液晶電(dian)視維(wei)修收(shou)費不(bu)換板的話一般維(wei)修費用(yong)100+,看電(dian)視尺寸而定。更換整個主(zhu)板(ban)的話,大概是300-500元左右。有的籠(long)統地給(gei)出類似“背投(tou)電視400元”、“液晶電視400元”、“38英寸250”等模(mo)糊的維修(xiu)(xiu)費(fei)用報(bao)價(jia)(jia)。液晶電(dian)視維修(xiu)(xiu)價(jia)(jia)格(ge)也(ye)沒(mei)啥標準,各(ge)地(di)不(bu)同(tong),不(bu)同(tong)師傅價(jia)(jia)格(ge)也(ye)不(bu)一樣,注意(yi)別(bie)被坑了。液晶屏一般(ban)是電(dian)視價(jia)(jia)格(ge)的60-70%,如果(guo)過了3年質保期就沒必要(yao)換了,不如(ru)買新(xin)的。
提醒:商(shang)(shang)家在售后服(fu)(fu)務(wu)(wu)(wu)卡期(qi)內維(wei)(wei)修(xiu)是(shi)不應該收(shou)取上門(men)(men)費(fei)(fei)的,如果(guo)商(shang)(shang)品已(yi)經過(guo)了(le)免費(fei)(fei)售后服(fu)(fu)務(wu)(wu)(wu)卡期(qi),商(shang)(shang)家收(shou)取維(wei)(wei)修(xiu)上門(men)(men)費(fei)(fei)的收(shou)費(fei)(fei)方式是(shi)合理的。由于目前國家對家電(dian)維(wei)(wei)修(xiu)并(bing)沒有強制規定,所以(yi)企(qi)業多按照自定標準執行。消(xiao)費(fei)(fei)者在接(jie)受家電(dian)維(wei)(wei)修(xiu)上門(men)(men)服(fu)(fu)務(wu)(wu)(wu)時,最(zui)好(hao)問清(qing)楚維(wei)(wei)修(xiu)服(fu)(fu)務(wu)(wu)(wu)的項目和費(fei)(fei)用,查(cha)看價目表或價目冊,并(bing)索(suo)取調(diao)換下來的原零配件及詳盡的維(wei)(wei)修(xiu)服(fu)(fu)務(wu)(wu)(wu)票據(ju),以(yi)便(bian)維(wei)(wei)護(hu)自己的合法權益。
1、液晶(jing)電(dian)(dian)視(shi)在使用的過程中(zhong),如果出(chu)(chu)現電(dian)(dian)視(shi)機(ji)(ji)開機(ji)(ji)沒有(you)聲(sheng)音和圖像的問題,同(tong)時電(dian)(dian)視(shi)機(ji)(ji)電(dian)(dian)源(yuan)燈閃一下之(zhi)后變成(cheng)了長亮(liang),電(dian)(dian)視(shi)機(ji)(ji)在開機(ji)(ji)的瞬間(jian)閃現白(bai)光,這時電(dian)(dian)視(shi)機(ji)(ji)出(chu)(chu)現的故障就應該是電(dian)(dian)視(shi)機(ji)(ji)的背光驅動(dong)板損壞了,但是也(ye)不排除(chu)是電(dian)(dian)視(shi)背光燈管(guan)出(chu)(chu)現問題所(suo)導(dao)致。
2、電(dian)(dian)視機(ji)(ji)在開機(ji)(ji)之后出(chu)現三無現象,無聲音無圖像電(dian)(dian)源(yuan)燈(deng)不亮(liang)。這一故障導(dao)致因(yin)素首(shou)先應(ying)該是電(dian)(dian)源(yuan)板出(chu)現問題,再次可能是因(yin)為電(dian)(dian)視機(ji)(ji)的CPU部分工作不正常所導致。
3、電(dian)視機燈閃之后不能(neng)開機。這一液晶電(dian)視的(de)故(gu)障(zhang)判(pan)別(bie)應該是電(dian)視機的(de)CPU總線工(gong)作(zuo)不正常或是液晶電視的IC接觸不(bu)良。
4、電視機出(chu)現滿屏的雜點或者是滿屏有規(gui)律(lv)的豎(shu)條的時(shi)候一般情況下都是電視機的緩沖板出(chu)現了問題,這(zhe)時(shi)進行液(ye)晶電視維修的時(shi)候,就可以更換一對緩沖板,或者是測量哪一個IC線路出現故障,之后進(jin)行更換即可。
5、液晶(jing)電(dian)(dian)(dian)(dian)視最容易出現的問(wen)(wen)題是(shi)暗(an)帶和線條,當液晶(jing)電(dian)(dian)(dian)(dian)視出現這樣的問(wen)(wen)題時,其實就可以將其歸納(na)成(cheng)為(wei)是(shi)電(dian)(dian)(dian)(dian)視顯(xian)示屏的問(wen)(wen)題,液晶(jing)電(dian)(dian)(dian)(dian)視顯(xian)示屏出現這一現象的原因(yin)可能是(shi)因(yin)為(wei)電(dian)(dian)(dian)(dian)視溫度過高(gao)導致液晶(jing)電(dian)(dian)(dian)(dian)視的COF和屏(ping)之間(jian)的(de)連接點(dian)脫離,這時進行液晶電視維修的(de)時候(hou)可以使用平頭的(de)烙鐵墊層(ceng)隔熱介質(zhi)熨燙的(de)方(fang)式進行修復(fu)。
6、液晶電(dian)(dian)(dian)視(shi)(shi)出(chu)(chu)現開機有關但是(shi)(shi)(shi)一段時間之后無光有聲(sheng)音的(de)(de)(de)情況(kuang)是(shi)(shi)(shi),一般都是(shi)(shi)(shi)因為(wei)電(dian)(dian)(dian)視(shi)(shi)屏(ping)組件逆變電(dian)(dian)(dian)路出(chu)(chu)現故障(zhang)導致的(de)(de)(de),除此之外還(huan)有是(shi)(shi)(shi)因為(wei)電(dian)(dian)(dian)視(shi)(shi)機光管的(de)(de)(de)老化或是(shi)(shi)(shi)損壞導致電(dian)(dian)(dian)視(shi)(shi)機高(gao)壓(ya)(ya)板保護。這時進行維修時可以使用(yong)取消(xiao)高(gao)壓(ya)(ya)板上的(de)(de)(de)均值反饋到電(dian)(dian)(dian)路中的(de)(de)(de)方式(shi)來判斷是(shi)(shi)(shi)不(bu)是(shi)(shi)(shi)高(gao)壓(ya)(ya)板本身出(chu)(chu)現了問題。
1、花(hua)屏。花(hua)屏是指電視屏幕還(huan)會顯示圖像并(bing)有(you)(you)聲音,但圖像并(bing)不完(wan)整(zheng),會入突然出(chu)(chu)(chu)(chu)現(xian)色塊等現(xian)象(xiang),讓人無法正常觀看電視。一般出(chu)(chu)(chu)(chu)現(xian)這種情(qing)況之后(hou)首先應(ying)該看看主(zhu)板時(shi)鐘輸出(chu)(chu)(chu)(chu)是否正常、主(zhu)板三(san)色信(xin)號由輸出(chu)(chu)(chu)(chu)到(dao)主(zhu)芯(xin)片部分線(xian)路有(you)(you)沒有(you)(you)出(chu)(chu)(chu)(chu)現(xian)故障、主(zhu)板信(xin)號輸出(chu)(chu)(chu)(chu)到(dao)出(chu)(chu)(chu)(chu)入到(dao)屏的連接部分有(you)(you)沒有(you)(you)出(chu)(chu)(chu)(chu)現(xian)短路等情(qing)況。
2、黑屏(ping)。黑屏(ping)情況一般會(hui)比較多見,包括圖像干擾、不滿屏(ping)等現(xian)(xian)象都(dou)屬于黑屏(ping)現(xian)(xian)象。黑屏(ping)現(xian)(xian)象出現(xian)(xian)后首先要檢查是(shi)否主板程序丟失(shi),如果是(shi)的(de)話只(zhi)需要重新(xin)寫入程序就(jiu)可以解決。然(ran)后需要檢查的(de)是(shi)芯片是(shi)否損壞(huai),芯片如有損壞(huai)就(jiu)需要更(geng)換新(xin)的(de)芯片然(ran)后重新(xin)寫入程序。
3、白屏。出現白屏現象(xiang)后應該先檢查主(zhu)板是否工(gong)作(zuo)正常(chang),可按電源開關查看指(zhi)示燈(deng)(deng)有無反(fan)應,如果(guo)指(zhi)示燈(deng)(deng)可以變換(huan)顏色,表明主(zhu)板工(gong)作(zuo)正常(chang)。
測試主板(ban)是(shi)否正常(chang)的方法(fa)如下:檢查主板(ban)信(xin)號輸出到屏的連接線(xian)是(shi)否接觸良(liang)好;主(zhu)板各個工(gong)作點電壓是否正常。如(ru)果(guo)以上測試(shi)都正常那(nei)就(jiu)不是主(zhu)板的問題,應該(gai)看看是否芯片和(he)CPU的(de)問題。