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对于一位专业家电维修人员,利用调压器来检修彩电开关电源故障,能提高修理开关电源的质量、速度,然而对业余维修人员来讲,买调压器比较昂贵。但开关电源一旦发生故障,将殃及整个机芯。由于彩电的电源种类繁多,原理各异且元件昂贵,给维修工作带来不便。根据笔者的维修实践,用调光台灯内的电路来检修开关电源故障,能起到事半功倍的效果。
For a professional appliance repair personnel, the use of voltage regulator to repair color TV switching power failure, can improve the quality of repair switching power supply, speed, but for amateur maintenance personnel, the regulator is more expensive to buy. However, once the switching power supply fails, will affect the entire movement. As a wide range of color TV power supply, the principle of different components and expensive, inconvenience to the maintenance work. According to the author’s maintenance practice, with dimming lamp circuit to overhaul switch power failure, can play a multiplier effect.