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

cheater cheater cheater00social at gmail.com
Tue Aug 31 00:31:01 CEST 2021


Yeah, I just unwrapped it. Could well be. But the shock was pretty
damn huge. Can this effect be compounded by mains capacitors being
connected to chassis through ground? Should I bridge them with 1MR
shunts?

On Mon, Aug 30, 2021 at 6:43 PM Richie Burnett
<rburnett at richieburnett.co.uk> wrote:
>
> Sounds more like a static electricity shock to me, if it wasn't connected to anything at the time and you had just been removing plastic packaging etc.
>
> -Richie,
>
> Sent from my Xperia SP on O2
>
> ---- cheater cheater via Synth-diy 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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