Service service WK50, official service centers Kawai X1000, warranty conditions for X120, how to disassemble the device X130, installation diagram X140, unstable works X140D, the main malfunctions Kawai X150, connection diagram X150D, troubleshooting X20, download service manual X2000, service instructions Kawai X30, how to extend the service life X40, download service manual X40D, repair manual X45, how to repair the device X45D, download service manual X50, how to find malfunctions Kawai X5000, independently carry out repairs X50D, a circuit scheme X55, the main components X55D. The most complete information avialable to downloading from our website absolutely free.