Amazon.com: SupplySource 9V DC Adapter Replacement for Casio LK-73 LK-90TV LK-200S LK-210 Key Lighting Music Keyboard : Musical Instruments
CASIO LK-73 KEYBOARD POWER SUPPLY REPLACEMENT ADAPTER UK 9V 712221881640 | eBay
Ripcord USB to 9V DC power cable compatible with the Casio LK-73 Keyboard
Guy-Tech 9V AC / DC Adapter Compatible with LK-35 LK-73 LK35 LK73 Piano Keyboard 9VDC Switching Power Supply Cord Cable Wall Home Charger - Walmart.com
9V DC Adapter For Casio LK-73 LK-90TV LK-200S LK-210 Key Lighting Music Keyboard | eBay
UL 9V DC Adapter Charger for Casio Casiotone LK-73 LK-70S LK-220 LK-94TV Power | eBay