Remove The System Board And The System Board Cable - Lenovo Legion Go 8APU1 Hardware Maintenance Manual

"Remove the solid-state drive (SSD)" on page 30
"Remove the speaker with antenna" on page 30
"Remove the battery pack bracket" on page 33
"Remove the audio board" on page 36
Step 1. Remove the power board cable.
Figure 21. Remove the power board cable
Go to https://support.lenovo.com/partslookup
part:
Power board cable

Remove the system board and the system board cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the game controller" on page 26
"Remove the lower case" on page 27
"Disconnect the battery pack cable" on page 28
"Remove the LCD bracket" on page 28
"Remove the SSD cable holder graphite" on page 29
"Remove the solid-state drive (SSD)" on page 30
"Remove the speaker with antenna" on page 30
"Remove the battery pack bracket" on page 33
"Remove the fan" on page 34
"Remove the heat sink" on page 35
Step 1. Disconnect cables connected to the system board.
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Hardware Maintenance Manual
to look up the Lenovo part number of the following replacement