Lenovo manual ThinkPad T420 and T420i Hardware Maintenance Manual

2060 Wireless LAN antenna assembly or wireless LAN/WAN antenna 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

Removal steps of wireless LAN antenna assembly or wireless LAN/WAN antenna assembly

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When installing: When you install the antenna kit, route the cables as shown in the figure above. As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.

120ThinkPad T420 and T420i Hardware Maintenance Manual