Casio PX-330BK Service Manual & Parts Manual page 20

<Caution when replacing with a new part>
To attach sponge to the cable to the M900-MDA1 PCB, refer to the illustration below for its position.
10 ± 5 mm
„ Removing the jack PCB (M901-JKA1)
1. Disconnect the M901-JKA1 PCB from the M900-PSA1 PCB by disengaging the connector between
them.
Connector
M900-PSA1 PCB
2. Undo two screws and then remove the M901-JKA1 PCB.
<Caution when replacing with a new part>
To attach sponge to the cable to the M901-JKA1 PCB, refer to the illustration below for its position.
10 ± 5 mm
– 18 –
M901-JKA1 PCB