[sdiy] Glowing diode on Casio CT-510 analog board?

Adam (synthDIY) synthdiy at adambaby.com
Tue May 23 12:07:18 CEST 2023

> On 23 May 2023, at 5:52 pm, Roman Sowa <modular at go2.pl> wrote:
> If it glows, it is LED.
> Those kind of early LEDs were used at least in one of the Korgs, Maybe Poly6 or Poly61, can't recall now, to indicate active voice.
> I was shocked too when I saw them first.

Actually, my Jupiter 8 has internal LEDs which are activated by throwing the "test mode" switch. As you say, they indicate which voice board is sounding with each key press.


More information about the Synth-diy mailing list