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Removing the main PCB (M900-MDA1)
1. Release the lock and remove two FFCs.
2. Remove four connectors.
3. Remove the pedal connector connected to the lower case.
4. Removethetapexingthepedalconnectorcableinplace.
5. Undo the screw below the USB jack on the back of the main unit.
6. UndovescrewsandthenremovethemainPCB(M900-MDA1).
Tape
FFC (Keyboard)Connector (Pitch bend)
Connector (M900-PSA1)Connector (M901-LCA1)
Connector (M810-SDA1)
Pedal connector