Sony YSUS Board NA18101-5010 / FDK25029(04)

Replacement sustain board for the Sony PFM-42B1.

Sustain boards drive the panel electrodes during each sustain cycle.

It is listed for 4 model references on this chassis.

Numbers to match include NA18101-5010 and FDK25029(04).

Check the model number and the part number printed on your original part.