IBM Thinkpad T20 T21 T22 T23 Manual

For T23 series
1
2
3
5
6
4
Step Screw (quantity) Torque

5M2.5×4.8 mm, nylon-coated (1) 0.392 Nm
(4 kgfcm)
(continued)
Removing and replacing a FRU
ThinkPad T20, T21, T22 and T23 series11 5 

When installing:Make sure that all of the guides are
firmly attached
1and you have
fastened the connector firmly to the
underside of the system board
2.
1
1
1
2
Removing and replacing a FRU
11 6ThinkPad T20, T21, T22, T23 (MT 2647/2648) 

1190 Secure chip
NoteThis section is only for the following models;
vMT2647-5Lx, 9Lx, DLT, HLU
vMT2647-5Dx, 5Fx, 5Hx, 5Jx, 5Nx, 5Mx, 9Dx, 9Fx,
9Hx, 9Jx, 9Nx, 9Mx, DFx, HNx, NNx
vMT2647-5Rx, 5Sx, 5Ux, 9Rx, 9Sx, 9Ux, HSU
Other models do not have the secure chip.
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1020 Backup battery”on page 61
v“1030 Hard-disk drive”on page 63
v“1040 DIMM”on page 65
v“1050 Mini PCI adapter”on page 66
v“1060 Ethernet daughter card”on page 70
v“1070...

1200 Microphone cable
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1020 Backup battery”on page 61
v“1030 Hard-disk drive”on page 63
v“1040 DIMM”on page 65
v“1050 Mini PCI adapter”on page 66
v“1070 Ultrabay 2000 device”on page 73
v“1080 Keyboard”on page 74
v“1090 Keyboard CRU insulator”on page 82
v“1100 Hinge cover”on page 83
v“1110 Keyboard bezel”on page 88
v“1120 Fan assembly”on page 94
v“1140 PC Card slot assembly”on page 100
v“1150 Speaker”on page 103
v“1160 Hard-disk...

2010 LCD assembly
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1020 Backup battery”on page 61
v“1030 Hard-disk drive”on page 63
v“1050 Mini PCI adapter”on page 66
v“1070 Ultrabay 2000 device”on page 73
v“1080 Keyboard”on page 74
v“1090 Keyboard CRU insulator”on page 82
v“1100 Hinge cover”on page 83
v“1110 Keyboard bezel”on page 88
v“1120 Fan assembly”on page 94
1
1
Step Screw (quantity) Torque

1M2.5×4.8 mm, nylon-coated (4) 0.392 Nm
(4 kgfcm)
(continued)
Removing and...

For models excepting MT2647-xLx, xNx
4
2
4
3
Step Screw (quantity) Torque

2M2.5×14 mm, nylon-coated (1) 0.392 Nm
(4 kgfcm)

4M2.5×4.8 mm, nylon-coated (2) 0.392 Nm
(4 kgfcm) Removing and replacing a FRU
120ThinkPad T20, T21, T22, T23 (MT 2647/2648) 

For MT2647-xLx, xNx
5
3
2
5
4
Step Screw (quantity) Torque

2M2.5×14 mm, nylon-coated (1) 0.392 Nm
(4 kgfcm)

5M2.5×4.8 mm, nylon-coated (2) 0.392 Nm
(4 kgfcm) Removing and replacing a FRU
ThinkPad T20, T21, T22 and T23 series121 

2020 Front bezel
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1020 Backup battery”on page 61
v“1030 Hard-disk drive”on page 63
v“1070 Ultrabay 2000 device”on page 73
v“1080 Keyboard”on page 74
v“1090 Keyboard CRU insulator”on page 82
v“1100 Hinge cover”on page 83
v“1110 Keyboard bezel”on page 88
v“1120 Fan assembly”on page 94
v“2010 LCD assembly”on page 119
1
2
1
1
Step Screw (quantity) Torque

1M2.5×4.8 mm, nylon-coated (3) 0.392 Nm
(4 kgfcm) Removing and replacing a FRU...

2030 Inverter card
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1020 Backup battery”on page 61
v“1030 Hard-disk drive”on page 63
v“1070 Ultrabay 2000 device”on page 73
v“1080 Keyboard”on page 74
v“1090 Keyboard CRU insulator”on page 82
v“1100 Hinge cover”on page 83
v“1110 Keyboard bezel”on page 88
v“1120 Fan assembly”on page 94
v“2010 LCD assembly”on page 119
v“2020 Front bezel”on page 122
1
32
Cable routing:When replacing the inverter card, route
the connector cable as in...

2040 LCD panel
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1020 Backup battery”on page 61
v“1030 Hard-disk drive”on page 63
v“1070 Ultrabay 2000 device”on page 73
v“1080 Keyboard”on page 74
v“1090 Keyboard CRU insulator”on page 82
v“1100 Hinge cover”on page 83
v“1110 Keyboard bezel”on page 88
v“1120 Fan assembly”on page 94
v“2010 LCD assembly”on page 119
v“2020 Front bezel”on page 122
v“2030 Inverter card”on page 123
Remove the UltraPort adapter if it has been screwed onto...