《编者按》杨群学同志发明的YQX系列自动电源模块,因其功能多而适用、性能优越而廉价。它的应用前景十分广阔,首次实现黑白电视机超宽电源工作全功能自动保护电源电路的全部集成化。目前已在《黄河》、《三元》、《虹美》、《红岩》《春笋》等多家重点厂家中应用,且这种新型电视机已走向国际市场。数千学员运用该模块改装,已投入社会电视机的电视维修工,及模 Editor Press “Comrade Yang Qun invented YQX series of automatic power supply module, because of its multi-functional and applicable, superior performance and cheap. Its application prospects are very broad, for the first time to achieve full-width black-and-white TV power automatic protection of the full integrated circuit. At present, it has been applied in many key manufacturers such as ”Yellow River“, ”Three Yuan“, ”Hong Mei“, ”Hongyan“ and ”Spring Bamboo Shoots", etc., and this new type of television set has entered the international market. Thousands of trainees have used the module to retrofit and have been put into TV repairmen and molds for social television