TOYO SE-2038F彩电电源的检修

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日本TOYO“SE-2038F”型20英寸彩色电视机电源部份采用集成稳压器STR451,它将基准电压,误差放大和开关管集成于同一个管壳内,它有三个引出脚,其引出脚位如图1所示,这种新型集成稳压器在没有备件时可采用分立器件代换来修复,开关电源的电原理图如图2所示。 Japan TOYO “SE-2038F” 20-inch color TV power supply part of the integrated regulator STR451, which will reference voltage, error amplification and switch tube integrated in the same tube, it has three pins, the pin Bit as shown in Figure 1, this new integrated voltage regulator in the absence of spare parts can be used to replace discrete devices to repair, switch power supply schematic shown in Figure 2.
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