Put the square dance sound USB flash drive why a USB flash drive can be played while the other can not be played to how to do

The same USB flash drive, one can play normally, the other can not play, it must be that can not play the stereo USB flash drive player is bad. Can only be taken to the maintenance for a new USB flash drive player. If you are in a hurry, you can insert the memory card into the phone, with a small computer audio cable into the phone's headphone hole, the other end of the two coaxial end of the coaxial signal port plug amplifier on the line.