Casio PX-780 Service Manual page 78

3. Remove the FFC cable connecting from the PW PCB to the
main PCB from the connector.
4. Remove the 8pin I/F.
Remove the tape and then remove the FFC cable from
1
the connector.
Remove two screws.
2
5. Remove two screws and then remove the middle case.
To remove the main PCB
1. Remove all connectors connecting to the main PCB.
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2
1
2