According to fast forward or rewind button is normal, according to the replay button tape does not load, by the fault phenomena analysis, preliminary judgment fault in mechanical transmission mechanism or load motor driver circuits. Open the machine on the right side of the chassis, press the replay button, touch load motor pulley to rotate, mechanical failures are driving mechanism. Check the mechanical drive mechanism, found that the load between the drive gear has a screw in the gear with CARDS in the middle, so cause load loading gear can't and the ring gear meshing transmission. Remove the screw observation found that the screw fastening screws on the cassette, after the loss caused by the card in it. Insert with box, press the replay button, the machine back to normal work.Qysservice manual download site