新手画的双面板,请高手指点啊,电路出现了干扰啊

U2是555,U1是集成电路00001.
电路出现了干扰啊
请高手指点啊,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/64/2523441209186667.gif');}" onmousewheel="return imgzoom(this);">