收录机机芯维护与检修（一）电子部三所王锡江收录机使用时间达到一定限度，势必出现这样那样的故障，尤其是机芯的橡胶轮和传动带等易损件失效更不可避免。实践表明，收录机出现的机械故障占总故障数的６０～７０％，而机械类故障又大部分与机芯有关。因而收录机修理的工... Tape recorders movement maintenance and repair (A) Electronics Division Three Wang Xijiang tape recorders reach a certain limit of use time, is bound to appear such a fault, especially the movement of rubber wheels and belts and other wearing parts failure is even more inevitable. Practice shows that the mechanical failure of the tape recorders accounted for 60 to 70% of the total number of failures, while the majority of mechanical failures and the movement. Thus tape recorders repair workers ...