IBM Thinkpad A20mp A21mp A22mp Manual

Step Screw (quantity) Torque

2M2.6×2.8 mm, nylon-coated (2) 0.392 Nm
(4 kgfcm)

4M2.5×4.8 mm, nylon-coated (2) 0.392 Nm
(4 kgfcm) Removing and replacing a FRU
ThinkPad A20m/p, A21m/p and A22m/p95 

2020 Front bezel
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1050 Hard-disk drive or RF ID adapter”on page 67
v“1060 Ultrabay 2000 device”on page 69
v“1070 Keyboard”on page 71
v“1080 Keyboard CRU insulator”on page 74
v“1090 Hinge cover and clear sheet icon”on page 75
v“1100 Keyboard bezel and speaker”on page 76
v“2010 LCD assembly”on page 94
12.1-in. panel
Step Screw (quantity) Torque

1M2.5×4.8 mm, nylon-coated (3) 0.392 Nm
(4 kgfcm) Removing and replacing a FRU
96ThinkPad...

14.1-in. and 15.0-in. panels
Step Screw (quantity) Torque

1M2.5×4.8 mm, nylon-coated (2) 0.392 Nm
(4 kgfcm) Removing and replacing a FRU
ThinkPad A20m/p, A21m/p and A22m/p97 

Note:Only the front bezel for the 15.0-in. XGA TFT (LG)
has a identifying mark (V), as in the following
figure. For the FRU list, see“15.0-in. XGA TFT
(LG)”on page 138.
Removing and replacing a FRU
98ThinkPad A20m/p, A21m/p, A22m/p 

2030 Inverter card
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1050 Hard-disk drive or RF ID adapter”on page 67
v“1060 Ultrabay 2000 device”on page 69
v“1070 Keyboard”on page 71
v“1080 Keyboard CRU insulator”on page 74
v“1090 Hinge cover and clear sheet icon”on page 75
v“1100 Keyboard bezel and speaker”on page 76
v“2010 LCD assembly”on page 94
v“2020 Front bezel”on page 96
12.1-in. panel
Step Screw (quantity) Torque

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

14.1-in. and 15.0-in. panels
Step Screw (quantity) Torque

1M2.5×4.8 mm, nylon-coated (1) 0.392 Nm
(4 kgfcm)
Removing and replacing a FRU
100ThinkPad A20m/p, A21m/p, A22m/p 

2040 LCD panel
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1050 Hard-disk drive or RF ID adapter”on page 67
v“1060 Ultrabay 2000 device”on page 69
v“1070 Keyboard”on page 71
v“1080 Keyboard CRU insulator”on page 74
v“1090 Hinge cover and clear sheet icon”on page 75
v“1100 Keyboard bezel and speaker”on page 76
v“2010 LCD assembly”on page 94
v“2020 Front bezel”on page 96
v“2030 Inverter card”on page 99
12.1-in. panel
Step MT Screw (quantity) Torque

12628-Dxx, Qxx,
1xx,...

(continued)
Removing and replacing a FRU
102ThinkPad A20m/p, A21m/p, A22m/p 

14.1-in. and 15.0-in. panels
Step MT Screw (quantity) Torque

12628-Fxx, Pxx,
Rxx, 3xxM2×5.7 mm,
nylon-coated (4)0.245 Nm
(2.5 kgfcm)
2628-Exx, Gxx,
Xxx, Txx and
2633-Gxx, Txx, 4xxM2×5.7 mm,
nylon-coated (4)0.167 Nm
(1.7 kgfcm)
2628-Sxx and
2629M2×5.1 mm,
nylon-coated (4)0.196 Nm
(2.0 kgfcm)
(continued)
Removing and replacing a FRU
ThinkPad A20m/p, A21m/p and A22m/p103 

vFor the 14-in. LCD, the LCD cable is taped onto the
connector. Tear off the tape before disconnecting the
LCD cable in step
4.
vThe LCD cable for the 15.0-in. UXGA LCD (27L0598)
and the LCD cable for the 15.0-in. SXGA+ LCD
(27L0488) have the UltraPort connector and need step

6. If the UltraPort adapter has been screwed onto the
LCD, remove the adapter before step
6. To do this,
remove the screws from both sides of the adapter as
shown in the figure
2a. For other cable, do as shown
in the...