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@wei8511727
差模太小了吧,102搞大点嘛,接电源负怎么样?你是广西的对吧!
呵呵!多谢大家关照,前面能试的我都试过了,现将PCB重新布局,测试OK.现传上图纸.
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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/36/1134697701.jpg');}" onmousewheel="return imgzoom(this);"> 0
