[rescue] Sun 3/50 BTW (and Sun 2 keyboard)
jjhudak at gmail.com
Mon Feb 26 23:30:58 CST 2018
The group that has been learning to rebuild CRTs is the Early Television
Org, located in Hillard, OH.
Here is a link that describes the process and their efforts to implement
It is not clear if they offer the service outside of the organization.
On Mon, Feb 26, 2018 at 11:32 PM, Matt Patoray <mspproductions at gmail.com>
> Sent from my iPhone
> > On Feb 26, 2018, at 5:53 PM, Ian Finder <ian.finder at gmail.com> wrote:
> > Hi Peter,
> > So it is the typical oxidation problem on the cathode?
> > OK, I think I know someone local with a CRT rejuvenator. I'll give that a
> > go.
> Yes it is a common thing to happen to old display tubes that sit around,
> b come upb ok on their own after being used for half an hour or so, some
> not and need a little love tap from a rejuvenator.
> If you are going to use a rejuvenator, try and get ahold of a Sencore
> CR-70 or
> CR-7000. They are much gentler on the tube then the B&K rejuvenators.
> Before you rejuvenate, make sure you test the CRT completely to make sure
> there are no shorts of any type.
> Also be careful when removing the connector on the CRT base, monochrome
> CRTb s have really thin glass at the neck and it is not hard to break. And
> once a CRT reaches atmospheric pressure there is currently nothing that
> can be
> done to repair it. But there is a group in Columbus Ohio that is working on
> setting up a CRT rebuilding operation.
> > And I've learned this ECL display will be forever destined for the Sun
> > 3/260 (at 1600x1200) as it is indeed single-sync. Bummer.
> > Still, for the 2/120 I have two video options:
> > 1) I have some sort of Extron ECL video converter in the garage, I'll
> > a closer look at this once the keyboard and mouse arrive (thanks, kind
> > member!) and report back.
> > 2) Failing that, I can switch the framebuffer to TTL and rig up my own
> > adapter.
> > I have plenty of (color) monitors that will handle the resolution and
> > timings in question- and I'm quite pleased to have found the requisite
> > matching input devices. :)
> > Perhaps the correct monitor will turn up eventually...
> > - Ian
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
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