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北京8320型彩电属三洋83P机芯。但其供电电路却采用一种特殊结构的并联型自激式开关电源。如图13所示。为了使初学者全面了解并联型自激式开关电源的工作过程。本文将该类开关电源的特殊结构作重点介绍和分析。 1.电路工作原理这是一组主、副电源相对独立而又有一定联系的
Beijing 8320 color TV is Sanyo 83P movement. However, its power supply circuit uses a special structure of the parallel self-excited switching power supply. As shown in Figure 13. In order to enable beginners to fully understand the parallel self-excited switching power supply work process. This article will focus on the special structure of such switching power supply and analysis. 1. Circuit works This is a group of main and secondary power relatively independent and have some contact