Hi Everyone,
my Devil's Dare is working fine.
But It burns sometimes switch matrix riot U4 and switches returns, strobes and enable Z11 to Z15.
I have made all ground mods on the boards.
I don't understand why it burns.
All advices are welcome
IMG_20210120_213044 (resized).jpg

Hi Friends,
well, finally we found the failure.
It was 2 cables near the door, absolutely incredible :
cables were not damaged, but when close together the failure came, and when separated, no failure.
We changed the cables and now the DD works perfect.
Thanks to 3DFLIP in Charleville Mézières in France for his work.