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索尼公司是螺旋式扫描磁记录技术的开发者。该技术的出现为普及磁带录象机作出了贡献。索尼推出的3/4英寸U型录象机在80年代是广播电视领域的主力。索尼推出的1/2英寸Beta家用录象机在竞争中失利后转而生产1/2英寸VHS录象机,继续发挥在视频技术领域的优势。本文以SLV-X50DH录象机为例,对其电路进行分析,供读者在研究和维修时参考。关于该录象机的IC实测数据、引脚功能和去向等资料已收编在本刊1995年合订本附录中。
Sony Corporation is the developer of spiral scanning magnetic recording technology. The advent of this technology has contributed to the popularity of video tape recorders. Sony introduced 3/4 inch U-video recorders in the 1980s is the main force in the field of radio and television. Sony’s 1/2-inch Beta home video recorders, after losing their race, switched to producing 1/2-inch VHS video recorders to continue taking advantage of the video technology. In this paper, SLV-X50DH video recorder, for example, the circuit analysis for readers in the study and maintenance reference. The video on the IC measured data, pin functions and whereabouts and other information has been incorporated in the publication of the 1995 edition of the appendix.