西門子顯示屏開機面板顯示多畫面維修電話

 西門(men)子(zi)觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)專業維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)公司(si)，維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)故障(zhang)：西門(men)子(zi)觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)無(wu)顯示(shi)(shi)維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，倫茨(ci)（Lenze）亮度看不(bu)清(qing)楚維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，黑(hei)屏(ping)(ping)(ping)(ping)(ping)(ping)維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，花屏(ping)(ping)(ping)(ping)(ping)(ping)維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，白屏(ping)(ping)(ping)(ping)(ping)(ping)維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，液晶(jing)屏(ping)(ping)(ping)(ping)(ping)(ping)顯示(shi)(shi)豎條維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，液晶(jing)屏(ping)(ping)(ping)(ping)(ping)(ping)顯示(shi)(shi)橫條維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，液晶(jing)屏(ping)(ping)(ping)(ping)(ping)(ping)顯示(shi)(shi)多畫面(mian)維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，以及液晶(jing)屏(ping)(ping)(ping)(ping)(ping)(ping)顯示(shi)(shi)疑難(nan)雜癥均可維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)通訊不(bu)上(shang)維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)開機走一半(ban)不(bu)動維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，AB觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)開機不(bu)能(neng)進入程序維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，指示(shi)(shi)燈不(bu)亮維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)死機維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，西門(men)子(zi)觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)燈管不(bu)亮維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)玻璃爛(lan)維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)更換(huan)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)偏(pian)移維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)不(bu)能(neng)觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)一半(ban)可以觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)另(ling)一半(ban)不(bu)能(neng)觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)不(bu)能(neng)校準維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)無(wu)背光維(wei)(wei)(wei)(wei)修(xiu)(xiu)(xiu)(xiu)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)高壓(ya)板(ban)銷(xiao)售更換(huan)，觸(chu)(chu)(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)(ping)燈管銷(xiao)售更換(huan)

 較(jiao)容易(yi)出(chu)現問題的地方(fang)主要有(you)芯片14腳(jiao)的電(dian)源(yuan)，調整(zheng)電(dian)壓(ya)基準值的7腳(jiao),反饋(kui)檢(jian)測的5腳(jiao)，以及(ji)波(bo)形(xing)輸(shu)出(chu)的2腳(jiao)等丹佛斯(si)變頻器采用了新型(xing)脈寬集(ji)成控制(zhi)器uc2844來調整(zheng)開關(guan)電(dian)源(yuan)的輸(shu)出(chu)，同(tong)時(shi)uc2844還帶有(you)電(dian)流檢(jian)測，電(dian)壓(ya)反饋(kui)等功能(neng)。當發生無顯示，控制(zhi)端子無電(dian)壓(ya)，24v風扇不運(yun)轉等現象時(shi)我們首先應該(gai)考慮開關(guan)電(dian)源(yuan)是(shi)否(fou)損(sun)(sun)壞(huai)（一般為(wei)uc2844或電(dian)阻損(sun)(sun)壞(huai)）。西門子顯示屏開機面板顯示多畫面維修電話如果不能判斷是否電(dian)源(yuan)故(gu)(gu)障(zhang)，可(ke)(ke)以外接24v電(dian)源(yuan)進行測試，測試結(jie)果一切正常(chang)可(ke)(ke)以判定為電(dian)源(yuan)故(gu)(gu)障(zhang)。丹佛斯5011變(bian)頻(pin)器(qi)的液晶顯示(shi)(shi)屏上顯示(shi)(shi)字母“14”報(bao)警 變(bian)頻(pin)器(qi)液晶顯示(shi)(shi)屏上出現“alarm14”報(bao)。