
14.1-in. XGA TFT
14.1-in. SXGA+ TFT
NMB Alps
Recovery CDs
For Windows 2000/Windows NT T22 series
For Windows 2000 T22 series
For Windows 98 T23 series
For Windows 2000 T23 series
For Windows 2000/Windows NT T23 series
For Windows XP T23 series
Miscellaneous parts
ThinkPad T20, T21, T22, T23 MT 2647/2648
FRU
Optional FRUs
ThinkPad T20, T21, T22 and T23 series
Power cords system
Common parts list
Tools
Power cords docking station
Trademarks
ThinkPad T20, T21, T22 and T23 series
Part Number 62P9631 1P P/N 62P9631
