Remove The Wlan & Bluetooth Combo Module; Remove The Lcd Module - Lenovo N42-20 Chromebook Hardware Maintenance Manual

Remove the WLAN & Bluetooth combo module
Make sure the following FRUs (CRUs) have been removed and the battery connector has been detached.
"Remove the upper case (with keyboard)" on page 25
Step 1. Disconnect the white and black cables from the WLAN & Bluetooth combo module.
Figure 9. Disconnect antenna cables
Step 2. Remove the screw.
Table 6. Screw specifications — removing the WLAN & Bluetooth combo module
Screw
location
WLAN&Bluetooth
combo card
to base
cover
Step 3. Pull out the WLAN & Bluetooth combo module in the direction shown by the arrow
Figure 10. Pull out the WLAN & Bluetooth combo module
Refer to Table 12 "Part numbers for FRUs (CRUs)" on page 37 to look up the Lenovo part numbers of
replacement WLAN & Bluetooth combo modules.

Remove the LCD module

Make sure the following FRUs (CRUs) have been removed and the battery connector has been detached.
"Remove the upper case (with keyboard)" on page 25
"Remove the WLAN & Bluetooth combo module" on page 29
a
a
Number Specifications
1 M2 × 3mm, flat-head, nylon-coated
Color Torque
Black 1.85 +/-
0.15kgf-cm
3 .
.
Chapter 4 Removing a FRU or CRU
29