Perifractic

Damn it! Seems I've been misled by Casio. Oops. I will return it and get the 32. Thank you!

Interesting. No, the pedal literally does nothing. 

Casio say the 33 is the correct pedal. 🤔

Hi guys,

I'm now on my second SP-33 pedal unit so the fault isn't there. When I simply plug in the pedal unit, sustain gets stuck ON for all keys. 

It must be a fault in the piano. 

I've removed the PCB, no short connections. With a multimeter I tested continuity on all the 5 cables running from the 5 pin socket to the PCB. No shorts or problems there. I desoldered and resoldered that plug on the PCB. No change. 

One SMD did look badly soldered, with dark flux around it (could even be a leak) but I reflowed that solder under magnification. No change. 

Any other ideas before I look to replace the entire PCB?

Also where can I source that PCB? Nothing coming up when I Google it on Yahoo 😉