[Coco] Best way to clean up FD501 controller board.

[Mike Pepe]

The FD-501 controller pins are indeed gold plated- the only Tandy
controller to do so.

> -----Original Message-----
> From: coco-bounces at maltedmedia.com [mailto:coco-
> bounces at maltedmedia.com] On Behalf Of Bob Devries
> Sent: Wednesday, March 12, 2008 3:45 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] Best way to clean up FD501 controller board.
> 
> There's a good chance that you fixed the problem when you cleaned the
> edge
> connectors. They are notoriously flaky and prone to bad connections.
> They
> would have been better if they'd been gold-plated, like the Disto
ones.
> SIGH
> 
> 
> --
> Regards, Bob Devries, Dalby, Queensland, Australia
> 
> Isaiah 50:4 The sovereign Lord has given me
> the capacity to be his spokesman,
> so that I know how to help the weary.
> 
> website: http://www.home.gil.com.au/~bdevasl
> my blog: http://bdevries.invigorated.org/
> 
> ----- Original Message -----
> From: "William Schaub" <wschaub at steubentech.com>
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Sent: Thursday, March 13, 2008 8:39 AM
> Subject: Re: [Coco] Best way to clean up FD501 controller board.
> 
> 
> >I didn't unsocket the chips as they looked pretty good. I did take
the
> >toothbruch with alchohol to teh edge connectors as well. I pretty
much
> >scrubbed every inch. and its comming up now and the drive reads and
> writes
> >fine.
> >
> >
> > Mark McDougall wrote:
> >> William Schaub wrote:
> >>
> >>> I just Gave this a try, all I could find was 50% isopropyil
alcohol
> It
> >>> seems to have worked quite well. I'm waiting for the alcohol to
dry
> off
> >>> and then I will give it another go hopefully it will work this
time
> >>> round. otherwise I will be wanting a new controller  I would be
> glad to
> >>> give the non-working board as a source of parts.
> >>
> >> What exactly are you cleaning? Just a general clean of the PCBA
> surface
> >> won't do a lot...
> >>
> >> You need to remove the socketed chips and clean the pins, and the
> sockets
> >> if you can. Also paramount are the card-edge connectors on either
> end of
> >> the board. Anything else is little more than cosmetic...
> >>
> >> Regards,
> >>
> >
> >
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> 
> 
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