Professional 61-key Keyboard Connectors Usb 2.0 Cable Silver-plated Fit For Casio Ctk-2400 Ctk-4400 Ctk-6200 61-key Keyboard - Guitar Parts & Accessories - AliExpress
Replacement parts from Casio CTK-6200 keyboard | eBay
US 12V Power Adapter For Casio Keyboard CTK-6000 CTK-6200 CTK-7000 CTK-7200 | eBay
Amazon.com: ReadyWired USB Cord Cable for Casio CTK-2090, CTK-2400, CTK-4400, CTK-6200 Keyboard : Electronics