do you have any western electric 498a diodes or know where I can get? Thanks ed
sharpe
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> -Original Message-
> From: Brent Hilpert
> Sent: 07 May 2023 23:53
> To: r...@jarratt.me.uk; General Discussion: On-Topic and Off-Topic Posts
>
> Subject: Re: [cctalk] Rainbow H7842 PSU Fault
>
> On 2023-May-07, at 1:54 AM, Rob Jarratt via cctalk wrote:
> > The comments about the to
More detail/context?
On Mon, May 8, 2023, 3:16 AM ED SHARPE via cctalk
wrote:
> do you have any western electric 498a diodes or know where I can get?
> Thanks ed sharpe
>
> Sent from AOL on Android
> -Original Message-
> From: Peter Coghlan via cctalk
> Sent: 07 May 2023 10:34
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Cc: Peter Coghlan
> Subject: [cctalk] Re: Rainbow H7842 PSU Fault
>
> >
> > The comments about the tolerance of the 7812 were right, it doesn’t
>
tube style?
On Mon, May 8, 2023 at 2:17 AM ED SHARPE via cctalk
wrote:
> do you have any western electric 498a diodes or know where I can get?
> Thanks ed sharpe
>
> Sent from AOL on Android
>
>
> > -Original Message-
> > From: Peter Coghlan via cctalk
> > Sent: 07 May 2023 10:34
> > To: General Discussion: On-Topic and Off-Topic Posts
> >
> > Cc: Peter Coghlan
> > Subject: [cctalk] Re: Rainbow H7842 PSU Fault
> >
> > >
> > > The comments about the tolerance of the 7812 w
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>
> I don't think we can draw any conclusions from voltage measurements
> around the TIP121 without the -12V line being approximately correct or at
> the very least being negative.
>
> It's collector voltage being 0V on the good PSU suggests there is no current
> flowing through the parallel 20R
