(Topic ID: 287397)

Help wanted : Problem of burning U4 and TTL

By Matt08

3 years ago

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#1 3 years ago

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).jpgIMG_20210120_213044 (resized).jpg

1 year later
#2 2 years ago

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.

#3 2 years ago

That's great. I had a Bonebusters with similar failures. Bad lane change switchstack.

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