CASIO LK-127 Service Manual download, schematics, eeprom, repair info for electronics experts
Amazon.com: 9.5V AC/DC Adapter for Casio Keyboard AD-E95100LU Power Supply Charger SA-46 SA-47 LK-125 LK-127 CTK-240 CTK-245 CTK-1100 for Casio ADE95100LU, 100-240V AC to 9.5V DC Converter : Musical Instruments