Introduction
If your Casio keyboard (model CTK-3200) is having issues with faulty or broken speakers or keys, this is the second guide in fixing or replacing any of those issues.
Before using this guide, make sure to disconnect any external parts, tools, or modifiers from the keyboard's ports in order to make the removal process simpler. Only use the recommended tools for this project, any misuse of tools could result in injury. For more information on how to maintain project safety, see iFixit's Project Safety Page.
Before beginning, be sure that your keyboard is powered off, has no batteries, and is disconnected from any external power source.
Tools
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Remove the seven 10 mm Phillips #1 screws on the underside of the keyboard that secure the center front panel.
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Flip the keyboard over and remove the central panel on the front and place it above the keyboard.
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Carefully remove one side panel at a time from the top of the keyboard and place it above the keyboard, making sure not to sever any connections between the yellow-colored mainboard and the side panels.
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To reassemble your device, follow these instructions in reverse order.