Lenovo N20 Chromebook - Manual (Page 45)

Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 24 to look up the Lenovo part numbers of
replacement speakers.
Remove the system board and the I/O board
Make sure the following FRUs (CRUs) have been removed:
“Remove the keyboard” on page 29
“Remove the upper case” on page 31
“Remove the WLAN & Bluetooth combo module” on page 33
“Remove the LCD module” on page 34
“Remove the dc-in connector” on page 35
“Remove the battery pack” on page 37
“Remove the speakers” on page 38
Step 1. Unplug the coin-cell battery from the system board 1 .
a
Figure 22. Unplug the coin-cell battery
Step 2. Remove the system board 2 and the I/O board 3 .
b
c
Figure 23. Remove the system board and the I/O board
Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 24 to look up the Lenovo part numbers of the
following replacement parts:
System board
I/O board
Base cover (with coin-cell battery)
Chapter 4 . Removing a FRU or CRU 39