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(yi)觀看距(ju)離為2.5m;42寸建(jian)議觀看距離為(wei)3.0m;46寸(cun)建議觀看距離為3.5m;52寸(cun)建議觀看距(ju)離為4.0m;60寸建(jian)議觀看距離為4.5m。
電視機尺寸多大合適
液晶(jing)電視(shi)機(ji)常見的(de)尺寸(cun)(cun)(cun)(cun)(cun)有(you)32寸(cun)(cun)(cun)(cun)(cun)、42寸(cun)(cun)(cun)(cun)(cun)、46寸(cun)(cun)(cun)(cun)(cun)、47寸(cun)(cun)(cun)(cun)(cun)、50寸(cun)(cun)(cun)(cun)(cun)、60寸(cun)(cun)(cun)(cun)(cun)。如果(guo)是臥室的(de)電視(shi)機(ji),那么(me)32寸(cun)(cun)(cun)(cun)(cun)、42寸(cun)(cun)(cun)(cun)(cun)是不錯的(de)選(xuan)(xuan)擇。如果(guo)是放置在客(ke)廳,客(ke)廳又不是很(hen)大,42寸(cun)(cun)(cun)(cun)(cun)、46寸(cun)(cun)(cun)(cun)(cun)、47寸(cun)(cun)(cun)(cun)(cun)的(de)電視(shi)機(ji)就很(hen)適合。如果(guo)客(ke)廳面積很(hen)大,可以(yi)選(xuan)(xuan)50寸(cun)(cun)(cun)(cun)(cun)的(de)電視(shi)機(ji)。而60寸(cun)(cun)(cun)(cun)(cun)適合別墅使(shi)用。
液晶電視尺寸計算方法
以32寸(cun)液(ye)晶電視機(ji)為(wei)例(li),其尺寸(cun)計算(suan)方法:以1 英寸(cun)= 2.539999918 厘米,以電視平面(mian)對(dui)角線計算(suan)為(wei)準:32*2.539999918 =81.27997376厘米,按(an)常見4:3為(wei)比(bi)例(li)計算(suan),一(yi)般是長=65.024cm,寬=48.768cm ;若(ruo)按(an)16:9為(wei)比(bi)例(li)計算(suan),一(yi)般是69=cm,寬=39cm。
電視機黑屏是怎么回事
如果(guo)(guo)電(dian)(dian)(dian)視(shi)(shi)機的電(dian)(dian)(dian)源指(zhi)(zhi)示(shi)(shi)燈滅,則可能(neng)是電(dian)(dian)(dian)視(shi)(shi)機的電(dian)(dian)(dian)源連接有問題,導致突然斷(duan)電(dian)(dian)(dian)黑屏。 比如電(dian)(dian)(dian)源插頭松動、電(dian)(dian)(dian)源線故(gu)(gu)障等,可以(yi)(yi)逐一排(pai)查,找(zhao)出(chu)問題進(jin)行相應的處理。 如果(guo)(guo)電(dian)(dian)(dian)視(shi)(shi)機電(dian)(dian)(dian)源指(zhi)(zhi)示(shi)(shi)燈亮,則可能(neng)是用戶誤(wu)按遙控器的待機鍵使電(dian)(dian)(dian)視(shi)(shi)機進(jin)入待機狀態,所以(yi)(yi)顯示(shi)(shi)黑屏,只(zhi)要重新按下待機鍵即可。 如果(guo)(guo)以(yi)(yi)上(shang)方法排(pai)查后,電(dian)(dian)(dian)視(shi)(shi)機仍(reng)然黑屏,有可能(neng)是硬件故(gu)(gu)障引(yin)起(qi)的。比如電(dian)(dian)(dian)源模塊(kuai)故(gu)(gu)障、開(kai)關電(dian)(dian)(dian)路(lu)短路(lu)或(huo)開(kai)路(lu)、高壓(ya)板故(gu)(gu)障、液晶屏或(huo)屏線故(gu)(gu)障、主板芯(xin)片或(huo)者(zhe)其他零(ling)部件故(gu)(gu)障等,這(zhe)時候需要聯系電(dian)(dian)(dian)視(shi)(shi)機的售后服務對(dui)電(dian)(dian)(dian)視(shi)(shi)機進(jin)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。