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我把C2电解电容去掉,保护电路就起不到保护作用,然后我用导线把R6,R10短路仍然不能保护,请大家谈谈这个C2的作用,本人在线等待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/53/1214011178691159.bmp');}" onmousewheel="return imgzoom(this);">
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