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电视音响测试信号在维修调试工作中是不可缺少的,业余条件下可利用现有器件获得所必需的测试信号。1.若身边有一台游戏机,那么可再购一盒价廉的实达TV博士卡(桂林实达公司有售),这种卡盒可产生电子圆、棋盘、方格、彩条等电视信号,可用作电视机的会聚、聚焦、色彩、行场线性的几何失真的调整。另外,其还有多频谱音频信号发生器,能按屏幕显示的音阶由用户指定输出某一频率,也可选择由低频到高频进
TV audio test signal in the maintenance of debugging work is indispensable, amateur condition available existing devices to obtain the necessary test signal. 1. If you have a game around, then you can buy a box of cheap Shida TV doctor card (Guilin Shida company for sale), this cartridge can produce electronic circle, checkerboard, checkered, color bar and other television Signal, can be used as television convergence, focus, color, line field linear geometric distortion adjustment. In addition, it also has a multi-spectrum audio signal generator, according to the scale of the screen displayed by the user to specify a certain frequency, you can also choose from low to high frequency into