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(1)一台松下牌180型录象机,在使用过程中发现鼓电机噪声较大,放象时图象有严重噪波带干扰,这种毛病多是由于鼓电机长久使用缺油造成转速不稳所致,可将其用一字旋具拧下上鼓盖的盖片小螺丝,在小注油孔滴入少许纯钟表油,故障即可排除。 (2)一台日立747E(757E)型录象机,在使用中突然因张力带断开造成放象时图象不正常,若手头无备用带,可试用收录机与其厚度相当的直径约为5cm的橡胶传动带应急替代,经验证效果不错。 (3)一台富丽3000Ⅱ型放象机,放象过程出现周期性的噪声且声音变调,这种故障,一般是由于伺服
(1) a Panasonic brand 180 video recorder, found in the use of large drum motor noise, the image when there is a serious noise with interference, this problem is mostly due to lack of drum motor caused by the lack of oil speed Unsteady due to the word screwdriver can be used to unscrew the lid on the drum lid cover a small screw, a small hole in the small oil drop into a little pure watch oil, the fault can be ruled out. (2) A Hitachi 747E (757E) video recorder, in use suddenly due to tension band caused by the release of the image is not normal, if no spare belt on hand, try the tape recorder and its thickness is about the diameter of about 5cm The rubber belt emergency alternative, the results proved good. (3) a Fuli 3000 Ⅱ-type player, put the process of periodic noise and tone change, this failure, usually due to servo