Casio AP-200 Service Manual & Parts List page 22

Caution while assembling the keys.
• Set the key as shown in figures below.
19-4. Remove 9 screws then the MCZS-KYC1 PCB.
19-5. Remove 12 screws then the MCZS-KYB1 PCB.
19-6. Remove 9 screws then the MCZS-KYA1 PCB.
MCZS-KYB1 PCB
MCZS-KYA1 PCB MCZS-KYC1 PCB
(SCREW x 9) (SCREW x 12) (SCREW x 9)
19-7. Remove 8 rubber keys.
* One of the keys has the different length from others.
* How to install the rubber keys.
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