I see that you still do not answer my questions, nor do you produce usable logs or screenshots, at least do one thing for me.
Please measure the DVB-T coaxial input with a multimeter in VDC position when you use my build, in this way:
At least I would like to get an answer to this question: Can the 5V DC antenna supply be measured at the input or not?
Now HEVC channels are working.
I again create SD card with LE same as first time, then install only addon TVHeadend with my userdata, and dvb-t2 (HEVC) channels are woking now well.