帮看看3842的电路还有问题吗

准备去做板子了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/57/1872231189597422.bmp');}" onmousewheel="return imgzoom(this);">
40-60V直流输入,5V +/-12V输出