Casio PX-330BK Service Manual & Parts Manual page 37

„ Removing the keyboard PCBs (MACP-KYC1/KYC2, KYD1)
1. Remove eight rubber keys.
NOTE: One rubber key is shorter than the others.
Rubber keys Short rubber key
Rubber keys
Short rubber key
2. Remove the nonwoven tape.
3. Remove 23 screws.
Nonwoven tape
MACP-KYC1 PCB MACP-KYD1 PCB MACP-KYC2 PCB
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