Hnub no, yuav luag txhua yam khoom siv hluav taws xob siv hauv lub neej txhua hnub yog nruab nrog cov chaw taws teeb tswj. TVs tsis muaj kev zam. Yuav ua li cas ntxiv koj hloov channel yam tsis tau sawv ntawm lub rooj zaum?
Lub TV chaw taws teeb tswj, ua ib qho khoom siv siv zog, feem ntau ua tsis tau. Nws yuav tsum tsis ua haujlwm txhua, lossis tiv nrog nws txoj haujlwm ib nrab.
ua li cas peb ua siab ntev thiab nyiam peb ua thaum lub TV tej thaj chaw deb tsis ua haujlwm? Yog lawm, lawv xav tau sai sai yuav ib qho tshiab. Tab sis yog tias koj muaj lub siab xav thiab ob peb kaum feeb ntawm lub sijhawm dawb, koj tuaj yeem sim kho nws tus kheej.
Nyob rau hauv tsab xov xwm no peb yuav tham txog vim li cas cov chaw taws teeb tswj tsis ua haujlwm, thiab tseem xav txog txoj hauv kev los cawm nws hauv tsev.
Lub TV tej thaj chaw deb tsis ua haujlwm: ua rau thiab cov tsos mob ntawm kev ua haujlwm tsis zoo
Cov khoom siv tswj chaw taws teeb yuav poob nws txoj haujlwm vim qee qhov teeb meem kev lag luam lossis kev tuav tsis raug. Yog li, yog tias koj lub TV chaw taws teeb tswj tau tawg, ua ntej pib nrog nwsdisassembly rau kev kho tom ntej, nws yog ib qho tsim nyog los txiav txim siab rau koj tus kheej li cas cov cim ntawm kev ua haujlwm tsis zoo nws muab. Qhov no yuav ua rau nws yooj yim rau kev npaj ua haujlwm ntxiv.
Feem ntau, qhov chaw taws teeb tswj tsis ua haujlwm yog tus cwj pwm los ntawm:
- pom thiab xav tias muaj kev puas tsuaj;
- tsis teb thaum nias qee cov nyees khawm (lwm cov nyees khawm ua haujlwm);
- teb tsis tiav (tag nrho cov nyees khawm tsis ua haujlwm).
Cia peb xav txog cov cim no hauv cov ntsiab lus ntawm kev ua haujlwm tsis zoo.
Mechanical puas
Yog tias cov chaw taws teeb hauv TV tsis ua haujlwm thiab muaj cov cim pom tseeb ntawm kev puas tsuaj rau nws cov ntaub ntawv, qhov no yuav qhia tau tias nws tsuas yog poob rau hauv pem teb lossis txhob txwm sim ua nws tsis ua haujlwm. Qhov tshwm sim ntawm qhov kev kho mob ntawm cov cuab yeej no yuav yog:
- tsis muaj kev sib cuag ntawm cov roj teeb thiab cov khoom siv hluav taws xob ntawm cov chaw taws teeb tswj;
- xa tawm kev puas tsuaj LED;
- kev ua txhaum ntawm kev ncaj ncees ntawm cov kab hluav taws xob lossis (thiab) cov lus xaus ntawm cov khoom hluav taws xob ntawm lub rooj tsavxwm.
TV chaw taws teeb tsis ua haujlwm: yuav ua li cas thiab pib qhov twg
Nws yog qhov zoo tshaj los pib kuaj mob nrog roj teeb. Thaum lub cuab yeej ntog, nws yog lawv uas feem ntau ua rau nws tsis ua haujlwm. Qhov kev sim nws tus kheej muaj nyob rau hauv kev tshem tawm lub hau ntawm cov chaw taws teeb tswj thiab xyuas qhov chaw ntawm cov roj teeb. Yog tias tsim nyog, lawv yuav tsum tau rov nruab dua, soj ntsuam qhov polarity. Ua tib zoo saib xyuas kom nruj npaum li cas lawv cov neeg sib cuag nrog cov hluav taws xob terminals ntawm lub cuab yeej. Yog tias cov roj teeb dangle, koj yuav tau khoov qhov tsis zoo terminals (caij nplooj ntoos hlav).
Yog tias tom qab cov xwm txheej zoo li no, kev tswj chaw taws teeb rau TV ua haujlwm, kaw lub hau thiab txuas ntxiv siv nws ntxiv. Yog tias qhov no tsis tshwm sim, peb mus rau theem tom ntej ntawm kev kuaj mob.
roj teeb
Tau tshem lub hau ntawm lub cuab yeej los kuaj xyuas cov roj teeb, tsis txhob tub nkeeg dhau los kuaj xyuas lawv cov nqi. Txawm hais tias lub chaw taws teeb tswj siv lub zog tsawg kawg nkaus los ua haujlwm, cov roj teeb thaum kawg yuav ploj mus.
Kev kuaj xyuas yog qhov ua tau zoo tshaj plaws los ntawm kev siv cov khoom siv voltmeter lossis multimeter. Txhawm rau ua qhov no, koj tsuas yog yuav tsum ntsuas qhov voltage ntawm cov neeg sib cuag ntawm cov roj teeb. Nws yuav tsum tsis pub tsawg tshaj 1 V.
Yog tias koj tsis muaj cov cuab yeej no, koj tuaj yeem tshawb xyuas cov roj teeb rau koj lub TV chaw taws teeb tswj los ntawm kev siv lawv hauv lwm cov chaw taws teeb tswj xws li DVD, lub tso suab, cua txias, thiab lwm yam.
Koj tuaj yeem ntxig cov roj teeb uas paub zoo rau hauv peb lub cuab yeej. Tom qab ua kom paub tseeb tias lawv tsim nyog ob qho tib si hauv qhov loj thiab qhov loj ntawm qhov tso zis hluav taws xob, tshem tawm lawv los ntawm lwm qhov chaw taws teeb tswj thiab nruab rau hauv ib qho kev kuaj mob. Qhov kev kuaj pom tias nws yog cov roj teeb uas ua tsis tau? Tsuas yog hloov lawv.
kuaj lub LED
Lub xaim LED ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm cov chaw taws teeb tswj. Nws muaj nyob rau hauv kev xa cov teeb liab infrared ntawm qee zaus mus rau ib qho tshwj xeeb TV receiver. Ua ntej tshaj plaws, tshuaj xyuas LED rau kev puas tsuaj. Yog tias nws tawg, tib txoj kev tawm yognws hloov. Koj yuav tau mus rau lub khw hauv xov tooj cua lossis lub khw muag khoom tshwj xeeb hauv kev muag cov khoom siv hauv xov tooj cua, yuav cov khoom qub thiab muab nws tso rau ntawm qhov chaw puas.
Puas LED zoo li tsis zoo? Tshawb xyuas seb nws ua haujlwm li cas. Nws yog tsis yooj yim sua ua li no nrog lub qhov muag liab qab, txij li thaum tib neeg lub qhov muag tsis perceive infrared tawg. Qee cov khoom siv niaj hnub nruab nrog lub koob yees duab yuav pab tau ntawm no. Nws tuaj yeem yog lub xov tooj ntawm tes, smartphone, ntsiav tshuaj, thiab lwm yam. Tig lub koob yees duab ntawm nws thiab taw tes rau ntawm qhov chaw taws teeb tswj LED. Tam sim no sim hloov cov channel thaum saib lub vijtsam ntawm lub cuab yeej. Nrog lub diode ua haujlwm, koj yuav pom cov teeb liab pom tseeb thaum koj nias cov chaw taws teeb tswj cov yuam sij. Tab sis yog tias tsis muaj cov tshuaj tiv thaiv, feem ntau yuav tsis yog lub teeb ci.
Kev puas tsuaj hauv lub cuab yeej
Kev puas tsuaj tuaj yeem zais ntawm koj ob lub qhov muag. Yog hais tias lub chaw taws teeb tswj los ntawm lub TV tau poob thiab tsis ua hauj lwm, tab sis ib yam dab tsi yog dai nyob rau hauv, nws muaj peev xwm tau txais ib tug kaw "kev raug mob", uas ua rau nws tsis taus. Raws li qhov tshwm sim ntawm lub caij nplooj zeeg, cov hlau yuav tawg, cov zis ntawm, piv txwv li, lub capacitor yuav poob, los yog txoj kev conductive yuav tawg. Ntawm no koj yuav tsum tau disassemble tag nrho cov cuab yeej.
Kho cov chaw taws teeb uas tau txais kev puas tsuaj rau lub rooj tsavxwm lossis nws cov ntsiab lus yog, tau kawg, zoo tshaj plaws rau cov kws tshaj lij, tab sis yog tias koj tau tuav cov hlau nplaum hauv koj txhais tes, koj tuaj yeem sim ua koj tus kheej.
Ua ntej, qhib lub cuab yeej. Koj muaj hmoo yog tias cov chaw taws teeb tswj vaj tsev nyob ntawm kojlub TV yog fastened nrog screws. Nyob rau hauv cov ntaub ntawv no, lawv yuav tsum tau unscrewed thiab qhov chaw ntawm lub ntaus ntawv disconnected. Yog hais tias rooj plaub yog fastened nrog latches sab hauv, koj yuav tau hws me ntsis.
Ib rab riam nrog lub ntsej muag nyias nyias yuav pab tshem tawm qhov chaw ntawm cov chaw taws teeb tswj. Nws yuav tsum tau muab tso rau hauv nruab nrab ntawm lub halves thiab, maj mam squeezing, disconnect lawv ntawm ib leeg, hla hauv ib lub voj voog. Thaum qhov no ua tiav, disassemble lub chaw taws teeb thiab ua tib zoo tshuaj xyuas lub rooj tsavxwm kom puas. Rau cov laj thawj no, siv lub iav tsom iav. Cov teeb meem me me yuav tsis pom ntawm qhov muag liab qab. Nws kuj yog qhov tsim nyog los muab teeb pom kev zoo rau thaj chaw uas qhov kev xeem yuav raug ua.
Kuaj pib ntawm cov lus xaus uas mus rau cov roj teeb. Tom ntej no, tshuaj xyuas tag nrho cov lem, thiab tom qab ntawd cov khoom siv hluav taws xob. Yog tias koj pom qhov qhib hauv hluav taws xob ntawm lub console, rov qab los ntawm kev kho lossis hloov qhov puas. Nyob rau hauv cov ntaub ntawv ntawm kev puas tsuaj rau lub microcircuits, nws yog zoo dua mus yuav ib tug tshiab tej thaj chaw deb tswj dua li sim kho nws. Yam tsawg kawg nws yuav pheej yig dua li no.
Thaum tus neeg khawm tsis ua haujlwm
Feem ntau yog vim li cas cov chaw taws teeb TV tsis ua haujlwm yog qhov xwm txheej ntawm cov keyboard roj hmab. Qhov qis ntawm cov nyees khawm yog them nrog ib txheej conductive graphite, uas, qhov tseeb, kaw cov neeg nyob rau hauv lub rooj tsavxwm. Nws tshwm sim tias txheej txheej no hnav los ntawm kev siv tas li, thiab nws kuj tshwm sim tias cov plua plav, noo noo, thiab cov khoom txawv teb chaws tau txais ntawm nws thiab cov neeg sib cuag.
Hnav feem ntau poob ntawm cov yuam sij peb siv tshaj plaws:
- on-off;
- hloov channel;
- nce-txo ntim.
tsis nkag siab oily kua
Thaum koj pom tias TV chaw taws teeb tswj tsis ua haujlwm thiab sib cais, koj tuaj yeem pom cov kua roj tsis muaj xim nyob hauv qab ntawm cov keyboard. Tsis txhob maj mus liam koj cov txheeb ze rau qhov tseeb tias ib qho ntawm lawv tau nchuav roj sunflower lossis tshuaj yej qab zib rau ntawm lub cuab yeej. Cov kua no tsis muaj dab tsi ntau tshaj li cov roj secreted los ntawm cov pores ntawm cov ntiv tes. Thaum lub sijhawm ua haujlwm ntawm cov chaw taws teeb tswj, nws nyob ntawm cov nyees khawm, vim qhov kev sib cuag ntawm lawv thiab cov ntaub qhwv tau ploj.
Qhov teeb meem no daws tau yooj yim heev. Nws yog txaus rau disassemble lub chaw taws teeb tswj, so lub rooj tsavxwm thiab hauv qab ntawm cov keyboard nrog cawv, thiab lub cuab yeej yuav ua hauj lwm zoo li tshiab. Ua ntej pib ua haujlwm tom qab cov txheej txheem zoo li no, tsis txhob hnov qab ziab cov ntsiab lus wiped.
Nws puas tuaj yeem rov qab kho cov graphite hnav?
Kuv yuav ua li cas yog tias cov txheej txheem graphite nyob hauv qab ntawm cov chaw taws teeb tswj cov keyboard raug hnav? Nws tuaj yeem rov qab tau. Kev kho cov vaj huam sib luag nrog cov txheej txheem puas tsuaj cuam tshuam nrog kev tshem tawm thiab tsim ib qho tshiab hauv nws qhov chaw. Tab sis nws yog dab tsi?
Muaj ob txoj kev xaiv ntawm no. Thawj yog yuav khoom tshwj xeeb rau kev kho cov chaw taws teeb hauv lub khw muag khoom hauv xov tooj cua. Xws li ib txheej muaj xws li ib lub raj ntawm silicone kua nplaum thiab ob peb lub kaum os roj hmab thaj ua rau thaj (overlays on the low parts of the buttons) coated with the same graphite. Koj yuav tsum tau disassemble lub chaw taws teeb tswj, ua tib zoo txiavpads qub, thiab lo cov tshiab nyob rau hauv lawv qhov chaw. Qhov kev kho no tso cai rau koj rov qab kho lub cuab yeej tau ntev.
Qhov kev xaiv thib ob tsis hais txog tus nqi txhua. Siv cov ntawv ci qhob noom xim kasfes zoo tib yam, txiav tawm qhov yuav tsum tau muaj ntawm cov overlays los ntawm nws, hwm qhov loj me, thiab lo rau lawv nyob rau thaj tsam hnav. Tau kawg, qhov kev kho pob nyiaj siv no yuav tsis ua kom muaj kev ua haujlwm zoo ntawm cov chaw taws teeb tswj tau ntau xyoo, tab sis ntseeg kuv, nws tseem yuav ua haujlwm.
Yuav ua li cas pab
Koj yuav tsum tau pom cov chaw taws teeb tswj tau qhwv hauv hnab yas. Txoj kev no, undoubtedly, yog invented los ntawm peb compatriots nyob rau hauv thiaj li yuav tiv thaiv cov chaw taws teeb tswj los ntawm tej yam tshwm sim ntawm careless tuav. Yog lawm, zaj duab xis tuaj yeem tiv thaiv lub cuab yeej los ntawm ya raws thiab plua plav. Tab sis dhau sij hawm, nws poob nws cov khoom tiv thaiv vim yog kev siv tib yam. Nws yog nyob ntawm koj txiav txim siab seb puas yuav tig lub chaw taws teeb tswj mus rau hauv qhov khoom tsis nkag siab thiab lom zem.
Yuav ua li cas txuas lub neej ntawm koj lub TV chaw taws teeb tswj
Txhawm rau kom koj lub TV chaw taws teeb tswj ua haujlwm ntev li ntev tau, ua raws cov lus qhia no:
- Yuav ua tib zoo ua kom nws tsis txhob poob rau hauv pem teb.
- Tsis txhob muab lub chaw taws teeb tswj rau menyuam yaus thiab kom nws deb ntawm "kev cuam tshuam" los ntawm cov tsiaj.
- Saib cov xwm txheej ntawm LED.
- Tsis txhob hnov qab hloov roj teeb raws sijhawm.
- Tsis txhob siv cov chaw taws teeb thaum koj txhais tes qias neeg lossis thaum noj mov.
