Casio LK-35 Key Lighting System digital keyboard featuring 100 rhythms, 100 tones and 100 song bank - Bid-Assets Online Auctions
Amazon.com: MaxLLTo™ 6 FT Extra Long AC Power Replacement Adapter for Casio LK-40 LK-50 LK-55 LK-73 LK-90TV LK-200S LK-210 Keyboard Charger Power Supply Cord : Musical Instruments
CASIO LK-50 VER.2 Service Manual download, schematics, eeprom, repair info for electronics experts
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CASIO CTK-50 (sound and styles demonstration) - YouTube