the microcomputer 20 a monitors a cycle state and the like and then provides a signal for informing the cycle or state of the washing machine to the melody generating pcb assembly 40 for instance if a washing rinsing or dewatering cycle is completed the microcomputer 20 a provides a signal for informing the completion of the washing rinsing or dewatering cycle or a signal for informing a malfunction of the washing machine such as motor failure water supply failure drain failure and the like to the melody generating pcb assembly 40 the melody generating pcb assembly 40 then outputs a melody corresponding to the cycle or state of the washing machine monitored by the microcomputer 20 a the melody generating pcb assembly 40 is connected to the main pcb assembly 30 via a connector 42 the melody generating pcb assembly 40 is detachable from the main pcb assembly via the connector 42 a communication line for signal exchange is connected between the main pcb assembly 30 and the melody generating pcb assembly 40 moreover the melody generating pcb assembly 40 is applicable to a full automatic washing machine a drum type washing machine and other home appliances the melody generating pcb assembly 40 is connected to an.