[sdiy] Casio CZ-3000 with mains to chassis fault

[Tom Wiltshire]

If it’s been wrapped up in plastic bubble wrap or similar, couldn’t it just be a static build up on the case that couldn’t discharge?

Tom

==================
       Electric Druid
Synth & Stompbox DIY
==================



> On 30 Aug 2021, at 15:24, cheater cheater via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> Hi all,
> I have just unwrapped a new-to-me Casio CZ-3000, which seems to be in
> excellent condition cosmetically. As I was unwrapping it, the metal
> chassis gave me a pretty strong shock. I assume that was the mains
> capacitor unloading into the chassis and ground. The keyboard wasn't
> plugged in and hasn't been plugged in for weeks. I was wondering if
> anyone knew of any common faults that this keyboard might have that
> would cause this.
> 
> Best regards
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