西門子觸摸屏開機屏幕閃跳(當天*修復)；上(shang)海恒稅修(xiu)(xiu)(xiu)(xiu)西(xi)門(men)子(zi)(zi)(zi)工業(ye)設備修(xiu)(xiu)(xiu)(xiu)的好還修(xiu)(xiu)(xiu)(xiu)的快(kuai)，我公(gong)(gong)司庫存各系列西(xi)門(men)子(zi)(zi)(zi)配件及維修(xiu)(xiu)(xiu)(xiu)所(suo)需配件，模(mo)塊，電容，芯片等(deng)核心配件都(dou)是原廠，修(xiu)(xiu)(xiu)(xiu)好不(bu)易壞，很多修(xiu)(xiu)(xiu)(xiu)好用(yong)到(dao)(dao)報廢(fei)都(dou)有。如果需要維修(xiu)(xiu)(xiu)(xiu)可(ke)以(yi)發給(gei)我公(gong)(gong)司處理，另外公(gong)(gong)司各西(xi)門(men)子(zi)(zi)(zi)模(mo)擬(ni)測試平臺等(deng)在線(xian)測速儀都(dou)齊全，在加上(shang)專業(ye)的西(xi)門(men)子(zi)(zi)(zi)維修(xiu)(xiu)(xiu)(xiu)團隊，可(ke)以(yi)確保西(xi)門(men)子(zi)(zi)(zi)維修(xiu)(xiu)(xiu)(xiu)成(cheng)功率，公(gong)(gong)司以(yi)合理的價格、良好的信(xin)譽，已得到(dao)(dao)同行(xing)及西(xi)門(men)子(zi)(zi)(zi)用(yong)戶的認(ren)可(ke)

西門子觸摸屏開機屏幕閃跳(當天*修復)；通(tong)(tong)電DC24伏(fu)，屏(ping)(ping)幕無(wu)光，電流約(yue)230mA 處(chu)理過(guo)(guo)程(cheng)(cheng)：用(yong)手接(jie)觸屏(ping)(ping)幕，蜂鳴器有(you)呼應，闡明程(cheng)(cheng)序運行(xing)(xing)正(zheng)(zheng)(zheng)常(chang)(chang)。量高(gao)壓(ya)條12伏(fu)DC電壓(ya)正(zheng)(zheng)(zheng)常(chang)(chang)，操控電壓(ya)ENABLE低有(you)用(yong)為低電平正(zheng)(zheng)(zheng)常(chang)(chang)。闡明毛病在高(gao)壓(ya)發作電路或燈(deng)管現(xian)(xian)已損(sun)壞(huai)。拆開(kai)(kai)發現(xian)(xian)燈(deng)管一頭現(xian)(xian)已發黑，替換燈(deng)管后(hou)仍然無(wu)光，查(cha)看高(gao)壓(ya)變壓(ya)器也已損(sun)壞(huai)。市面上(shang)無(wu)此高(gao)壓(ya)變壓(ya)器，于是買一個(ge)(ge)LCD的(de)帶兩管的(de)高(gao)壓(ya)條，接(jie)好線(xian)后(hou)固定，通(tong)(tong)電正(zheng)(zheng)(zheng)常(chang)(chang)。故障(zhang)現(xian)(xian)象：通(tong)(tong)電后(hou)屏(ping)(ping)幕無(wu)顯示，電流約(yue)100mA修(xiu)正(zheng)(zheng)(zheng)過(guo)(guo)程(cheng)(cheng)：用(yong)手接(jie)觸屏(ping)(ping)幕，蜂鳴器無(wu)呼應，闡明程(cheng)(cheng)序運行(xing)(xing)不正(zheng)(zheng)(zheng)常(chang)(chang)。萬用(yong)表丈(zhang)量幾組電壓(ya)3.3伏(fu)、5.1伏(fu)、12伏(fu)都正(zheng)(zheng)(zheng)常(chang)(chang)。據用(yong)戶(hu)反映，用(yong)戶(hu)發現(xian)(xian)接(jie)觸屏(ping)(ping)毛病后(hou)曾企圖(tu)修(xiu)理，在通(tong)(tong)電的(de)過(guo)(guo)程(cheng)(cheng)中(zhong)，呈現(xian)(xian)過(guo)(guo)一次正(zheng)(zheng)(zheng)常(chang)(chang)的(de)狀況(kuang)，但(dan)斷(duan)電后(hou)再次通(tong)(tong)電就不行(xing)(xing)了。剖(pou)析芯(xin)(xin)片(pian)某個(ge)(ge)腳(jiao)(jiao)(jiao)位有(you)虛焊，使(shi)得(de)總(zong)線(xian)過(guo)(guo)錯，然后(hou)程(cheng)(cheng)序不能跑(pao)動。遂用(yong)熱(re)風槍對密腳(jiao)(jiao)(jiao)芯(xin)(xin)片(pian)焊腳(jiao)(jiao)(jiao)加熱(re)，同時用(yong)鑷子按壓(ya)芯(xin)(xin)片(pian)，使(shi)焊腳(jiao)(jiao)(jiao)和(he)錫(xi)從頭熔合(he)。通(tong)(tong)過(guo)(guo)以(yi)上(shang)處(chu)理后(hou)，從頭開(kai)(kai)機(ji)，電流上(shang)升到470mA，一切正(zheng)(zheng)(zheng)常(chang)(chang)。