大屏幕背投影电视无疑是家庭影院系统理想的视频输出设备。然而,这一市场却一直为进口品牌所占船,居高不下的价格,令广大的工薪阶层可望而不可及。近来,随着国内电视企业的飞速发展,一些厂家纷纷推出了大屏幕背投影电视。其中,海信大中华TCP5318,便是其中的代表作品。海信大中华拥有53寸的超大屏幕,视角更达150 Large-screen rear projection TV is undoubtedly the ideal home theater system video output device. However, this market has always been a high price for imported brands, leaving the vast working-class population unattainable. Recently, with the rapid development of domestic TV companies, some manufacturers have introduced large-screen rear projection TVs. Among them, Hisense Greater China TCP5318, is one of the representative works. Hisense Greater China has a 53-inch large screen, viewing angle up to 150