> -----Original Message-----
> From: cctalk <[email protected]> On Behalf Of Holm Tiffe via
> cctalk
> Sent: 13 May 2020 08:19
> To: Rob Jarratt via cctalk <[email protected]>
> 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
in the
> PSU.
> 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
cracks
> 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
says:
15-27188-01
TAI-HO TH-1802B
Thanks
Rob
> Regards,
>
> Holm
>
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