Remove The Coin-Cell Battery - Lenovo IdeaPad 1 Series Hardware Maintenance Manual

Figure 15. Disconnect cables
Step 2. Carefully remove the speakers.
Figure 16. Remove speakers
Go to
https://support.lenovo.com/partslookup
replacement parts:
Speaker

Remove the coin-cell battery

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
"Remove the I/O board" on page 42
36
IdeaPad Series 1 Hardware Maintenance Manual
to look up the Lenovo part numbers of the following