Has My VAXmate Flyback Transformer Failed?
robert.jarratt at ntlworld.com
Wed May 13 03:03:17 CDT 2020
> -----Original Message-----
> From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Holm Tiffe via
> Sent: 13 May 2020 08:19
> To: Rob Jarratt via cctalk <cctalk at classiccmp.org>
> Subject: Re: Has My VAXmate Flyback Transformer Failed?
> Rob Jarratt via cctalk wrote:
> > I have been looking at the flyback transformer from my VAXmate. I
> > think it could have failed but I can't be completely sure. I have
> > posted a description here:
> > https://robs-old-computers.com/2020/05/12/vaxmate-flyback-transformer/
> > Can anyone offer an opinion?
> > Thanks
> > Rob
> Hi Rob,
> I think that the FBT is bad and it is the cause for overloding that diode
> This is an usual scenario for old Monitor Hardware, nothing new.
> The Epoxy in the FBT gets hard and brittle over the time and therefore it
> internally..causing winding shorts or opens.
> Look if you can get an replacement FBT somwehre on the surplus market.
> Please post all the numbers on the FBT-Label..if any exists.
I have already tried that but I will try again. For information the label
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