Lenovo ThinkPad Helix 20CG Hardware Maintenance Manual page 80

• "1130 Thermal module" on page 65
• "1140 USB-connector bracket" on page 67
• "1170 System board" on page 71
Removal steps of the wireless-WAN antenna assembly
The wireless-WAN antenna assembly is only available on some models.
Attention: When installing the antenna assembly, route the cables as shown in the following illustration.
Ensure that the cables are not twisted or subject to any tension. Tension could cause the cables to be
damaged by cable guides.
a
Wireless-WAN antenna (Main)
b Wireless-WAN antenna (Auxiliary)
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ThinkPad Helix Hardware Maintenance Manual
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a
1