Korg Polysix Direct Replacement for Optocoupler HTV P-1501 Photocoupler PC-1

Upgrade or replace the HTV P-1501 optocoupler in your Korg Polysix with this direct replacement (part code PC-1).

If your Polysix is out of tune across the five octave range and you are unable to calibrate it using the instructions in the service manual, it is likely that your HTV P-1501 is faulty.

This is a common issue with the Polysix. Unfortunately, spare parts for the HTV P-1501 are no longer available. However, this direct replacement has been built to work 100% in the Polysix, keeping it in tune across the entire keyboard range. Install this replacement to get your Polysix back in top form.