[Test-Equipment] SOLA CV Transformer

[Barry]

I should have mentioned that the model number for the SOLA is 30488.  It is designated as having 115V input and 6V output.

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: "Barry" <n4buq at knology.net>
> To: "Discussion of Electronic Test Equipment" <test-equipment at mailman.qth.net>
> Sent: Thursday, April 15, 2021 7:17:43 AM
> Subject: [Test-Equipment] SOLA CV Transformer
> 
> Hi folks,
> 
> Anyone here familiar with older SOLA Constant Voltage transformers?  I have
> one from a VTVM that was manufactured in the late 1950s and it is failing
> after warming up.  I presume that resonance capacitor is going bad - perhaps
> exacerbated with heat.
> 
> I opened the unit up and it has a significant amount of tar(?) poured
> in/around the transformer.  The cap is somewhat in a better position to be
> replaced and I think I can dig enough of the goo out from around it to get
> it out so this might not be too bad of an operation but I thought I'd ask
> for any advice from the group as to how I might go about this.
> 
> Furthermore, if I can get it out, I'm thinking it might not be marked and, if
> so, I don't know what value capacitor should go back in there so looking for
> advice on that as well.
> 
> Thanks,
> Barry - N4BUQ
> 
> ______________________________________________________________
> Test-Equipment mailing list
> Home: http://mailman.qth.net/mailman/listinfo/test-equipment
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Test-Equipment at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>