Is audio out on all sources? Check mute button on remote. Check audio in tv menu. connect audio out of tv to external amp. Like the aux in of your stereo receiver. If you have sound there then next remove and test speakers. touch wires of speaker to a aa battery.Be sure wies are disconnected from main board. Speaker make no sound then replace them . If speakers pop then replace main board. or board that has audio amp ic on it.
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