電視機尺寸與觀看距離
32寸建議觀看距離為2.3m;39寸建議觀(guan)看距(ju)離為2.5m;42寸(cun)建(jian)議觀看距離(li)為3.0m;46寸(cun)建(jian)議觀看距離為3.5m;52寸建議觀看(kan)距(ju)離(li)為4.0m;60寸建議觀看距離為4.5m。
電視機尺寸多大合適
液晶電視機常見的尺寸(cun)(cun)(cun)有(you)32寸(cun)(cun)(cun)、42寸(cun)(cun)(cun)、46寸(cun)(cun)(cun)、47寸(cun)(cun)(cun)、50寸(cun)(cun)(cun)、60寸(cun)(cun)(cun)。如(ru)果(guo)是(shi)臥(wo)室的電視機,那(nei)么32寸(cun)(cun)(cun)、42寸(cun)(cun)(cun)是(shi)不(bu)錯的選(xuan)擇。如(ru)果(guo)是(shi)放置在(zai)客(ke)廳,客(ke)廳又不(bu)是(shi)很(hen)大,42寸(cun)(cun)(cun)、46寸(cun)(cun)(cun)、47寸(cun)(cun)(cun)的電視機就(jiu)很(hen)適合(he)。如(ru)果(guo)客(ke)廳面積很(hen)大,可以選(xuan)50寸(cun)(cun)(cun)的電視機。而60寸(cun)(cun)(cun)適合(he)別墅使用(yong)。
液晶電視尺寸計算方法
以32寸(cun)(cun)液晶電視機為例(li),其尺寸(cun)(cun)計(ji)(ji)算(suan)方法:以1 英寸(cun)(cun)= 2.539999918 厘米(mi),以電視平面對角(jiao)線(xian)計(ji)(ji)算(suan)為準:32*2.539999918 =81.27997376厘米(mi),按常見(jian)4:3為比(bi)例(li)計(ji)(ji)算(suan),一(yi)般是長=65.024cm,寬=48.768cm ;若按16:9為比(bi)例(li)計(ji)(ji)算(suan),一(yi)般是69=cm,寬=39cm。
電視機黑屏是怎么回事
如(ru)(ru)果(guo)電(dian)(dian)(dian)視機(ji)(ji)的電(dian)(dian)(dian)源(yuan)(yuan)(yuan)指示燈滅,則可能(neng)是(shi)電(dian)(dian)(dian)視機(ji)(ji)的電(dian)(dian)(dian)源(yuan)(yuan)(yuan)連接有問題(ti),導致突然斷電(dian)(dian)(dian)黑屏(ping)。 比如(ru)(ru)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)插頭(tou)松動(dong)、電(dian)(dian)(dian)源(yuan)(yuan)(yuan)線故(gu)(gu)(gu)障(zhang)(zhang)等,可以(yi)(yi)逐一排查(cha),找出(chu)問題(ti)進(jin)(jin)行相應的處理。 如(ru)(ru)果(guo)電(dian)(dian)(dian)視機(ji)(ji)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)指示燈亮(liang),則可能(neng)是(shi)用戶誤按遙控器的待(dai)機(ji)(ji)鍵使電(dian)(dian)(dian)視機(ji)(ji)進(jin)(jin)入待(dai)機(ji)(ji)狀態,所以(yi)(yi)顯(xian)示黑屏(ping),只要(yao)重新按下待(dai)機(ji)(ji)鍵即(ji)可。 如(ru)(ru)果(guo)以(yi)(yi)上方法排查(cha)后,電(dian)(dian)(dian)視機(ji)(ji)仍然黑屏(ping),有可能(neng)是(shi)硬件故(gu)(gu)(gu)障(zhang)(zhang)引起的。比如(ru)(ru)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)模塊故(gu)(gu)(gu)障(zhang)(zhang)、開(kai)關電(dian)(dian)(dian)路(lu)短路(lu)或開(kai)路(lu)、高(gao)壓板故(gu)(gu)(gu)障(zhang)(zhang)、液晶屏(ping)或屏(ping)線故(gu)(gu)(gu)障(zhang)(zhang)、主板芯片(pian)或者其他零(ling)部件故(gu)(gu)(gu)障(zhang)(zhang)等,這時(shi)候(hou)需要(yao)聯系電(dian)(dian)(dian)視機(ji)(ji)的售后服務對電(dian)(dian)(dian)視機(ji)(ji)進(jin)(jin)行檢(jian)修才能(neng)解決。
市場上電視機品牌眾多,消費者應擦亮眼睛,選購合格有質量保障的產品才是明智選擇。