ANUC發那科顯示屏開機上電無法啟動修理技巧

 FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)黑屏(ping)(ping)(ping)(ping)維(wei)(wei)(wei)修(xiu)(xiu)）：FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)上電屏(ping)(ping)(ping)(ping)幕(mu)不(bu)(bu)顯示(shi)畫面維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)開機啟(qi)動(dong)(dong)無(wu)反應維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)開機黑屏(ping)(ping)(ping)(ping)無(wu)顯示(shi)維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)開機啟(qi)動(dong)(dong)不(bu)(bu)了維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)啟(qi)動(dong)(dong)不(bu)(bu)能(neng)開機維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)開機屏(ping)(ping)(ping)(ping)幕(mu)不(bu)(bu)亮(liang)維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)電源指示(shi)燈不(bu)(bu)亮(liang)維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)啟(qi)動(dong)(dong)黑屏(ping)(ping)(ping)(ping)不(bu)(bu)亮(liang)維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)上電無(wu)法啟(qi)動(dong)(dong)維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)通電屏(ping)(ping)(ping)(ping)幕(mu)黑屏(ping)(ping)(ping)(ping)不(bu)(bu)亮(liang)維(wei)(wei)(wei)修(xiu)(xiu)，FANUC發(fa)那(nei)(nei)科(ke)觸(chu)(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)(ping)(ping)(ping)開機過一會黑屏(ping)(ping)(ping)(ping)不(bu)(bu)亮(liang)維(wei)(wei)(wei)修(xiu)(xiu)

 發那科工業顯示屏(ping)閃(shan)屏(ping)維(wei)修檢(jian)測(ce)周期短：與(yu)普通自(zi)激或(huo)他激式(shi)開關(guan)電源(yuan)(yuan)不同(tong)的(de)是(shi)(shi)LG觸摸屏(ping)使用(yong)了一(yi)個叫做TL431的(de)可控穩壓(ya)器(qi)件(jian)來調整開關(guan)管的(de)占空比，從而達(da)到穩定輸出(chu)電壓(ya)的(de)目的(de)。當有(you)負載短路(lu)(lu)時常會(hui)(hui)導(dao)致開關(guan)電源(yuan)(yuan)輸出(chu)，面板(ban)無顯示。與(yu)其(qi)他觸摸屏(ping)一(yi)樣，像LV、OV故(gu)障，驅動電路(lu)(lu)損(sun)壞(huai)故(gu)障在LG觸摸屏(ping)上也會(hui)(hui)碰(peng)到.11kw~22kw出(chu)現LV.OV故(gu)障多數(shu)是(shi)(shi)長條板(ban)的(de)問題(ti)。FU故(gu)障LG-IS5以(yi)及IH系列觸摸屏(ping)都(dou)是(shi)(shi)帶有(you)快速(su)(su)熔(rong)斷(duan)器(qi)檢(jian)測(ce)的(de)，由于快速(su)(su)熔(rong)斷(duan)器(qi)的(de)分斷(duan)能(neng)力能(neng)夠(gou)達(da)到5個ms左右。所以(yi)當有(you)大電流經過(guo)觸摸屏(ping)內部時，快速(su)(su)熔(rong)斷(duan)器(qi)就能(neng)動作，從而保(bao)護大功率模塊。ANUC發那科顯示屏開機上電無法啟動修理技巧但(dan)由于快速熔(rong)斷(duan)器的損(sun)壞，也(ye)(ye)就引起了FU故(gu)障的出現。更換快速熔(rong)斷(duan)器。但(dan)是這個(ge)故(gu)障出現后模塊也(ye)(ye)可能(neng)損(sun)壞了LGis5觸摸(mo)屏常(chang)見故(gu)障檢測(ce)方法電(dian)流信(xin)號(hao)檢測(ce)電(dian)路(lu)