Service data record system and electronic equipment using same

A service data record system (SDR) is used to record data of an electronic device, such as a point of sale or service (POS) device. The electronic device includes a plurality of electronic units and a control unit. The control unit is used to receive and sift electronic data set of the electronic units. The service data record system includes a storage unit connected to the control unit and a micro processing unit connected to the storage unit and the control unit. The storage unit is used to receive and store the sifted electronic data from the control unit. The micro processing unit is used to receive and output the sifted electronic data from the control unit, and used to output the sifted electronic data stored in the storage unit.