Are you sure your audio is ALC293 and not ALC256?
Here, replace the Config file and DSDT.aml with the attached
Once booted, do the following:
Remove the following kexts from /L/E
AppleHDA_ALC293.kext
Remove from /S/L/E <- duplicate from /L/E
EAPDFix.kext
AppleBacklightInjector.kext
ACPIBacklight.kext
Add to /S/L/E
VoodooI2CHID.kext & VoodooI2C ( you already got this one)
https://github.com/alexandred/VoodooI2C/releases
Repair permission and rebuild cache
Reboot
7480_Tuóng.zip