西門子MP377顯示屏開機重啟-解決實力專業；

顯示屏維修與分析：檢查顯示(shi)屏上是否存在異物，經過檢查沒有發現任何問題。然后檢查顯示(shi)屏與計算機的操作系統是否發生故障，在驅動系統中SAWDUMP命令使用DOS指令檢測顯示(shi)屏的類型、連接端口號等都能重控制器中讀取到相關的數據，查看X軸和Y軸的AGC數值中是否存在問題。檢查發現X軸的數值為255時，表明X軸的換能器損壞，將其更換維修后。重新運行顯示屏，工作恢復正常。

西門子MP377顯示屏開機重啟-解決實力專業；

顯示(shi)屏的(de)(de)工作(zuo)原(yuan)(yuan)理，為(wei)了操作(zuo)上的(de)(de)方便(bian)，人們用(yong)顯(xian)(xian)示(shi)(shi)屏(ping)來代替鼠標(biao)或(huo)(huo)鍵(jian)盤。工作(zuo)時(shi)，我(wo)們必須首先用(yong)手(shou)(shou)(shou)指(zhi)或(huo)(huo)其它物體(ti)觸(chu)(chu)(chu)摸(mo)(mo)(mo)安裝在顯(xian)(xian)示(shi)(shi)器(qi)前端(duan)的(de)(de)顯(xian)(xian)示(shi)(shi)屏(ping)，然后(hou)系統(tong)根據手(shou)(shou)(shou)指(zhi)觸(chu)(chu)(chu)摸(mo)(mo)(mo)的(de)(de)圖標(biao)或(huo)(huo)菜單(dan)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)來定位(wei)(wei)(wei)選擇信(xin)(xin)息輸入。顯(xian)(xian)示(shi)(shi)屏(ping)(顯(xian)(xian)示(shi)(shi)屏(ping)屏(ping)的(de)(de)工作(zuo)原(yuan)(yuan)理)由(you)觸(chu)(chu)(chu)摸(mo)(mo)(mo)檢(jian)(jian)測部(bu)件(jian)和觸(chu)(chu)(chu)摸(mo)(mo)(mo)屏(ping)控(kong)制(zhi)(zhi)器(qi)組成(cheng)；觸(chu)(chu)(chu)摸(mo)(mo)(mo)檢(jian)(jian)測部(bu)件(jian)安裝在顯(xian)(xian)示(shi)(shi)器(qi)屏(ping)幕(mu)前面(mian)(mian)，用(yong)于(yu)檢(jian)(jian)測用(yong)戶觸(chu)(chu)(chu)摸(mo)(mo)(mo)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)，接受后(hou)送(song)觸(chu)(chu)(chu)摸(mo)(mo)(mo)屏(ping)控(kong)制(zhi)(zhi)器(qi)；而顯(xian)(xian)示(shi)(shi)屏(ping)控(kong)制(zhi)(zhi)器(qi)的(de)(de)主要作(zuo)用(yong)是從(cong)觸(chu)(chu)(chu)摸(mo)(mo)(mo)點檢(jian)(jian)測裝置(zhi)(zhi)(zhi)(zhi)(zhi)上接收(shou)(shou)(shou)觸(chu)(chu)(chu)摸(mo)(mo)(mo)信(xin)(xin)息，并將它轉換(huan)成(cheng)觸(chu)(chu)(chu)點坐(zuo)(zuo)標(biao)，再送(song)給(gei)CPU，它同時(shi)能(neng)(neng)(neng)接收(shou)(shou)(shou)CPU發來的(de)(de)命令并加以執行(xing)。發射換(huan)能(neng)(neng)(neng)器(qi)把控(kong)制(zhi)(zhi)器(qi)通過(guo)(guo)顯(xian)(xian)示(shi)(shi)屏(ping)電纜送(song)來的(de)(de)電信(xin)(xin)號(hao)轉化為(wei)聲波(bo)(bo)(bo)能(neng)(neng)(neng)量向(xiang)左方表(biao)面(mian)(mian)傳(chuan)遞，然后(hou)由(you)玻(bo)璃板下邊的(de)(de)一組精密反(fan)射條紋把聲波(bo)(bo)(bo)能(neng)(neng)(neng)量反(fan)射成(cheng)向(xiang)上的(de)(de)均勻面(mian)(mian)傳(chuan)遞，聲波(bo)(bo)(bo)能(neng)(neng)(neng)量經過(guo)(guo)屏(ping)體(ti)表(biao)面(mian)(mian)，再由(you)上邊的(de)(de)反(fan)射條紋聚(ju)成(cheng)向(xiang)右的(de)(de)線傳(chuan)播給(gei)X-軸的(de)(de)接收(shou)(shou)(shou)換(huan)能(neng)(neng)(neng)器(qi)，接收(shou)(shou)(shou)換(huan)能(neng)(neng)(neng)器(qi)將返回的(de)(de)表(biao)面(mian)(mian)聲波(bo)(bo)(bo)能(neng)(neng)(neng)量變為(wei)電信(xin)(xin)號(hao)。發射信(xin)(xin)號(hao)與(yu)接收(shou)(shou)(shou)信(xin)(xin)號(hao)波(bo)(bo)(bo)形(xing)在沒有觸(chu)(chu)(chu)摸(mo)(mo)(mo)的(de)(de)時(shi)候，接收(shou)(shou)(shou)信(xin)(xin)號(hao)的(de)(de)波(bo)(bo)(bo)形(xing)與(yu)參照波(bo)(bo)(bo)形(xing)*一樣(yang)。當手(shou)(shou)(shou)指(zhi)或(huo)(huo)其它能(neng)(neng)(neng)夠吸(xi)收(shou)(shou)(shou)或(huo)(huo)阻擋(dang)聲波(bo)(bo)(bo)能(neng)(neng)(neng)量的(de)(de)物體(ti)觸(chu)(chu)(chu)摸(mo)(mo)(mo)屏(ping)幕(mu)時(shi)，X軸途經手(shou)(shou)(shou)指(zhi)部(bu)位(wei)(wei)(wei)向(xiang)上走(zou)的(de)(de)聲波(bo)(bo)(bo)能(neng)(neng)(neng)量被部(bu)分(fen)吸(xi)收(shou)(shou)(shou)，反(fan)應在接收(shou)(shou)(shou)波(bo)(bo)(bo)形(xing)上即(ji)某一時(shi)刻位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)上波(bo)(bo)(bo)形(xing)有一個(ge)衰減(jian)缺(que)口(kou)。接收(shou)(shou)(shou)波(bo)(bo)(bo)形(xing)對應手(shou)(shou)(shou)指(zhi)擋(dang)住部(bu)位(wei)(wei)(wei)信(xin)(xin)號(hao)衰減(jian)了一個(ge)缺(que)口(kou)，計算缺(que)口(kou)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)即(ji)得觸(chu)(chu)(chu)摸(mo)(mo)(mo)坐(zuo)(zuo)標(biao)，控(kong)制(zhi)(zhi)器(qi)分(fen)析到接收(shou)(shou)(shou)信(xin)(xin)號(hao)的(de)(de)衰減(jian)并由(you)缺(que)口(kou)的(de)(de)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)判定X坐(zuo)(zuo)標(biao)。