[vcf-midatlantic] PET keyboard question

[william degnan]

So Brace was correct, thanks guys I will investigate this angle.

Bill Degnan
twitter: billdeg
vintagecomputer.net
On Nov 2, 2017 6:02 PM, "Alexander via vcf-midatlantic" <
vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:

>
>
> ---------- Forwarded message ----------
> From: Alexander <ajpierson1 at yahoo.com>
> To: vcf-midatlantic <vcf-midatlantic at lists.vintagecomputerfederation.org>
> Cc:
> Bcc:
> Date: Thu, 02 Nov 2017 18:02:02 -0400
> Subject: Re: [vcf-midatlantic] PET keyboard question
> I saw the silver paint-on used in a PET keyboard repair for the first time
> recently.  It seems like it was an effective fix.  However, I have only
> seen that done to a single PET, so I don't think it's a common solution.
> That would be my next choice, seeing as the isopropyl didn't help things.
>
> -Alexander 'Z' Pierson
>
> Sent from my pocket telephone.
>
> william degnan via vcf-midatlantic <vcf-midatlantic at lists.
> vintagecomputerfederation.org> wrote:
>
> >I could but I am looking for  what someone who successfully restored a
> dead
> >keyboard did.  I never heard anyone putting colloidal silver on a pet
> >keyboard before.
> >
> >Bill Degnan
> >twitter: billdeg
> >vintagecomputer.net
> >On Nov 2, 2017 4:48 PM, "Jeffrey Brace via vcf-midatlantic" <
> >vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:
> >
> >How about putting silver on the contacts?
> >
> >On Thu, Nov 2, 2017 at 4:21 PM, william degnan via vcf-midatlantic <
> >vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:
> >
> >> I used the 91% with qtip on both.  I could try the eraser why not...but
> my
> >> method should have worked
> >>
> >> Bill Degnan
> >> twitter: billdeg
> >> vintagecomputer.net
> >> On Nov 2, 2017 3:53 PM, "Justin Jernigan via vcf-midatlantic" <
> >> vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:
> >>
> >> >
> >> > >>I searched the web and did not find any specific best way to handle
> >> keys
> >> > >>that have no response at all given my described situation. Most
> places
> >> > say
> >> > >>"clean everything"....OK tried that. What does one do specifically
> >> > >>(materials and procedure) to clean the black carbon contact points
> to
> >> > >>ensure conductivity? This is not the same issue as the SOL/Tandy-II
> >> > >>keyboard problem with the dried-out pads. The PET has springs, and
> >this
> >> > >>particular keyboard has no rust and very little crud. There must be
> >> > >>something microscopic like a thin film that needs to be cleared. I
> >> > believe
> >> > >>the pads are extending and contacting the control board. I tried
> using
> >> > >>deoxit and isopropyl alcohol. Hope I did not ruin. I was able to
> get a
> >> > >>few keys to work but there are a lot more to fix.
> >> >
> >> > I use alcohol (91%) and a qtip on both the contact points and the
> carbon
> >> > pads.  Have you tried using a pencil eraser on the board contact
> points?
> >> > Might be worth it on the carbon points as well (pencil eraser) and
> then
> >> > clean again with alcohol.
> >> >
> >>
>
>