Acted upon! This fresh looking Micromatic came in with just about every screw associated with the tonearm loose or wildly out of adjustment, to the point of major NEGATIVE stylus pressure! I don't know what somebody was trying to do, but they failed. The cartridge did have a dead channel but somebody went screwdriver crazy. All better now. Just starting to get gummy, so a good thing it came in for its 60 year service. We replaced the cartridge with a #Tetrad and a new wiring harness. See the pho