Casio Complete Guide to Disassembly of CTK 230 Keyboard

Page 7

DISASSEMBLY

1.Remove the battery cover and then take out the battery.

2.Remove 7 screws and then the console panel.

JACK PCB

Speaker

Speaker

Main PCB

3.Remove 12 screws and then the Main PCB.

4.Remove 2 screws and then the JACK PCB.

5.Remove 8 screws and then the Speaker.

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Contents CTK-230 Contents Specifications LCD DB4~DB7 APO Block DiagramCircuit Description Main PCB CMW277-MAIN Printed Circuit BoardsJack PCB DisassemblyDiagnostic Program AC Adaptor check LCD checkAPO check Main PCB CMW277-MAIM Schematic DiagramsKeyboard PCBs JCM4911K-KY1M/KY2M Exploded View Parts List Accessory Overseas Service Division