kinglink2:
你好:看來(lái)你對(duì)時(shí)代焊機(jī)很了解,我問(wèn)個(gè)問(wèn)題,我有一臺(tái)時(shí)代的PNE20-200P焊機(jī),問(wèn)題是它只在手工上不能在氬弧上,轉(zhuǎn)換開(kāi)關(guān)是好的,氬弧的開(kāi)關(guān)信號(hào)也進(jìn)B1板里.決定是B1板的問(wèn)題,后了解這種焊機(jī)有二種電路板.這臺(tái)電路板沒(méi)有了,我不會(huì)修電路板,想自己修下,沒(méi)有電路圖.能幫個(gè)忙嗎,指導(dǎo)一想.多謝