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

Richie Burnett rburnett at richieburnett.co.uk
Mon Aug 30 18:43:15 CEST 2021


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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