I Have An Old Kenwood Stereo Power Amplifier KM-209...Its Always Worked Great,But Recently It Started Turning Off When The Bass Is Too Loud...Or The Music Is Just Loud In General...If I Turn It Off Manually For A Second Then Turn It Back On It Works Just Fine Again...But Again Shuts Off If Its Too Loud...Any Idea What It Could Be? My Friend Said Its A Fuse...But I Opened It Up And Didnt See Any Fuses:(