
西門(men)子(zi)TP1200不(bu)運(yun)行屏幕黑屏維(wei)修(xiu)分析(xi)
西門(men)子(zi)TP1200觸摸屏出(chu)現(xian)黑屏(ping)故(gu)障(zhang)可能由(you)以(yi)下原(yuan)因導致(zhi),需(xu)結合硬件(jian)、軟件(jian)及(ji)環(huan)境因素(su)綜合(he)排查:
壹(yi)、電(dian)源(yuan)問題
電(dian)源(yuan)電(dian)壓(ya)不(bu)穩定(ding):供電(dian)電(dian)壓(ya)異(yi)常(chang)(如(ru)低(di)於23.5V)可(ke)能(neng)導(dao)致(zhi)主(zhu)板無法正(zheng)常(chang)工(gong)作,觸(chu)發黑(hei)屏
電(dian)源(yuan)模塊故障:保險(xian)管、電(dian)容(rong)或MOS管燒毀會(hui)導致(zhi)供電(dian)中(zhong)斷,需檢(jian)測電(dian)源(yuan)輸(shu)出(chu)並(bing)更(geng)換(huan)損壞元件(jian)
二(er)、硬件(jian)故(gu)障(zhang)
主(zhu)板損壞:主(zhu)板電(dian)容(rong)鼓包(bao)、芯(xin)片(pian)虛焊(han)或電(dian)源(yuan)芯(xin)片(pian)故(gu)障(zhang)可能導(dao)致(zhi)黑(hei)屏,需專業檢(jian)測或(huo)更換主(zhu)板
顯(xian)示(shi)屏(ping)排線或邏輯板故障:排線松(song)動或(huo)邏(luo)輯板控(kong)制(zhi)芯(xin)片(pian)損壞會(hui)導致(zhi)無顯示(shi),需(xu)重(zhong)新插拔(ba)或更(geng)換(huan)排線
三、軟件(jian)與(yu)系(xi)統(tong)問題
程序(xu)錯(cuo)誤(wu)或系統(tong)崩潰(kui):組(zu)態程序(xu)異(yi)常(chang)或(huo)系統(tong)文(wen)件(jian)損壞可能引(yin)發(fa)黑(hei)屏(ping),需恢復(fu)出(chu)廠(chang)設(she)置(zhi)或(huo)重(zhong)裝(zhuang)固件(jian)
固件(jian)更(geng)新失(shi)敗:OS更(geng)新過(guo)程中(zhong)斷可能導致(zhi)黑(hei)屏,需重(zhong)新導(dao)入(ru)程序(xu)
四(si)、環(huan)境幹(gan)擾(rao)
高(gao)溫(wen)或(huo)蒸(zheng)汽(qi)環(huan)境:操作(zuo)間內蒸(zheng)汽(qi)或(huo)熱氣(qi)可(ke)能(neng)影(ying)響設(she)備(bei)運(yun)行,需改(gai)善(shan)散熱(re)條件(jian)或(huo)加(jia)裝(zhuang)防(fang)護(hu)措施
電(dian)磁(ci)幹(gan)擾(rao)(EMI):強電(dian)磁(ci)場可能(neng)幹(gan)擾(rao)信(xin)號(hao)傳(chuan)輸(shu),需(xu)確保接地(di)良好(電(dian)阻(zu)≤4Ω)
建(jian)議排查步驟
優(you)先檢(jian)查電(dian)源(yuan):測量(liang)電(dian)壓(ya)穩(wen)定性(xing),更換(huan)燒毀的保險(xian)管、電(dian)容(rong)等元(yuan)件(jian)
測(ce)試(shi)替(ti)換(huan)法(fa):更(geng)換(huan)同(tong)型(xing)號(hao)正(zheng)常(chang)屏(ping)或電(dian)源(yuan)模塊,快(kuai)速(su)定(ding)位(wei)故障部件(jian)
軟件(jian)恢(hui)復(fu):嘗試(shi)恢復(fu)出(chu)廠(chang)設(she)置(zhi)或(huo)更新OS,排除軟件(jian)故(gu)障(zhang)
專業維(wei)修(xiu):若(ruo)問題持續,需返廠(chang)檢(jian)測主(zhu)板或(huo)芯(xin)片(pian)級(ji)維(wei)修(xiu)
無法進入(ru)系統(tong),光(guang)標對角(jiao)來(lai)回移動,最(zui)後(hou)進入(ru)黑屏(ping),SIEMENS TP700開(kai)機停(ting)留在(zai)畫(hua)面,無法進入(ru)系統(tong),TP700 comfort斷(duan)電(dian)重(zhong)啟(qi)後(hou)無法進入(ru)WinCE系統(tong),TP1200觸(chu)摸屏進入(ru)不(bu)了系(xi)統(tong),軟件(jian)恢(hui)復(fu)出(chu)廠(chang)設(she)置(zhi)也(ye)連(lian)接(jie)不(bu)上,停(ting)留在(zai)SIMATIC HMI 界(jie)面(mian)主(zhu)板壞導致(zhi)問題的,西門(men)子(zi)TP1200自(zi)己(ji)經常(chang)重(zhong)啟(qi),TP700黑(hei)屏(ping)維(wei)修(xiu),西門(men)子(zi)TP1200觸摸屏通(tong)電(dian)壹(yi)段(duan)時間(jian)後死機,西門(men)子(zi)精致(zhi)觸(chu)摸屏卡(ka)畫(hua)面不(bu)進系統(tong),

