Solved by using older KDE Minimal Version for install.
https://osdn.net/projects/manjaro/storage/kde/20.1.2/manjaro-kde-20.1.2-201019-linux58.iso
Don’t know why. Everything the same as before regarding configuration… 5.10 Kernel also no problems.
Still have to install package sof-firmware manually after install because audio is not working otherwise.