IBM Thinkpad T20 T21 T22 T23 Manual
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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 attached1and you have fastened the connector firmly to the underside of the system board2. 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 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 bay”on page 105 v“1170 Ultrabay 2000 slot”on page 107 v“1180 System board”on page 113 When installing:Make sure that the connector is firmly attached. Removing and replacing a FRU ThinkPad T20, T21, T22 and T23 series11 7
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 bay”on page 105 v“1170 Ultrabay 2000 slot”on page 107 v“1180 System board”on page 113 Cable routing:When replacing the cable, make sure the connector is firmly attached into placea. Cable slacking is only allowed at the b-part of the frame. ab Removing and replacing a FRU 11 8ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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 replacing a FRU ThinkPad T20, T21, T22 and T23 series11 9
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 122ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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 the following figure: Removing and replacing a FRU ThinkPad T20, T21, T22 and T23 series123
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 the LCD. To do this, remove the screw from both side of the adapter as shown in the figure1a. Remove the connector cover for the others as shown in the figure1b. 1a1b (continued) Removing and replacing a FRU 124ThinkPad T20, T21, T22, T23 (MT 2647/2648)