自日本松下公司1997年初推出全球第一款商品化A100型DVD机以来,经过几年的发展,如今的DVD市场品牌林立、型号众多、功能繁多,已从第一代发展到第四代,价格却是一跌再跌,令AV发烧友惊喜不已!就国内市场而言,国产机大多属第三代产品,性价比不错,售后服务较好,占有一定的市场份额。但在电路设计、制造工艺、电磁兼容性和重 Since the Japanese company Matsushita introduced the world’s first commercially available A100 DVD player in early 1997, after several years of development, today’s DVD market has many brand names, numerous models and numerous functions. It has evolved from the first generation to the fourth generation with the price But it is a fall and then fall, so AV enthusiasts endless! Domestic market, most of the domestic machine is a third generation product, good price, good after-sales service, occupy a certain market share. But in the circuit design, manufacturing process, electromagnetic compatibility and weight