NeXT Cube powers up, 3 secs later powers down

[barcher174]

See the cap placements here:

http://www.asterontech.com/Asterontech/040_cube_restore.html

[daniel.dlds]

I don't know how to locate it. Could you post the picture with a drawn circle around the cap ?

Thanks

[barcher174]

In the link I provided check the green circles at the bottom.

[daniel.dlds]

Back at this. It has been a while. So, do you recommend that I remove the ceramic capacitors and put electrolytic ones, or just do a better job at re-soldering the ones that are already in place ?

Anyway, I am thinking of replacing all of them with the ones listed in the link you pasted.
Any one of them electrolytic or not may have failed.

[barcher174]

Ceramics are fine. Just clean up and add the missing one.

[daniel.dlds]

The computer worked before. Is it possible that one of these capacitors went bad ? If so I have to get new ones. Or it is just a case of doing a better job of soldering them ?

[barcher174]

I would be concerned the missing cap destroyed the video chip. It definitely needs to be there.