[rescue] Motherboard cleaning..

[John Ruschmeyer]

Pull the power supply and the good upgrades; trash the rest. Then look for
someone on ebay or LEMSWAP with one that has a dead PS. It should be a lot
cheaper that way.


On Fri, May 24, 2013 at 12:14 PM, Christopher Purdy <
escher.beretta.2112 at gmail.com> wrote:

> Well, this saga has come to an end...
>
> Re assembled last night.... and the rat bastards won..
>
> I can get the fans to turn on, and a red led on the MB to light - but the
> power button doesnt stay lit, no video, and no chime...  I think she's dead
> Jim...  I've zapped the pram...no luck...
>
> Bummer... it was a favorite machine of mine..  for no reason other than I
> always wanted one.  Its too bad people are asking crazy amounts on CL for
> these..
>
> Ohh well - I had some nice upgrades in there that I can re-sell - like the
> Copper heatsink and a flashed ATI video card..
>
> - Chris
>
>
> On Wed, May 22, 2013 at 10:13 AM, Barry Callahan <barryc at rjlsystems.com
> >wrote:
>
> > If there's still any gunk on the boards that you'd really like off, a
> > firm-bristled toothbrush with some sort of rinse, even just under the
> > faucet can do wonderful things. or use the alcohol.
> >
> > Dentists are all about how you should use a soft toothbrush so that's
> what
> > most of the store shelves are full of, but most places carry at least a
> few
> > firm ones
> >
> > Christopher Purdy <escher.beretta.2112 at gmail.com> wrote:
> >
> > >Just an update - I pulled the board and video card last night and did
> > >the
> > >wash... much better, but still some traces...
> > >
> > >I shook both out until no more water was coming from the ports and then
> > >went nuts with the alcohol... then shook most of that out..
> > >
> > >Both boards are drying since last night... I'll likley bake them at
> > >around
> > >125 tonight for a while to ensure the drying and give it another day or
> > >so...
> > >
> > >
> > >On Thu, May 16, 2013 at 2:30 PM, Mark Brown <sunrescue1 at marknmel.com>
> > >wrote:
> > >
> > >> On 5/16/2013 12:36 PM, Barry Callahan wrote:
> > >>
> > >>> We actually have a dishwasher in our shop for the express purpose of
> > >>> washing PCBs, post assembly. In our case, they're cleaning excess
> > >flux and
> > >>> removing soldermask paste. (for preventing vias from being soldered
> > >when
> > >>> using a wave-solderer) They use rubber bands to hold the boards in
> > >place so
> > >>> they don't get jostled around.
> > >>>
> > >>> If the board is really bad, you might put it in for a full wash +
> > >rinse
> > >>> cycle ** DO NOT USE DETERGENT ** and use the high-temp wash & rinse
> > >>> settings if your dishwasher is so equipped.
> > >>>
> > >>> The alcohol bath may not be a bad idea, but it's not something we do
> > >>> here. To dry out the boards, we actually stick 'em in an
> > >environmental
> > >>> chamber and bake 'em at ~60 celsius (140 F) for a couple hours. Your
> > >oven's
> > >>> "warm" setting would probably work just fine.
> > >>>
> > >>>
> > >>>
> > >>>  I used to work with a fella that worked at Honeywell (Keyboards).
> > >I
> > >> think he was a line manager for the electronics side of the keyboard.
> > >>  There was a quality issue with the boards coming from that plant and
> > >I
> > >> seem to recall the discussion was around cleanliness. (our
> > >conversation
> > >> about this was over twenty years ago...).   The remediation was to
> > >install
> > >> a dishwasher on the line - and that was the solution to the problem.
> > >I
> > >> figured it was for the reasons listed above by Barry.
> > >>
> > >> And to the OP (Christopher - I think....) , don't be in a hurry to
> > >fire
> > >> the system back up after the wash cycle.  Put it on the shelf for a
> > >month
> > >> and forget about it for a while until is is most certainly dry.
> > >>
> > >> Good luck!  Let us know the results....
> > >>
> > >> /M
> > >>
> > >> ______________________________**_________________
> > >> rescue list -
> > >http://www.sunhelp.org/**mailman/listinfo/rescue<
> > http://www.sunhelp.org/mailman/listinfo/rescue>
> > >>
> > >
> > >
> > >
> > >--
> > >Christopher Purdy
> > >www.promethean-visions.com
> > >_______________________________________________
> > >rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
> > >
> > >--
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>
>
>
> --
> Christopher Purdy
> www.promethean-visions.com
> _______________________________________________
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