21. If you need to remove the second ambient light sensor cables, disconnect the cable from the ZIF
connectors on the second ambient light sensor (1) and hub board (2), and then peel the cables o the
inside of the display back cover to remove them (3).
The second ambient light sensor cable is available in the Cable Kit as spare part number M30646-001.
Display back covers are available as the following spare part numbers:
M30653-001: Models with WWAN, thin
M30654-001: Models with WLAN, thick
M30655-001: Models with WLAN, thin
Reverse this procedure to reassemble and replace the display assembly.
Keyboard with top cover
The top cover with keyboard remains after removing all other spare parts from the computer. In this section,
the rst table provides the main spare part number for the top cover/keyboards. The second table provides
the country codes.
Table
6-13 Keyboard with top cover descriptions and part numbers
Description Spare part number
Keyboard with top cover, backlit M30681-xx1
Keyboard with top cover, not backlit M30682-xx1
Keyboard with top cover, backlit, for use in privacy models M30683-xx1
68 Chapter 6 Removal and replacement procedures for authorized service provider parts