[cctalk] Re: Repairing an Olivetti M24 PSU

Wed, 03 Sep 2025 09:26:45 -0700 


> -----Original Message-----
> From: Jon Elson via cctalk <[email protected]>
> Sent: 03 September 2025 15:39
> To: [email protected]
> Cc: Jon Elson <[email protected]>
> Subject: [cctalk] Re: Repairing an Olivetti M24 PSU
> 
 
> Those are not real.  They are conducted interference from the switching
> supply getting into the scope preamp via the ground lead.
> 
> I have seen this MANY times, ignore it.
> 
> Jon

Thanks Jon, obviously I don't have enough experience to know this. How can I 
recognise this in the future?

Thanks

Rob



























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