Lenovo T420 - Manual (Page 128)

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 figure.
122 ThinkPad T420 and T420i Hardware Maintenance Manual