Casio CTK-800 Service Manual And Parts List page 11

To remove the console PCB (M706-CNA1, CNA2, CNA3).
13. Remove the microphone and the volume knob.
14. Remove two screws on the PCB (M706-CNA2).
15. Remove three screws on the PCB (M706-CNA3).
16. Remove 30 screws and then the PCB (M706-CNA1).
Caution while assembling:
17. Remove the rubber keys.
To remove the speaker.
18. Remove 8 screws and then two speakers.
Note: Fix speaker cords securely.
6 screws fixing the LCD unit are different size from other screws.
Fixing with incorrect size of screws causes the risk of defective displaying.
Be sure to choose correct screws.
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