Repairing A4000 leaky NiCd damage?

[Charles]

well change all the Elertrolytics first. They are all toast.

clean it up really good, and try it. it might still work anyways.

Charles
MacCaps.com

ps:
make sure to change the caps on the cpu card as well.
I re-cap many of these for people.

 

On Jan 2, 2015, at 1:23 AM, Ethan Dicks <ethan.dicks at gmail.com> wrote:

> Happy New Year, all!
> 
> Has anyone here gone through the process of reparing leaky NiCd damage
> to an A4000 motherboard?  I _thought_ I had removed the battery some
> time ago but puttering around today, I cracked open the case to find
> the battery still there and some damage around U891 (a 74F245) and
> U850 (Bank 3 DIMM socket).  I have washed off the residue but I may
> have to pull a DIMM socket to get access to the vias under it.
> 
> I know the general process, but I'm curious if anyone has done this
> specifically to an A4000 board and has any tips.  As I said, I'm
> probably going to have to pull the DIMM socket to get to all the
> damage.
> 
> Barring success from running a dozen or so repair wires, would anyone
> happen to have a lead on an A4000 motherboard?  Everything else in the
> machine should be good, the Daughter Card, the CPU card, etc...
> 
> It's my only A4000, so I'd like to get it back up and running, or
> replace it if necessary.
> 
> Thanks for any tips,
> 
> -ethan