3.彩色显像管白平衡不良的检修彩管经过长期使用,在收看黑白图像或彩条信号时会出现偏色(即偏重于某种颜色),这就是白平衡不良的表现。现将它的故障现象、原因和检修方法介绍如下。①产生白平衡不良的原因显像管经过长期使用后,三种荧光粉的发光效率有了一定变化,这种失比例的变化会使在屏面上的合成光不再保 3. Color CRT poor white balance overhaul After long-term use of color management, watching black and white images or color bar signal will appear partial color (that is, emphasis on a color), which is the performance of poor white balance. Now its failure phenomenon, reason and maintenance methods are as follows. ① causes of poor white balance CRT after long-term use, the luminous efficiency of the three phosphors have some changes, this loss of proportion will make the synthesis of light on the screen no longer Paul