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陳大圍
工控新人，還請多多指教
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樓主  發(fā)表于: 2011-12-13 23:04

我在修理proface  GP系列的觸摸屏的時(shí)候，發(fā)現其電路板上有些東西根本不認識，還請大家幫忙說(shuō)說(shuō)，它是什么，為何要這樣做？就如我圖中紅圈標識的東西
專(zhuān)心學(xué)工控技術(shù)，請各位幫忙指教
z4131246
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1樓  發(fā)表于: 2011-12-14 07:53
引用
引用第1樓lovefeyer于2011-12-14 07:49發(fā)表的  :
那是其他版本的PCB板子預留的IC焊盤(pán)。

正解  就是預留的

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