I still have a problem with the same hash board
Now, after replacing some chips, I had a problem with another chip, the point is that the values on CKL and other points are not OK even after replacing two correct chips.
I will try to present you my problem through pictures

How to multimeter parameters

https://imgur.com/SVVyvXK

Start loading the saw

https://i.imgur.com/FSy1BLz.jpg
https://i.imgur.com/fEz9bQU.jpg

start testing

https://i.imgur.com/fEz9bQU.jpg
https://i.imgur.com/gVs19Rc.jpg

Chain 2 find 0 asic and look at the values on the multimeter which should be from 0.7v to 0.9v

https://i.imgur.com/HbjoMMx.jpg
https://i.imgur.com/qDl9k91.jpg
https://i.imgur.com/CkACRRN.jpg
https://i.imgur.com/ayeHcwM.jpg
https://i.imgur.com/rl0iujl.jpg

Measuring only the CLK on the previous chip shows the correct values

https://i.imgur.com/Mluu1mq.jpg
https://i.imgur.com/Qz87PFc.jpg

If you think I'm not doing something right feel free to write to me because I'm a beginner