WM3600HWA dead main PCB smells burnt

Washer Repair
1

Brand:LG
Model Number:WM3600HWA
Main Symptom:Dead
What happens & when:

Error Code (if any):PF
Parts or tests already tried:
Photos / video link:

2

Sounds like the main control AP6993031 needs to be replaced. I’d also check all wiring and components for any visible damage, disfigurement, and/or discoloration that may indicate a cause of the main control’s failure.

https://www.appliancepartspros.com/lg-pcb-assembly-main-ebr86771819-ap6993031.html