Casio CTK-5000 Service Manual page 15

6. To remove the main PCB (M804-MDA1).
6-1. Remove three screws on the PCB (M804-MDA1).
6-2. Remove four cables by soldering.
6-3. Remove the PCB (M804-MDA1).
Cable (CN1)
(M805-PAS1)
– 13 –
Cable (CN6)
(M805-SDA1)
Cable (CN5)
(M805-CNA1)
Cable (CN4)
(M805-CNA1)