View Single Post
Old 03-13-2018, 05:44 AM   #4
piernov
Badcaps Veteran
 
Join Date: Jan 2016
City & State: Valbonne, 06
My Country: France
I'm a: Knowledge Seeker
Posts: 1,236
Default Re: ASRock B75M-GL dead /water damage/

Quote:
Originally Posted by Joe Black View Post
Thank you very much, really informative!

P4 connector - 3.7 ohm with CPU, 8.8 kohm w/o.

output caps-same.
No short between coils and gnd, so I think it's high side.
Indeed it seems so.

Quote:
Originally Posted by Joe Black View Post
So, when I remove shorted one, I should measure few kiloohms on P4 with CPU in?
Yes, that's the first thing you have to do.

Quote:
Originally Posted by Joe Black View Post
Furthermore, I tried powering board on w/o P4. No signs of life (I believe PSU should start, right?)
It should start but try to remove the MOSFET anyway, maybe it's still preventing the board from powering on.
__________________
OpenBoardview http://openboardview.org | IRC #openboardview@irc.freenode.net
piernov is online now   Reply With Quote