倫茨Lenze觸摸屏啟動卡在開機畫面不動維修

 倫茨（Lenze）觸摸屏專業維修公司，維修故障：倫茨（Lenze）觸摸屏無顯示維修，倫茨（Lenze）亮度看不清楚維修，黑屏維修，花屏維修，白屏維修，液晶屏顯示豎條維修，液晶屏顯示橫條維修，液晶屏顯示多畫面維修，以及液晶屏顯示疑難雜癥均可維修，觸摸屏通訊不上維修，觸摸屏開機走一半不動維修，AB觸摸屏開機不能進入程序維修，指示燈不亮維修，觸摸屏死機維修，西門子觸摸屏燈管不亮維修，觸摸屏玻璃爛維修更換，觸摸屏觸摸偏移維修，觸摸屏不能觸摸維修，觸摸屏一半可以觸摸另一半不能觸摸維修，觸摸屏不能校準維修，觸摸屏無背光維修，觸摸屏高壓板銷售更換，觸摸屏燈管銷售更換電(dian)(dian)(dian)(dian)(dian)容式觸(chu)摸屏(ping)是(shi)(shi)使用人(ren)體(ti)(ti)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)感應進(jin)行(xing)工(gong)作的(de)(de)(de)。電(dian)(dian)(dian)(dian)(dian)容式觸(chu)摸屏(ping)是(shi)(shi)是(shi)(shi)一(yi)(yi)塊四(si)(si)(si)(si)層(ceng)(ceng)(ceng)復合玻璃(li)屏(ping)，玻璃(li)屏(ping)的(de)(de)(de)內外表(biao)和夾(jia)層(ceng)(ceng)(ceng)各(ge)涂有一(yi)(yi)層(ceng)(ceng)(ceng)ITO，外層(ceng)(ceng)(ceng)是(shi)(shi)一(yi)(yi)薄層(ceng)(ceng)(ceng)矽土玻璃(li)保(bao)(bao)護層(ceng)(ceng)(ceng)，夾(jia)層(ceng)(ceng)(ceng)ITO涂層(ceng)(ceng)(ceng)作為(wei)工(gong)作面(mian)，四(si)(si)(si)(si)個角(jiao)上引出(chu)四(si)(si)(si)(si)個電(dian)(dian)(dian)(dian)(dian)極，內層(ceng)(ceng)(ceng)ITO為(wei)屏(ping)蔽層(ceng)(ceng)(ceng)以確(que)保(bao)(bao)良好的(de)(de)(de)工(gong)作環(huan)境。 當手指觸(chu)摸在金屬(shu)層(ceng)(ceng)(ceng)上時，因為(wei)人(ren)體(ti)(ti)電(dian)(dian)(dian)(dian)(dian)場，用戶和觸(chu)摸屏(ping)外表(biao)形成(cheng)(cheng)以一(yi)(yi)個耦合電(dian)(dian)(dian)(dian)(dian)容，關于高頻電(dian)(dian)(dian)(dian)(dian)流(liu)來說，電(dian)(dian)(dian)(dian)(dian)容是(shi)(shi)直接(jie)導體(ti)(ti)，所以手指從接(jie)觸(chu)點(dian)吸走一(yi)(yi)個很小(xiao)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)。這個電(dian)(dian)(dian)(dian)(dian)流(liu)分從觸(chu)摸屏(ping)的(de)(de)(de)四(si)(si)(si)(si)角(jiao)上的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)極中流(liu)出(chu)，并(bing)且流(liu)經這四(si)(si)(si)(si)個電(dian)(dian)(dian)(dian)(dian)極的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)與(yu)手指到四(si)(si)(si)(si)角(jiao)的(de)(de)(de)距(ju)離成(cheng)(cheng)正比，控(kong)制器經過(guo)對這四(si)(si)(si)(si)個電(dian)(dian)(dian)(dian)(dian)流(liu)比例(li)的(de)(de)(de)準確(que)核算，得出(chu)觸(chu)摸點(dian)的(de)(de)(de)方(fang)位。

倫茨Lenze觸摸屏啟動卡在開機畫面不動維修即根據NTC熱(re)敏(min)電(dian)(dian)(dian)阻(zu)的(de)(de)標稱(cheng)阻(zu)值選擇合適的(de)(de)電(dian)(dian)(dian)阻(zu)擋可直接(jie)測(ce)(ce)出Rt的(de)(de)實際值。但因NTC熱(re)敏(min)電(dian)(dian)(dian)阻(zu)對溫(wen)(wen)(wen)度(du)(du)(du)(du)很(hen)敏(min)感，故測(ce)(ce)試時(shi)應注意以(yi)下(xia)幾點：A盧t是生(sheng)產(chan)廠家在環(huan)境溫(wen)(wen)(wen)度(du)(du)(du)(du)為25℃時(shi)所測(ce)(ce)得(de)的(de)(de)，所以(yi)用(yong)萬(wan)用(yong)表測(ce)(ce)量(liang)Rt時(shi)，亦應在環(huan)境溫(wen)(wen)(wen)度(du)(du)(du)(du)接(jie)近25℃時(shi)進(jin)(jin)行(xing)，以(yi)保證(zheng)測(ce)(ce)試的(de)(de)可信度(du)(du)(du)(du)。B輩飭抗β什壞貿(mao)過規定值，以(yi)免(mian)電(dian)(dian)(dian)流熱(re)效(xiao)應引起測(ce)(ce)量(liang)誤差。C弊⒁庹確操作。測(ce)(ce)試時(shi)，不要用(yong)手捏住熱(re)敏(min)電(dian)(dian)(dian)阻(zu)體，以(yi)防止人體溫(wen)(wen)(wen)度(du)(du)(du)(du)對測(ce)(ce)試產(chan)生(sheng)影響。先在室溫(wen)(wen)(wen)t1下(xia)測(ce)(ce)得(de)電(dian)(dian)(dian)阻(zu)值Rt1，再用(yong)電(dian)(dian)(dian)烙鐵(tie)作熱(re)源(yuan)，靠近熱(re)敏(min)電(dian)(dian)(dian)阻(zu)Rt，測(ce)(ce)出電(dian)(dian)(dian)阻(zu)值RT2，同時(shi)用(yong)溫(wen)(wen)(wen)度(du)(du)(du)(du)計測(ce)(ce)出此時(shi)熱(re)敏(min)電(dian)(dian)(dian)阻(zu)RT表面的(de)(de)平均溫(wen)(wen)(wen)度(du)(du)(du)(du)t2再進(jin)(jin)行(xing)計算。7毖姑艫繾璧募觳狻Ｓ猛蠐帽淼腞×1k擋測(ce)(ce)量(liang)壓(ya)敏(min)電(dian)(dian)(dian)阻(zu)兩引腳之間的(de)(de)正、反向絕緣電(dian)(dian)(dian)阻(zu)。