Casio CZ/ VZ/ FZ - Pro Series

> Hmmm... could be the built in relais, to prevent klicks it connects 
> the output signal to ground until the synth is completely up. I had 
> that problem with two Casio Keyboard, a CZ-1 and a friends FZ-1. When 
> it fails the output tends to be very low, but randomly restores to 
> normal. One solution is to replace the relais another one is simply 
> to bypass it...

Great tip, I'm investigating just now. Yesterday, magically it worked 
for some hours, so I'm pretty sure the bulk of the synth is in perfect 
condition. What would be the best way to bypass the relays? Thanks a lot :)

Manu