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ThinkPad T20, T21, T22, T23 MT 2647/2648
Models:
T21
T22
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Specifications
Install
Before replacing parts
Parts list
Error codes
Password
Status indicators
Symptom-to-FRU index
FRU replacement notices
Diagnostics Interactive Tests
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Checkout guide
38
ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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Contents
Page
Page
About this manual
Iv ThinkPad T20, T21, T22, T23 MT 2647/2648
Contents
Dimm
Strategy for replacing FRUs
Important service information
Before replacing parts
Strategy for replacing a hard-disk drive
How to use error messages
Diskette compatibility matrix
Safety notices multilingual translations
Safety notice
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
Safety information
General safety
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
Read this first
What to do first
Following are not covered under warranty
Related service information
Service web site Restoring the preloaded system
Creating a Recovery Repair diskette
Ordering the recovery CD
Product Recovery program
Select Create a Recovery Repair diskette. Press Enter
Using the recovery CD
To create the service partition
Reinstall the Product Recovery program? Y/N
Install preloaded system from CD
Passwords
To use the Recovery Repair diskette
Power-on password
Hard-disk password
Select Power-On Password
Supervisor password
How to remove the power-on password
Power management
How to remove the hard-disk password
Screen blank mode
Select Master HDP
Standby mode
Hibernation mode
Related service information
Testing the computer
Checkout guide
Diagnostics Interactive Tests
Utility
Detecting system information with PC-Doctor
Hardware Info
Power system checkout
Checking the ac adapter
Checking the battery pack
Checking operational charging
Checking the backup battery
Red + Black
ThinkPad T20, T21, T22, T23 MT 2647/2648
ThinkPad T20, T21, T22 and T23 series
Page
Specifications
Product overview
T21, T22, T23
MB 3-mode, 3.5-inch diskette drive
Status indicators
3 4
Indicator Meaning
FRU Tests
Following table shows the test for each FRU
FRU
Fn key combinations
Key Description Combination
Symptom-to-FRU index
Numeric error codes
Dimm
Dimm
Error messages
Properly identified
Beep symptoms
LCD-related symptoms
Connectors
Intermittent problems
Undetermined problems
FRU replacement notices
Screw notices
Plastic to plastic
Logic card to plastic
Retaining serial numbers
Restoring the serial number of the system unit
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
Hard-disk drive
Do not drop or apply any shock to the hard-disk
Removing and replacing a FRU
Dimm
Mini PCI adapter
For T20, T21 and T22 series
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
When installing
For T20 and T21 series
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
Fan assembly
For T20, T21, T22 series
When installing the fan assembly For T20
For T21, T22
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
Before installing new speaker for T22 and T23 series
For T22 series For T23 series
Hard-disk bay
Are only for T23 series is not turned
Ultrabay 2000 slot
For T20 series
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
ThinkPad Dock PCI cover
Before replacing the PCI cover
Bottom view ThinkPad T20, T21, T22, T23 MT 2647/2648
ThinkPad Dock top cover
Rear View
Bottom View
View, shown in the circle
Removing and replacing a FRU
Removing and replacing a FRU
Locations Front view
Rear view
Bottom view
Parts list T20, T21, T22 and T23 series model matrix
LCD HDD
CMG DVD
2KC
2647-5Nx, 9Nx 802.11 14.1-in HNx, NNx *2
Overall
For T20, T21 and T22
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
LCD FRUs
13.3-in. XGA TFT
14.1-in. XGA TFT
14.1-in. SXGA+ TFT
NMB Alps
Recovery CDs
For Windows 2000 T22 series
For Windows 2000/Windows NT 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
Tools
Common parts list
Power cords system
Power cords docking station
Trademarks
ThinkPad T20, T21, T22 and T23 series
Part Number 62P9631 1P P/N 62P9631
