Nrog rau kev ua si hauv TV, cov neeg lub neej tau hloov cov cim, lawv tau siv sij hawm ntau hauv tsev, hauv tsev neeg lub voj voog. Txog rau hnub no, lub TV zoo yog, kab tias, qhov tseem ceeb ntawm lub tsev. Nws zoo saib koj cov yeeb yaj kiab, koob, xov xwm lossis ntaus pob ncaws pob thaum kawg ntawm hnub ntawd. Thaum cov neeg tau zoo siab nrog cov TVs yooj yim, LCD televisions yog tam sim no dav siv. Tab sis yuav ua li cas xaiv txoj cai LCD TV? Dab tsi cov yam ntxwv ntawm TV tau zoo rau koj? Yuav ua li cas tsis ua yuam kev thaum yuav? Cia saib nws ua ke.
Yog li, koj txiav txim siab los yuav ib lub TV LCD. Nov yog qee txoj cai yooj yim.
Qhov tseeb, thawj qhov uas pom peb pom ntawm TV yog qhov loj me. Xav paub ntau tshaj precisely, lub kab pheeb ces kaum. Ntawm chav kawm ntau lub TV, qhov zoo dua. Tab sis qhov no tsis yog qhov tseeb. Qhov kev ncua deb ntawm lub TV mus rau qhov chaw uas koj nyob thaum saib yog qhov tseem ceeb. Tsis muaj coob tus neeg paub hais tias qhov loj dua tus kab pheeb ces kaum, qhov loj dua qhov kev deb ntawm lub rooj zaum. Qhov pom kev nrug yog 3-4 npaug tshaj qhov kab pheeb ces kaum ntawm TV. Qhov no yuav ua rau kom zoo tshaj plaws.
Qhov ntxiv parameter uas koj yuav tsum tau xyuas yog qhov kev daws teeb meem. Cov nqi no yog qhia hauv pixels. Pixel yog qhov cuabyeej tsawg kawg ntawm lub TV yeeb yam. Nws muaj cov ntaub ntawv hais txog cov duab ntawm cov xim liab, ntsuab thiab xiav. Ntau pixels tsim cov duab. Yog li no, qhov ntau dua qhov kev daws teeb meem (ntau tshaj pixels), qhov zoo dua hauv daim duab kis. Nws yog ib qho tseem ceeb uas yuav tsum paub txog tias saib TV cov kab nrib tsis zoo, 800x600 daws teeb meem yuav tsim nyog (txij li thaum hauv TV TV qhia tau tso tawm raws li tus txheej txheem no). Txawm li cas los xij, saib yeeb yaj kiab DVD, qhov kev daws teeb meem yuav tsum zoo li zoo tau. Qhov feem ntau cov qualitative yog lub digital hom ntawm TV, rau nws qhov zoo tshaj plaws daws teeb meem yog 1920 x 1080 pixels.
Lub sij hawm teb ntawm lub TV yog qhov hloov ceev ntawm cov xim dub thiab dawb. Lub sij hawm luv luv lub sij hawm teb, qhov zoo tshaj qhov xim rendering, thiab ib qho duab yuav tsis sib tshooj. Nws zoo dua yog tias lub sijhawm teb tsis tshaj 8 milliseconds (ms).
Lub ntsiab ntawm cov xim LCD lub TV yog qhov ci thiab qhov sib txawv. Qhov zoo yog qhov sib piv ntawm qhov ci ntsa iab ntawm qhov sib txawv thiab qhov tsaus ntuj nti ntawm daim duab, nws yuav pab qhia qhov tob ntawm qhov xim. Qhov sib piv sib piv tau 600: 1, 800: 1, 1000: 1. Qhov ntau dua qhov ratio, qhov zoo dua. Brightness yog qhov tseem ceeb thaum saib TV hauv cov teeb meem sib txawv, i.e. nyob rau hauv lub teeb thiab tsaus lub sij hawm ntawm lub hnub. Yog hais tias qhov ci ntsa iab tsis txaus, koj ob lub qhov muag yuav nkees heev, thiab koj yuav tsis txaus siab los saib. Ib qho ci ntsa iab ntawm 450 cd / m2 yog qhov zoo. Xws li lub TV yuav zoo siab saib ob hnub thiab teeb pom kev zoo, thaum tib lub sij hawm thaum hloov xim yuav tsum yog qhov tseem txaus. Qee cov qauv niaj hnub ntawm cov LCD TVs muaj qhov sensor built-in uas tau kho qhov ci ci.
Koj yuav pom tau tias yog koj saib LCD TV ntawm cov ces kaum sib txawv (piv txwv, ntawm sab, thiab tsis yog qhov chaw), ces daim duab no ua dog dig tsis zoo. Cov nqi no yog hu ua lub kaum ntse ntse. Nws zoo siab saib TV nrog qhov pom ze ze 180 degrees (177-179), qhov no yuav tsum ua kom tau los ntawm ntau yam qauv tshiab. Tus thawj heev LCD TVs tau pom ib qho me me, tab sis kev kawm, raws li koj paub, tsis txhob sawv ntsug.
Kev mloog suab lus tseem ceeb heev. Lub ntsiab ntawm lub suab yog nws qhov siv, tsis muaj hwj chim, muaj coob tus neeg xav. Kev siv yog ntsuas hauv decibels (dB). Qhov siab dua qhov siv, lub suab nrov TV nrov ua si. Lub zog, raws li ntsuas hauv Watts, cuam tshuam rau lub suab zoo tsis yig. Feem ntau, cov neeg ua lag luam hauv TV thaij tau sau 100 watts zog, tab sis raws li lub suab zoo, koj tsis to taub dab tsi zog cov yam ntxwv, muaj lub TV hais lus. Ntau ntau xim yog them rau kev siv.
Ob peb lo lus hais txog "kev tawm" thiab "nkag". Lawv feem ntau nyob rau sab nraum qab ntawm lub TV. Tag nrho cov qauv niaj hnub muaj txaus cov lag luam kom txuas ib lub DVD player, lub koob yees duab thiab lwm yam khoom siv. Zoo, yog tias lub TV muaj qhov chaw nres nkoj USB, ces koj tuaj yeem saib koj cov duab nyiam los ntawm TV tshooj lossis mloog koj cov suab nkauj uas nyiam siv koj lub koob yees duab lossis MP3 player.
Ntawm qhov tsim thiab xim xim ntawm lub TV enclosure, nws ntshe tsis tsim nyog tham txog, vim tias lawv tuaj yeem sib txawv. Qhov no yog qhov teeb meem ntawm kev saj.
Yog li ntawd, peb tau nyeem cov qauv tseem ceeb ntawm LCD TVs. Kev xaiv yog koj li! Zoo siab saib!