近期,拥有全世界家用AV光头使用总量60％的索尼公司,根据中国环境空气特点,特别研制开发了索尼DD—3 VCD专用机芯。 根据大量维修统计数据显示,在中国视盘机用户返修品中,有60％以上的故障是因灰尘污染所造成的。由于灰尘污染,视盘机在购买6个月左右便会出现读片能力下降(北京地区),而西北内陆地区因灰尘更为严重,购买仅2、3个月后,灰尘就会造 Recently, with the world’s home AV bald use 60% of the total Sony Corporation, according to the characteristics of China’s ambient air, in particular, developed a Sony DD-3 VCD dedicated movement. According to a large number of maintenance statistics show that repair users in China, disc machine repair products, more than 60% of the failure is caused by dust pollution. Due to dust pollution, the disc player will experience a drop in reading ability (Beijing area) 6 months after purchase, while the dust in the northwest inland area will be more serious. After only 2 or 3 months of purchase, the dust will be made