power supply 1.Design for Alcoran , 2.Precise design performance, OVP,OCP, ... ,GS,KC,PSE,SAA,CE etc.2.Provide constant current power supply for Alcoran player.3.Used quality safted components and purchased ... .7.Overall quality reliability test such as loading output,no-loading output,full load efficiency,noise data,short circuit protection,OCP,OVP,Hi ...