Remove The Audio Board - Lenovo 8APU1 Hardware Maintenance Manual

"Remove the speaker with antenna" on page 32
"Remove the battery pack bracket" on page 34
"Remove the fan" on page 35
Step 1. Remove three screws and then remove the heat sink.
Figure 20. Remove the heat sink
Screw specifications
M2 x L2.5
Go to
https://support.lenovo.com/partslookup
part:
Heat sink

Remove the audio board

Make sure the following FRUs (CRUs) have been removed.
"Remove the game controller" on page 26
"Remove the lower case" on page 28
"Disconnect the battery pack cable" on page 29
"Remove the SSD cable holder graphite" on page 30
"Remove the solid-state drive (SSD)" on page 31
"Remove the speaker with antenna" on page 32
"Remove the battery pack bracket" on page 34
Step 1. Disconnect cables connected to the audio board.
Number of screws
3
to look up the Lenovo part number of the following replacement
.
Chapter 4 Removing a FRU or CRU
37