500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/33/1127964011.gif');}" onmousewheel="return imgzoom(this);">help!help!help! 3842不工作!
我学用3842搭了个12.6V,1A,输入80~264V,工作不起,VCC不停的跑动,3842在赛格卖的,牌子"LINFINITY",RTCT是5.6K,2200PF,起动电阻150K,还总烧MOS,救救我,帮我看看
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/33/1127964011.gif');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/33/1127964011.gif');}" onmousewheel="return imgzoom(this);">全部回复(60)
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