Lenovo T420 Tablet User Manual


 
2070 Hinges and LCD rear cover assembly
For access, remove these FRUs in order:
“1010 Battery pack” on page 63
“1020 ExpressCard blank bezel” on page 64
“1050 DIMM slot cover” on page 69
“1070 PCI Express Mini Card for wireless WAN” on page 71
“1080 Keyboard” on page 73
“1110 PCI Express Mini Card for wireless LAN” on page 81
“1120 Keyboard bezel assembly, FPC cable, and Bluethooth daughter card” on page 83
“1150 Speaker assembly” on page 91
“1160 LCD unit” on page 93
“2010 LCD bezel assembly” on page 112
“2020 LED board” on page 113
“2030 Integrated camera” on page 115
“2040 LCD panel and LCD cable” on page 117
“2050 Camera cable” on page 119
“2060 Wireless LAN antenna assembly or wireless LAN/WAN antenna assembly” on page 120
Removal steps of hinges and LCD rear cover assembly
3
2
1
1
1
1
2
3
Step Screw (quantity) Color
Torque
1
M2.5 × 4 mm, wafer-head, nylon-coated (4)
Black 0.392 Nm
(4.0 kgfcm)
When installing: Attach the hinges as shown in the following gure.
122 ThinkPad T420 and T420i Hardware Maintenance Manual