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(xian)示屏的(de)(de)(de)(de)(de)(de)(de)(de)(de)工作(zuo)(zuo)原理(li)，為了操作(zuo)(zuo)上(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)便，人們用(yong)(yong)(yong)(yong)顯(xian)示(shi)屏(ping)(ping)(ping)(ping)(ping)來(lai)代替鼠標(biao)或鍵盤。工作(zuo)(zuo)時(shi)(shi)，我們必須首先用(yong)(yong)(yong)(yong)手指(zhi)或其它(ta)(ta)物體(ti)觸(chu)摸(mo)(mo)(mo)(mo)安裝在(zai)顯(xian)示(shi)器(qi)前端的(de)(de)(de)(de)(de)(de)(de)(de)(de)顯(xian)示(shi)屏(ping)(ping)(ping)(ping)(ping)，然后(hou)(hou)(hou)系統根據手指(zhi)觸(chu)摸(mo)(mo)(mo)(mo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)圖標(biao)或菜單位(wei)(wei)置來(lai)定位(wei)(wei)選(xuan)擇(ze)信息(xi)輸入。顯(xian)示(shi)屏(ping)(ping)(ping)(ping)(ping)(顯(xian)示(shi)屏(ping)(ping)(ping)(ping)(ping)屏(ping)(ping)(ping)(ping)(ping)的(de)(de)(de)(de)(de)(de)(de)(de)(de)工作(zuo)(zuo)原理(li))由觸(chu)摸(mo)(mo)(mo)(mo)檢(jian)(jian)測部(bu)件和觸(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)控(kong)(kong)制(zhi)(zhi)器(qi)組(zu)成(cheng)；觸(chu)摸(mo)(mo)(mo)(mo)檢(jian)(jian)測部(bu)件安裝在(zai)顯(xian)示(shi)器(qi)屏(ping)(ping)(ping)(ping)(ping)幕前面(mian)，用(yong)(yong)(yong)(yong)于(yu)檢(jian)(jian)測用(yong)(yong)(yong)(yong)戶觸(chu)摸(mo)(mo)(mo)(mo)位(wei)(wei)置，接(jie)受后(hou)(hou)(hou)送觸(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)控(kong)(kong)制(zhi)(zhi)器(qi)；而顯(xian)示(shi)屏(ping)(ping)(ping)(ping)(ping)控(kong)(kong)制(zhi)(zhi)器(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)主要作(zuo)(zuo)用(yong)(yong)(yong)(yong)是從(cong)觸(chu)摸(mo)(mo)(mo)(mo)點(dian)(dian)檢(jian)(jian)測裝置上(shang)接(jie)收(shou)觸(chu)摸(mo)(mo)(mo)(mo)信息(xi)，并將它(ta)(ta)轉換(huan)成(cheng)觸(chu)點(dian)(dian)坐標(biao)，再送給CPU，它(ta)(ta)同時(shi)(shi)能(neng)(neng)(neng)(neng)(neng)接(jie)收(shou)CPU發(fa)來(lai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)命令(ling)并加以執(zhi)行。發(fa)射換(huan)能(neng)(neng)(neng)(neng)(neng)器(qi)把控(kong)(kong)制(zhi)(zhi)器(qi)通過(guo)(guo)顯(xian)示(shi)屏(ping)(ping)(ping)(ping)(ping)電(dian)纜(lan)送來(lai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)信號(hao)(hao)轉化為聲(sheng)(sheng)波(bo)(bo)(bo)能(neng)(neng)(neng)(neng)(neng)量(liang)向(xiang)左方(fang)表面(mian)傳(chuan)(chuan)遞(di)，然后(hou)(hou)(hou)由玻璃板下邊的(de)(de)(de)(de)(de)(de)(de)(de)(de)一組(zu)精密反(fan)(fan)射條紋(wen)把聲(sheng)(sheng)波(bo)(bo)(bo)能(neng)(neng)(neng)(neng)(neng)量(liang)反(fan)(fan)射成(cheng)向(xiang)上(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)均(jun)勻面(mian)傳(chuan)(chuan)遞(di)，聲(sheng)(sheng)波(bo)(bo)(bo)能(neng)(neng)(neng)(neng)(neng)量(liang)經過(guo)(guo)屏(ping)(ping)(ping)(ping)(ping)體(ti)表面(mian)，再由上(shang)邊的(de)(de)(de)(de)(de)(de)(de)(de)(de)反(fan)(fan)射條紋(wen)聚(ju)成(cheng)向(xiang)右的(de)(de)(de)(de)(de)(de)(de)(de)(de)線(xian)傳(chuan)(chuan)播給X-軸的(de)(de)(de)(de)(de)(de)(de)(de)(de)接(jie)收(shou)換(huan)能(neng)(neng)(neng)(neng)(neng)器(qi)，接(jie)收(shou)換(huan)能(neng)(neng)(neng)(neng)(neng)器(qi)將返回(hui)的(de)(de)(de)(de)(de)(de)(de)(de)(de)表面(mian)聲(sheng)(sheng)波(bo)(bo)(bo)能(neng)(neng)(neng)(neng)(neng)量(liang)變為電(dian)信號(hao)(hao)。發(fa)射信號(hao)(hao)與接(jie)收(shou)信號(hao)(hao)波(bo)(bo)(bo)形(xing)在(zai)沒有(you)觸(chu)摸(mo)(mo)(mo)(mo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)候，接(jie)收(shou)信號(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)波(bo)(bo)(bo)形(xing)與參照波(bo)(bo)(bo)形(xing)*一樣(yang)。當手指(zhi)或其它(ta)(ta)能(neng)(neng)(neng)(neng)(neng)夠吸收(shou)或阻擋聲(sheng)(sheng)波(bo)(bo)(bo)能(neng)(neng)(neng)(neng)(neng)量(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)物體(ti)觸(chu)摸(mo)(mo)(mo)(mo)屏(ping)(ping)(ping)(ping)(ping)幕時(shi)(shi)，X軸途經手指(zhi)部(bu)位(wei)(wei)向(xiang)上(shang)走(zou)的(de)(de)(de)(de)(de)(de)(de)(de)(de)聲(sheng)(sheng)波(bo)(bo)(bo)能(neng)(neng)(neng)(neng)(neng)量(liang)被(bei)部(bu)分吸收(shou)，反(fan)(fan)應在(zai)接(jie)收(shou)波(bo)(bo)(bo)形(xing)上(shang)即某一時(shi)(shi)刻位(wei)(wei)置上(shang)波(bo)(bo)(bo)形(xing)有(you)一個衰(shuai)(shuai)減缺(que)(que)口。接(jie)收(shou)波(bo)(bo)(bo)形(xing)對應手指(zhi)擋住部(bu)位(wei)(wei)信號(hao)(hao)衰(shuai)(shuai)減了一個缺(que)(que)口，計算(suan)缺(que)(que)口位(wei)(wei)置即得觸(chu)摸(mo)(mo)(mo)(mo)坐標(biao)，控(kong)(kong)制(zhi)(zhi)器(qi)分析(xi)到接(jie)收(shou)信號(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)衰(shuai)(shuai)減并由缺(que)(que)口的(de)(de)(de)(de)(de)(de)(de)(de)(de)位(wei)(wei)置判定X坐標(biao)。