The 029 I used is in the private collection of a mainframe service
company, Will. They are not open to the public and I know of no
computer museum in the area.
However, if you ever get up to the Baltimore area, there is a very
extensive computer museum https://museum.syssrc.com that is curate
> On August 18, 2019 at 12:03 PM Chip Davis via cctalk
> wrote:
>
>
> The 029 I used is in the private collection of a mainframe service
> company, Will. They are not open to the public and I know of no
> computer museum in the area.
>
I was afraid of that. Not surprising; Chattanooga i
I'm working my way through a Tektronix 4006 terminal purchased of eBay right
now. First stage is the low voltage power supplies, and I noticed right away
that one of the multi-stage electrolytic filter caps there was running quite
hot (this was with downstream electronics isolated, and a 40 ohm
On 8/18/19 1:17 PM, Fritz Mueller via cctalk wrote:
> Any part-sourcing gurus out there able to steer me in a good direction here?
Rebuilding cans is a common practice now, since they are LONG out of production.
It is just tedious to do.
There are a few people who make them, for example
https:/
On 8/18/19 1:51 PM, Al Kossow via cctalk wrote:
> Rebuilding cans is a common practice now, since they are LONG out of
> production.
https://www.nmr.mgh.harvard.edu/~reese/electrolytics/
> On Aug 18, 2019, at 1:52 PM, Al Kossow via cctalk
> wrote:
>> Rebuilding cans is a common practice now, since they are LONG out of
>> production.
> https://www.nmr.mgh.harvard.edu/~reese/electrolytics/
Thanks, Al. This is definitely plan B, unless somebody here comes through with
a miracle
There are the old radio guys who seem to hoard NOS caps.
You may want to check these guys to see if they have something that
might fit:
https://www.vivatubes.com/
https://www.justradios.com/
Personally, rather than depend on the condition of a very old
electrolytic, I'd probably rebuild "in the
Folks,
I've determined that the piece of my S/23 that's causing the power
supply to blow its 12V fuse is the machine update card. The manual says
this provides additional R/W storage for microprogram updates. That
sounds like something that wouldn't be necessary for normal operation.
Questions:
On 08/18/2019 06:38 PM, Dennis Boone via cctalk wrote:
Folks,
I've determined that the piece of my S/23 that's causing the power
supply to blow its 12V fuse is the machine update card. The manual says
this provides additional R/W storage for microprogram updates. That
sounds like something t
