Analyze the working principle of each component of the 3842 series switching power supply

Pure dry goods sharing, detailed analysis of the working principle of each component of the 3842 series switching power supply [80 Xiaochen]
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[@user-lv9it5qh4d]

贊，專業、詳細、善美

[@chuck6753]

请问如果要增加输出电流应该要修改哪部份?变压器线径增大一点吗?

[@philiptan6772]

你说发个图纸在评论区，没见到!请发一个图纸。

[@jinyinlu9751]

请教陈师傅：整流滤波电容EC1后的另一个电容EC2（100μ 50V）起啥作用？

[@zsliu]

EC2给3842的7角供电。

[@weihan9991]

陈总，可否寄修？如何联系？

[@user-mg6ip9ee8z]

请问R9是多大电阻，看不清楚，什么作用？

[@XiaoChenOfficial]

图纸上标的是NC，意思是不装任何元件，是个空位！

[@dongningprc]

陈总有没有墙内链接？给一个呗。谢谢啦！

[@XiaoChenOfficial]

可以去西瓜看看

[@dongningprc]

@@XiaoChenOfficial 好，谢谢