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在彩色显像管的代换中,常常遇到一个棘手的问题,即代换管的最佳聚焦电压大于行输出变压器所能提供的最高聚焦电压,需要设法升高彩色电视机的聚焦电压来实现彩管的最佳聚焦。实践中曾经用过的几种方法均不理想,它们分别是:1.减少行逆程电容容
In the color tube substitution, often encounter a thorny problem, that is, the best tube replacement tube focus voltage is greater than the line output transformer can provide the highest focus voltage, you need to try to increase the focus of the color TV to achieve color Tube’s best focus. Several methods have been used in practice are not ideal, they are: 1. To reduce the line capacitance of the reverse process