"Remove the lower case" on page 32
Step 1.
Disconnect the left speaker cable from the system board. Then, disconnect the right speaker cable
from the I/O board.
Figure 21. Disconnect cables
Step 2.
Carefully remove the speakers.
Figure 22. Remove speakers
Go to
https://support.lenovo.com/partslookup
replacement parts:
Speakers
to look up the Lenovo part numbers of the following
.
Chapter 4
Removing a FRU or CRU
43