電視機尺寸與觀看距離
32寸建議觀看距離為2.3m;39寸(cun)建議(yi)觀看距離(li)為(wei)2.5m;42寸建議觀看距離為3.0m;46寸建議觀看距離為3.5m;52寸(cun)建議觀看(kan)距離(li)為4.0m;60寸建議觀看距離(li)為(wei)4.5m。
電視機尺寸多大合適
液晶電(dian)視機(ji)常見的(de)(de)尺寸有(you)32寸、42寸、46寸、47寸、50寸、60寸。如果是(shi)(shi)臥室的(de)(de)電(dian)視機(ji),那(nei)么32寸、42寸是(shi)(shi)不錯的(de)(de)選擇。如果是(shi)(shi)放置在客廳(ting),客廳(ting)又(you)不是(shi)(shi)很(hen)大,42寸、46寸、47寸的(de)(de)電(dian)視機(ji)就很(hen)適合(he)。如果客廳(ting)面(mian)積很(hen)大,可(ke)以選50寸的(de)(de)電(dian)視機(ji)。而(er)60寸適合(he)別墅使用(yong)。
液晶電視尺寸計算方法
以(yi)(yi)32寸(cun)液晶電(dian)視機為例,其尺寸(cun)計(ji)(ji)算(suan)方法:以(yi)(yi)1 英(ying)寸(cun)= 2.539999918 厘米(mi),以(yi)(yi)電(dian)視平面對角線計(ji)(ji)算(suan)為準:32*2.539999918 =81.27997376厘米(mi),按常見4:3為比(bi)例計(ji)(ji)算(suan),一(yi)般是長=65.024cm,寬(kuan)=48.768cm ;若(ruo)按16:9為比(bi)例計(ji)(ji)算(suan),一(yi)般是69=cm,寬(kuan)=39cm。
電視機黑屏是怎么回事
如(ru)果(guo)電(dian)(dian)(dian)(dian)視機(ji)(ji)的(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)指示(shi)(shi)燈(deng)滅,則(ze)可能(neng)是(shi)(shi)電(dian)(dian)(dian)(dian)視機(ji)(ji)的(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)連接有問題(ti),導致突然(ran)斷電(dian)(dian)(dian)(dian)黑(hei)屏。 比如(ru)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)插頭松(song)動、電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)線故障(zhang)(zhang)等,可以(yi)(yi)逐一排(pai)查,找(zhao)出問題(ti)進行相應的(de)處理。 如(ru)果(guo)電(dian)(dian)(dian)(dian)視機(ji)(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)指示(shi)(shi)燈(deng)亮(liang),則(ze)可能(neng)是(shi)(shi)用戶(hu)誤(wu)按遙控器的(de)待機(ji)(ji)鍵使電(dian)(dian)(dian)(dian)視機(ji)(ji)進入待機(ji)(ji)狀態,所以(yi)(yi)顯(xian)示(shi)(shi)黑(hei)屏,只要重(zhong)新按下待機(ji)(ji)鍵即可。 如(ru)果(guo)以(yi)(yi)上(shang)方法排(pai)查后,電(dian)(dian)(dian)(dian)視機(ji)(ji)仍然(ran)黑(hei)屏,有可能(neng)是(shi)(shi)硬件故障(zhang)(zhang)引起的(de)。比如(ru)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)模塊故障(zhang)(zhang)、開關(guan)電(dian)(dian)(dian)(dian)路(lu)短路(lu)或開路(lu)、高壓板故障(zhang)(zhang)、液晶屏或屏線故障(zhang)(zhang)、主板芯片或者(zhe)其他零部(bu)件故障(zhang)(zhang)等,這時(shi)候需要聯系電(dian)(dian)(dian)(dian)視機(ji)(ji)的(de)售后服務對電(dian)(dian)(dian)(dian)視機(ji)(ji)進行檢修才能(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。