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本人在检修捷恩西电子显示屏时,发现其供电采用了MC34063AP组成的开关电源。为检修方便,我将其电路测绘出来,如图1所示。
I am overhauling Jie Enxi electronic display, found that the power supply using the switching power supply composed of MC34063AP. To facilitate the maintenance, I plotted the circuit, as shown in Figure 1.