電視機尺寸與觀看距離
32寸建議觀看距離為2.3m;39寸建議觀看(kan)距離為2.5m;42寸建議觀看距(ju)離為3.0m;46寸(cun)建議觀看(kan)距離為3.5m;52寸建議觀看距離為(wei)4.0m;60寸建議觀看(kan)距離(li)為4.5m。
電視機尺寸多大合適
液晶電視(shi)(shi)(shi)機常見的(de)(de)尺(chi)寸(cun)(cun)有32寸(cun)(cun)、42寸(cun)(cun)、46寸(cun)(cun)、47寸(cun)(cun)、50寸(cun)(cun)、60寸(cun)(cun)。如果(guo)(guo)是(shi)(shi)(shi)臥室的(de)(de)電視(shi)(shi)(shi)機,那么32寸(cun)(cun)、42寸(cun)(cun)是(shi)(shi)(shi)不錯的(de)(de)選擇(ze)。如果(guo)(guo)是(shi)(shi)(shi)放置在客(ke)廳,客(ke)廳又不是(shi)(shi)(shi)很大,42寸(cun)(cun)、46寸(cun)(cun)、47寸(cun)(cun)的(de)(de)電視(shi)(shi)(shi)機就很適合。如果(guo)(guo)客(ke)廳面積很大,可以選50寸(cun)(cun)的(de)(de)電視(shi)(shi)(shi)機。而60寸(cun)(cun)適合別墅使用。
液晶電視尺寸計算方法
以32寸(cun)液晶電(dian)視機為例,其尺寸(cun)計算(suan)方法:以1 英寸(cun)= 2.539999918 厘米(mi),以電(dian)視平面對角線(xian)計算(suan)為準:32*2.539999918 =81.27997376厘米(mi),按常見4:3為比例計算(suan),一般是(shi)長=65.024cm,寬(kuan)=48.768cm ;若按16:9為比例計算(suan),一般是(shi)69=cm,寬(kuan)=39cm。
電視機黑屏是怎么回事
如(ru)果電(dian)(dian)(dian)(dian)視(shi)(shi)機(ji)(ji)(ji)(ji)的(de)(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)指示燈(deng)滅,則可能是(shi)電(dian)(dian)(dian)(dian)視(shi)(shi)機(ji)(ji)(ji)(ji)的(de)(de)電(dian)(dian)(dian)(dian)源(yuan)(yuan)連(lian)接有問(wen)(wen)題,導致突(tu)然(ran)斷電(dian)(dian)(dian)(dian)黑(hei)屏。 比如(ru)電(dian)(dian)(dian)(dian)源(yuan)(yuan)插頭松動、電(dian)(dian)(dian)(dian)源(yuan)(yuan)線故(gu)(gu)(gu)障(zhang)(zhang)等,可以逐一排(pai)查,找出問(wen)(wen)題進(jin)行相應的(de)(de)處理。 如(ru)果電(dian)(dian)(dian)(dian)視(shi)(shi)機(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)源(yuan)(yuan)指示燈(deng)亮,則可能是(shi)用戶(hu)誤(wu)按遙控器的(de)(de)待(dai)機(ji)(ji)(ji)(ji)鍵(jian)使電(dian)(dian)(dian)(dian)視(shi)(shi)機(ji)(ji)(ji)(ji)進(jin)入待(dai)機(ji)(ji)(ji)(ji)狀態,所以顯示黑(hei)屏,只要(yao)重新按下(xia)待(dai)機(ji)(ji)(ji)(ji)鍵(jian)即可。 如(ru)果以上方法排(pai)查后,電(dian)(dian)(dian)(dian)視(shi)(shi)機(ji)(ji)(ji)(ji)仍然(ran)黑(hei)屏,有可能是(shi)硬件(jian)故(gu)(gu)(gu)障(zhang)(zhang)引(yin)起的(de)(de)。比如(ru)電(dian)(dian)(dian)(dian)源(yuan)(yuan)模(mo)塊故(gu)(gu)(gu)障(zhang)(zhang)、開(kai)關電(dian)(dian)(dian)(dian)路短(duan)路或(huo)開(kai)路、高壓板故(gu)(gu)(gu)障(zhang)(zhang)、液(ye)晶屏或(huo)屏線故(gu)(gu)(gu)障(zhang)(zhang)、主板芯片或(huo)者其他零部件(jian)故(gu)(gu)(gu)障(zhang)(zhang)等,這時候需(xu)要(yao)聯系電(dian)(dian)(dian)(dian)視(shi)(shi)機(ji)(ji)(ji)(ji)的(de)(de)售后服務對電(dian)(dian)(dian)(dian)視(shi)(shi)機(ji)(ji)(ji)(ji)進(jin)行檢修才能解決。
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。