I have a friend with this home stereo cd player and whenever he is playing the radio or a cd and he turns the volume up about half way up,it goes into protect mode and mute the speakers.There is a fan at the rear of the unit and its working fine. Any ideas are welcome
It sounds like the speakers connected to it could have a lower impedance than what the amplifier is designed to drive. This means that it will shut down if the volume is turned up too high.