Remove The Lcd Module; Remove The System Board And The Dc-In Cable - Lenovo N23 Chromebook Hardware Maintenance Manual

Figure 11. Pull out the WLAN & Bluetooth combo module
Refer to Table 15 "Part numbers for FRUs (CRUs)" on page 47 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 32
"Remove the WLAN & Bluetooth combo module" on page 36
Step 1. Open sockets and detach the LCD and EDP cables.
Step 2. Remove four screws.
Table 9. Screw specifications — removing the LCD module
Screw Number
location
LCD to 4
base
cover
Step 3. Lift up the LCD module to detach it from the base cover.
The LCD module is not a FRU. Instead, it contains FRUs as its components. Refer to "Disassemble the LCD
module" on page 39 if you need to replace a FRU contained in the LCD module.

Remove the system board and the DC-in cable

"Remove the upper case (with keyboard)" on page 32
"Remove the battery pack" on page 33
"Remove the speakers" on page 34
"Remove the USB board" on page 35
"Remove the WLAN & Bluetooth combo module" on page 36
"Remove the LCD module" on page 37
Step 1. Unplug the DC-in cable
Specifications
M2.5 × 4 mm, flat-head, nylon-coated
1 .
Color
Silver
.
Chapter 5 Removing a FRU or CRU
37