Are the speaker wires ran in close proximity to 120/220 VAC lines? Disconnect the existing speakers and connect one directly to the OUTPUT 1 and test. The system could have taken a slight surge which may have damaged the onboard amplifier.
Are the speaker wires ran in close proximity to 120/220 VAC lines? Disconnect the existing speakers and connect one directly to the OUTPUT 1 and test. The system could have taken a slight surge which may have damaged the onboard amplifier.