Casio EV-680 Manual page 6

4. Remove the connector and separate the LCD Assy.
Connectors
5. Remove the screw, unsolder two speaker lines (grey and orange) and then separate the PCB Assy.
Screw
orange
grey
6. Remove the tune button and separate the tuner cover.
Remove four screws and separate the upper cover while paying attention to the hook.
Remove the speaker.
Hook
Screws
Tuner button
Tuner cover
Screws
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