電視機尺寸與觀看距離
32寸建議觀看距離為2.3m;39寸建(jian)議觀看距離(li)為2.5m;42寸建議觀看(kan)距離為(wei)3.0m;46寸(cun)建議觀看距離為3.5m;52寸建(jian)議觀看(kan)距離為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(dian)視(shi)機常見的(de)(de)尺寸(cun)有(you)32寸(cun)、42寸(cun)、46寸(cun)、47寸(cun)、50寸(cun)、60寸(cun)。如果(guo)是臥室的(de)(de)電(dian)視(shi)機,那么32寸(cun)、42寸(cun)是不錯的(de)(de)選(xuan)(xuan)擇(ze)。如果(guo)是放置在客(ke)(ke)廳,客(ke)(ke)廳又(you)不是很(hen)大(da),42寸(cun)、46寸(cun)、47寸(cun)的(de)(de)電(dian)視(shi)機就很(hen)適(shi)合。如果(guo)客(ke)(ke)廳面積很(hen)大(da),可(ke)以選(xuan)(xuan)50寸(cun)的(de)(de)電(dian)視(shi)機。而60寸(cun)適(shi)合別墅使用。
液晶電視尺寸計算方法
以(yi)32寸液晶電(dian)視機為(wei)(wei)例(li),其尺寸計算(suan)方法:以(yi)1 英寸= 2.539999918 厘米,以(yi)電(dian)視平(ping)面對角線計算(suan)為(wei)(wei)準:32*2.539999918 =81.27997376厘米,按(an)常見4:3為(wei)(wei)比(bi)例(li)計算(suan),一(yi)般(ban)是(shi)(shi)長(chang)=65.024cm,寬=48.768cm ;若按(an)16:9為(wei)(wei)比(bi)例(li)計算(suan),一(yi)般(ban)是(shi)(shi)69=cm,寬=39cm。
電視機黑屏是怎么回事
如(ru)果電(dian)(dian)(dian)(dian)視機(ji)(ji)(ji)(ji)的(de)(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)指示燈(deng)滅,則可(ke)(ke)能是電(dian)(dian)(dian)(dian)視機(ji)(ji)(ji)(ji)的(de)(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)連接有(you)問題,導致突然斷電(dian)(dian)(dian)(dian)黑(hei)(hei)屏(ping)(ping)。 比如(ru)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)插(cha)頭(tou)松動、電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)線(xian)故(gu)(gu)障(zhang)等(deng),可(ke)(ke)以逐(zhu)一排(pai)查,找出問題進行相(xiang)應(ying)的(de)(de)處(chu)理。 如(ru)果電(dian)(dian)(dian)(dian)視機(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)指示燈(deng)亮,則可(ke)(ke)能是用戶(hu)誤按(an)(an)遙(yao)控器的(de)(de)待(dai)(dai)機(ji)(ji)(ji)(ji)鍵(jian)使電(dian)(dian)(dian)(dian)視機(ji)(ji)(ji)(ji)進入待(dai)(dai)機(ji)(ji)(ji)(ji)狀態,所以顯(xian)示黑(hei)(hei)屏(ping)(ping),只要(yao)重新按(an)(an)下待(dai)(dai)機(ji)(ji)(ji)(ji)鍵(jian)即可(ke)(ke)。 如(ru)果以上方法排(pai)查后(hou),電(dian)(dian)(dian)(dian)視機(ji)(ji)(ji)(ji)仍然黑(hei)(hei)屏(ping)(ping),有(you)可(ke)(ke)能是硬件故(gu)(gu)障(zhang)引起的(de)(de)。比如(ru)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)模塊故(gu)(gu)障(zhang)、開關電(dian)(dian)(dian)(dian)路短路或開路、高壓板(ban)故(gu)(gu)障(zhang)、液(ye)晶屏(ping)(ping)或屏(ping)(ping)線(xian)故(gu)(gu)障(zhang)、主板(ban)芯片或者其他零部件故(gu)(gu)障(zhang)等(deng),這時候需要(yao)聯系電(dian)(dian)(dian)(dian)視機(ji)(ji)(ji)(ji)的(de)(de)售后(hou)服務對電(dian)(dian)(dian)(dian)視機(ji)(ji)(ji)(ji)進行檢修才能解(jie)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。