Casio EX-P600 Service Manual & Parts List page 28

Removing the key Assy 2 and the microphone
23. Remove three screws, and then the key Assy 2 and the microphone.
* Make sure to fix the plate as shown below after removing the key Assy 2, since the plate comes off easily.
24. Unsolder two lead wires and then remove the microphone.
Lead wire (red)
Removing the lens switch
25. Remove one screw, and then the lens switch.
Lead wire (black)
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Key Assy 2
* The metal bracket is not included in the key Assy 2.