On 2024/01/29 12:45 p.m., William Sudbrink via cctalk wrote:
Sellam Abraham wrote:
I think you were fine. That's how you discharge them anyway. You were just
missing the grounding wire :)
Yes, I have one set up for just that purpose. Wire clamped to the shaft with
an alligator at the
On Mon, 29 Jan 2024 at 23:07, Bill Degnan via cctalk
wrote:
> Anyone have a VMEbus system they use at least occasionally? If so, what
> make/model/config?
> Bill
>
Do you mean use as in collect and keep in working condition, or as in run
for productivity?
-Henry
Anyone have a VMEbus system they use at least occasionally? If so, what
make/model/config?
Bill
> On Jan 29, 2024, at 8:47 PM, Jonathan Chapman via cctalk
> wrote:
>
>> This apparently is true of some capacitors as well, I'm not sure which types.
>
> It is true of all capacitors (CRTs are intentional capacitors, after all)
> designed for and subjected to sufficiently high voltage.
> This apparently is true of some capacitors as well, I'm not sure which types.
It is true of all capacitors (CRTs are intentional capacitors, after all)
designed for and subjected to sufficiently high voltage. It's referred to as
dielectric absorption, and is why HV caps ship from the factory
> On Jan 29, 2024, at 6:59 PM, Pete Turnbull via cctalk
> wrote:
>
> On 29/01/2024 20:45, William Sudbrink via cctalk wrote:
>> Sellam Abraham wrote:
>>> I think you were fine. That's how you discharge them anyway. You
>>> were just missing the grounding wire :)
>
>> I'd rather not be the
On 29/01/2024 20:45, William Sudbrink via cctalk wrote:
Sellam Abraham wrote:
I think you were fine. That's how you discharge them anyway. You
were just missing the grounding wire :)
I'd rather not be the electron sink In this case. I've never taken a
hit off of a CRT have you?
Yes,
Sellam Abraham wrote:
> I think you were fine. That's how you discharge them anyway. You were just
> missing the grounding wire :)
Yes, I have one set up for just that purpose. Wire clamped to the shaft with
an alligator at the other end.
But I was so pissed off, I just grabbed a
> On 01/29/2024 2:00 PM CST Sellam Abraham via cctalk
> wrote:
>
>
> On Mon, Jan 29, 2024 at 9:55 AM William Sudbrink via cctalk <
> cctalk@classiccmp.org> wrote:
> > dripping. Anyway, like Wile E Coyote, after I had shoved a screwdriver
> > under the uncooperative anode cap and finally
On Mon, Jan 29, 2024 at 9:55 AM William Sudbrink via cctalk <
cctalk@classiccmp.org> wrote:
> There are several YT videos as you mentioned. Definitive is in the eye of
> the beholder, I think. In hindsight, I would remind people to keep their
> cool and carefully think through the safety
> On Jan 29, 2024, at 9:54 AM, William Sudbrink via cctalk
> wrote:
> ...the anode cap on the leaking CRT had gone rock hard and there was a small
> "streak" on the back of the CRT that looked like the plastic that it was made
> of had released some sort of oil…
Often times dielectric
There are several YT videos as you mentioned. Definitive is in the eye of the
beholder, I think. In hindsight, I would remind people to keep their cool and
carefully think through the safety procedures related to CRTs before starting
any work. I totally forgot to discharge my CRT but I got
Is there a definitive guide for repairing screen rot. One of mine needs
it. I have watched others but I have not attempted my own. I might try
this at the Kennett Classic workshop this upcoming Feb 17th
Bill
On Mon, Jan 29, 2024 at 11:41 AM William Sudbrink via cctalk <
cctalk@classiccmp.org>
A quick note on ADM3a screen rot... my vintage collection resides in a cool
(60-72 degrees F) dry basement. My "pride and joy" ADM3a (I have several)
was just starting to show a few bubbles at the corners last September. I
was pulling out some parts units on Friday and noticed that one had a
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