Instructions Step by Step Instructions Install Centering Hub on Any Pro Player Module Player Module Installation in a Jukebox Install Optical Pick-up OPU1 in CD Pro 1 (VAU 1252/XX) Turntable Motor Replacement – All Versions Install Optical Pick-up OPU2 in CD Pro 2 (VAU 1254/XX) Install Optical Pick-up OPU1 in CDM12 Industrial (AH03)