David,
Yes, that is exactly what I have thought about and it is what it is.
Sometimes I get lucky with things like this and sometimes not.
I also have a Sony Sobax calc that is, for the most part, a doorstop. There
isn’t a single IC that I can identify - and there must be
near 100 of
> On Sep 26, 2021, at 4:07 PM, Dekatron42 wrote:
>
> I think it should not be to hard to reverse engineer the design and make your
> own similar modules if necessary.
Is there a convenient way to remove the encapsulating material? I've seen this
done with other equipment. Typically potted in
Hello all,
Does anyone have any knowledge of these packaged electronic circuits
(PEC’s) that
are used in VICTOR calculators with PANAPLEX displays? The VICTOR part number is
shown in big numbers and the smaller number's significance is unknown. I have a
unit
that is missing the
Burroughs used similar modules (as did probably other companies too) in
some of their designs. I think it should not be to hard to reverse engineer
the design and make your own similar modules if necessary.
Have you tried to swap two modules to see if the fault follows the module?
Do you have
Richard,
I have never, not once in my long life, seen a data sheet for, much less
spare units of, modules of this sort as used in calculators. They were
designed for a very specific purpose for OEM customers and not published.
You could get really lucky and find them, but don't expect to.
Your
Hi Folks, still clearing out the man cave hereif any of you collectors
out there are interested in symbol nixies I have some I'm looking to part
with. Private message me if interested. Most are NOS, some are used. All
tested before mailing though.
Cheers,
Nick
*B5016*
+, −
*B5018*
Does anyone know where to find a schematic for a Philips PM2423 Nixie
digital multimeter, please ?
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Hi Terry,
I have never seen it done with this type of “hard forming” dipped
encapsulation.
There might be the chance of dissolving the innards along with the epoxy!
I’ve seen epoxy that fills a mold to cover parts and I think that is dissolvable
but I can’t be sure. In any case, this
I would agree that dis-encapsulating would be a long shot. Many years ago I
worked with a company (MuRata?) to create a PLL module for a HDD
controller.
The module was a SIP, like yours designed on a thin ceramic substrate.
Resistors were screen printed on the ceramic while caps, ICs
Hi Martin,
I’m sure Burroughs used (and maybe designed) these modules since the
Panaplex was their creation.
I have a schematic for a similar Victor calc model 18-1721 and mine is 18-1441.
They are mostly identical
except the 1721 has scientific functions and somewhat different logic
Not mine
just spot it
and until I found a way to make the bid on Japan (from Jauce .com ) , the
auction ended
next time
On Sunday, September 26, 2021 at 4:08:38 PM UTC+3 tntm...@gmail.com wrote:
> I'm not quite sure why it ended right after you sent it... cool tube
>> though.
>
>
--
You
Hello friends ,
for whom might be interested :
just saw an CD27
https://page.auctions.yahoo.co.jp/jp/auction/f1007163794
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