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随着科学技术的发展,磁带录像机的运用已经打破了电视广播宣传的传统习惯。它不仅丰富了电视节目的内容,而且提高了拍摄效率和电视播出质量,为电视广播的自动化播出提供了条件。目前,录像机的应用范围越来越广,如何正确使用和维修录像机,延长磁带录像机的使用寿命,提高磁带录像机的使用效率等已成为不可忽视的问题,本文讨论和分析磁带录像机控制部分常出现的两种故障。(一)故障现象Ⅰ录像机开机后,处于弹出状态(弹出指示灯点亮),但磁带取不出。关机后,打开录像机的面板发现,磁带虽然处在 FR 穿带端点位置,但导杆与压带轮却处在
With the development of science and technology, the use of video tape recorders has broken the tradition of television broadcasting. It not only enriched the content of television programs, but also improved shooting efficiency and television broadcast quality, providing the conditions for the automatic broadcast of television broadcasting. At present, the application scope of VCR is more and more widely. How to use and repair VCR correctly, extend the service life of VTR and improve the efficiency of VTR have become a problem that can not be neglected. This article discusses and analyzes the control part of VTR Two kinds of fault. (A) Symptom Ⅰ After the recorder is powered on, it is in a pop-up state (the indicator light is on), but the tape can not be taken out. After shutdown, open the VCR panel found that although the tape in the end of the FR wear with the end position, but the guide bar and pinch wheel is in