UC3842开关电源电路详解，工作原理详解，维修教程

UC3842开关电源电路详解，工作原理详解，维修教程

[@josephguo]

It is very clear and detailed to explain the theory. Thanks.

[@adroitlpr9512]

你的uc3842的第二腳電壓反饋直接接地了!!???

[@maggiemaggie4288]

背景音乐

[@holam7679]

Uc2m42. 易壞？