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樓主  發(fā)表于: 2010-10-12 18:40
大家好！我現在有一臺臺達18。5KW的變頻無(wú)顯示，也沒(méi)有10V和24V 電壓打上電源里面有一只紅色的電源提示二極管亮，不知壞了哪里，請問(wèn)哪位高手幫忙一下？
重在積累！
回憶依然最美
一不小心混進(jìn)社會(huì ), 浪子回頭已經(jīng)白費... ...
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1樓  發(fā)表于: 2010-10-12 19:11
開(kāi)關(guān)電源無(wú)電壓輸出，檢查開(kāi)關(guān)電源電路，電源開(kāi)關(guān)管工作是否正常，測量開(kāi)關(guān)電源部分濾波電容是否失效等等！

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