[sdiy] SPV-355 -15V rail issue

Florian Anwander fanwander at mnet-online.de
Sun Jun 18 11:38:42 CEST 2023


Though it is a shot in the mist:

There are three types of tantalum capactors listed in the service 
manual. I bet those are on the supply rails and I bet (a little bit 
less) one of them got shorted.




Florian

Am 16.06.23 um 19:12 schrieb Todd Sines via Synth-diy:
> I have an SPV-355 that was behaving adequately fine until recently. 
> Unit will power on, (and LEDs illuminate correctly) if the -15V LM7915 
> is unplugged, when engaged, it shorts and blows both fuses.
>
> Wonder if anyone’s encountered this and if so, what did you do, or 
> where did you look first?
>
>
> Todd
>
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