[sdiy] Polysix HTV P1501 replace?

[john mahoney]

----- Original Message ----- 
From: "sergio koval" <kovalmoog at hotmail.com>
>
> Finally, I´ve found the guilty component in the Key
> Assigner circuit in my Korg Polysix: the HTV P-1501
> optocoupler.
> Its marked as "PC-1" at the Polysix schem.

I have some Polysix parts. Which board has the Key Assigner?
--
john