Amazon.com: MaxLLTo 6ft Extra Long AC Power Replacement Adapter for Casio WK-110 WK-200 WK-210 WK-3700 Keyboard Charger Power Supply Cord : Musical Instruments
CASIO WK 3700 KEYBOARD-SYNTHESIZER | #424443168
CASIO WK-3200,WK-3700 PIANO USER MANUAL Service Manual download, schematics, eeprom, repair info for electronics experts