Remove The System Board - Lenovo IdeaPad Flex 5i Chromebook Hardware Maintenance Manual

Figure 14. Remove the speaker
Go to
https://support.lenovo.com/partslookup
part:
Speaker

Remove the system board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
"Remove the battery pack" on page 29
"Remove the solid-state drive (SSD)" on page 30
"Remove the heat sink" on page 33
Step 1. Disconnect cables connected to the system board.
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
35