RELIANCE 45C220B---RELIANCE 45C220B
RELIANCE 45C220B---RELIANCE 45C220B
由開(kāi)關(guān)電源引起交流聲干擾
產(chǎn)生此類故障多是由輸出電路中的濾波電容漏電和電介電容枯干，效能下降引起。有些設(shè)備的開(kāi)關(guān)電源印刷板面積小，電介電容和電阻安裝較集中，大功率電阻發(fā)熱，在散熱條件差些情況下，使電介電容在較短時(shí)間內(nèi)枯干，導(dǎo)致輸出電平下降，濾波效果差，紋波系數(shù)增加，造成畫面上出現(xiàn)橫道交流聲干擾。在更換電容時(shí)應(yīng)換上容量比原電容容量大些，并注意設(shè)備散熱問(wèn)題，減小產(chǎn)生交流干擾故障的概率。
“*夸咱做的產(chǎn)品！"
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★四菜一湯：AB 1785、1756、1747、1784，施耐德140系列，發(fā)那科A06B系列，西門子6ES，505系列熱賣！
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