Yuav Ua Luam Lawm Li Cas?
Aug 20, 2018
tsis muaj sij hawm ntev
Tsis txhob siv sij hawm ntev ntev rau kev siv TV, uas yog, cia lub TV so rau ib lub sijhawm, kev siv mus ntev yuav ua rau sab hauv lub TV siab kub los hlawv sab hauv los sis ua kom cov laus hlob. Nyob twj ywm ntawm tib lub vijtsam ntev mus yuav ua rau qee cov pixels rau kev kub siab, ua rau tsis muaj kev tshuaj ntsuam ntawm qhov screen. Yuav kom tsis txhob muaj qhov teeb meem no, sim tsis txhob nias qhov khawm pause thaum saib DV lossis lwm cov yeeb yaj kiab.
Txhob cia qhuav
Them rau lub TV kom qhuav. Cov hauj lwm mus ntev yuav ua rau sab hauv kom sov tuaj. Lub sij hawm no, nws yog qhov nws pom tseeb tias koj yuav ntsib kev ya raws. Qee lub tsev tsis siv lub TV teem txhua, tab sis nws kuj pom zoo kom siv lub zog thaum lub sijhawm. Saib TV thiab cia cov khoom hauv tsev sov tuaj yeem tsav lub dampness sab hauv.
Plua plav tawm
Vim muaj hluav taws xob zoo li qub, qhov npo ntawm LCD TV yog yooj yim paug nrog plua plav. Tab sis dej so yog txoj kev tsis zoo rau kev ntxuav. Thawj yog tias qhov kev kub ntxhov yog kev dav, thiab nws yog ib qho yooj yim uas tawm hauv cov cim dej. Ntau qhov tseem ceeb, cov kua siv lead ua kua ua kom yooj yim rau kev puas tsuaj mus tas li ntawm kev ya raws. (Yog tias cov dej ntws mus rau hauv qhov screen, tsis txhob txav zog, cia dej ntub kom qeeb hauv qhov chaw sov)
Qhov tseeb, cov ntaub so hauv tsev thiab cov kua ntxuav muag rau cov kua muaj kua yog muag. Cov ntaub tu lub cev muaj kev tu zoo dua thiab zoo nkauj mos mos (tsis txhob xav tias daim iav tsom iav tau hloov), thiab cov kua ntxuav muag kuj ua rau cov kev tu zoo dua qub. Yuav kom tsis txhob khawb qhov screen, nws yog qhov zoo uas yuav tau siv cov kev txawj ntse.
Tu
Raws li lub hauv paus ntsiab lus ntawm physics, thaum lub TV ua haujlwm, sab nraud ntawm lub npog ntsej muag muaj hluav taws xob tsub rau daim teb hluav taws xob. Nyob rau hauv qhov kev txiav txim ntawm cov hluav taws xob no, cov plua plav hauv cov pa yuav ua raws li lub ntsej muag ntawm lub ntsej muag fluorescent. Ntev mus, nws yuav tsim ntau dua, cuam tshuam qhov kev saib thiab txawm tias tsim ntawm cov pob tsaus nti, ua rau kev txhaum ntawm daim duab tube tsis ua. Yog li, qhov ntxuav ntawm cov tsos ntawm lub TV screen yuav tsim nyog ua hauj lwm rau TV cov neeg siv.
Cov plua plav rau ntawm sab nrauv ntawm qhov screen yuav tsum muab tua. Tsis tas li ntawd, nws tsis tuaj yeem siv ntxhua nrog cov tawb, cov hnab looj ntsej muag, thiab lwm yam, vim tias cov khoom no yuav raug them rau tom qab muab pov los ntawm cov khoom iav; Yog tias zoo li no yuav siv los ntxuav lub tshuab ua kom pom tseeb, tsis yog nws yuav tsis huv, tab sis cov hmoov av ntawm cov khoom yuav yog, cov plaub ntxhuav, thiab lwm yam txuas nrog rau qhov screen. Nws yog qhov nyuaj tshaj tu qhov tshuaj ntsuam nrog tej yam xws li lub tuam txhab hluav taws xob los yog lwm yam tshuaj ntxhua khaub ncaws. Vim hais tias cov li no muaj ntau dua los sis tsawg dua acid thiab alkaline, lawv ua rau cov khoom ua rau iav, uas yuav muaj kev cuam tshuam ntawm qhov chaw tiav ntawm qhov screen.
Qhov tseeb, nws yog ib lub tswv yim zoo rau siv lub koob yees duab lens tu ntawv los ntxuav lub plua plav nto ntawm qhov screen. Lub lens ntawv yog ib hom iav optical iav zoo li cov qauv tsis-ntaub. Kev ntxuav tu yog siv ua kom zoo zoo tshem tawm cov khib nyuab khib nyiab xws li xuab zeb thiab ntawv tav tav uas ua rau lub lens tsis zoo. Thaum nws ntxuav qhov npoo ntawm qhov screen, nws yuav tsis tsuas yog kos nws, tab sis kuj muaj cov nyom zoo tshem tawm cov ploj tawm, tsis muaj hluav taws xob zoo li qub, thiab tsis muaj txuas, thiaj li ntxuav thiab tiv thaiv qhov npoo ntawm qhov screen.
Thaum siv, siv lub lens daim ntawv so lub npo ntawm qhov screen rau tib yam nkaus, tom qab ntawd me ntsis nce lub zog ntawm daim ntawv so lub npo ntawm qhov screen thiab tas nws. Nws yuav tsum tau muab sau tseg tias thawj kis yuav tsum muaj lub teeb kom tsis txhob khawb qhov npo ntawm qhov screen. Nyob rau hauv txoj kev no, lub ntsej muag fluorescent tom qab plua av yog ci li tshiab, thiab daim duab yog qhov muag plooj ua ntej yuav tau ntxuav cov plua plav.
