Yuav Kho Li Cas Lub TV Uas Yuav Tsis Qhib: 23 Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27

Niaj hnub nimno lub vijtsam TV tiaj tus muaj teeb meem paub nrog cov capacitors mus tsis zoo. Yog tias koj lub LCD lossis LED TV tsis qhib, lossis ua suab nrov dua, muaj lub sijhawm zoo uas koj tuaj yeem txuag tau ntau pua daus las los ua qhov kho yooj yim no rau koj tus kheej.

Kuv paub, kuv paub. Koj tab tom xav, "Tinker sab hauv kuv lub LCD HDTV. Koj puas vwm?" Tsis yog, kuv tsis vwm. Qhov no yog kev kho yuav luag txhua tus tuaj yeem ua tau thiab qhov kev kho no yuav ua haujlwm rau txhua lub TV.

Kauj ruam 1:

Koj zaum thiab tau txais kev xis nyob, npaj saib koj nyiam TV yeeb yaj kiab lossis yeeb yaj kiab. Koj qhib koj lub TV thiab … tsis muaj dab tsi! Tsis paub tseeb yog tias koj tsoo lub hwj huam khawm, koj sim dua… dua, tsis muaj dab tsi! Tab sis koj tau hnov lub suab nyem los ntawm koj lub TV.

"Dab tsi heck? Tsis yog … Huag crap!"

HDTV tsis yog pheej yig. Peb txhua tus yuav tsum txuag, lossis tsawg kawg yog npaj los siv $ 800- $ 1000 ntawm qhov tshiab. Heck, Kuv paub tseeb tias ntau ntawm koj tsis nyiam lub tswv yim ntawm kev siv ob peb puas ntawm kev kho vaj tsev.

Kuv muaj xov xwm zoo Qhov kev kho no yog qhov yooj yim heev, thiab tsuas yog qee qhov cuab yeej yooj yim thiab kwv yees li 20 daus las, koj tuaj yeem ua rau koj lub TV ua haujlwm tsawg dua li ib teev.

Kev kho ib theem zuj zus hauv qab no tau ua tiav ntawm kuv Samsung LN46A550 46 LCD HDTV, tab sis qhov no yog kho tau yooj yim ntawm txhua lub TV.

Xov xwm phem Yog tias koj lub TV raug lub cev puas tsuaj nyob rau hauv txhua txoj kev, tau poob qis, muaj lub vijtsam tawg lossis ntub dej ces qhov kev kho no tsis yog rau koj. Tab sis yog tias koj lub TV tau ua haujlwm ib hnub tab sis tsis yog tom ntej, nyeem ntxiv.

Kauj Ruam 2: Cov Cuab Yeej Xav Tau

Koj yuav xav tau 5 yam yooj yim hauv qab no rau kev kho qhov no:

• Soldering Hlau & Solder
• Phillips Ntsia Hlau
• Pliers
• Hlau Cutters
• Hloov Capacitors los ntawm Amazon

Yog tias koj xav tau cov hlau txuas, uas tsis muaj teeb meem. Lawv pheej yig thiab siv tau yooj yim. Kuv pom zoo qhov no 60 Watts Soldering Iron Kit. Nws tsawg dua 20 bucks. Yog tias koj tab tom nrhiav tus nqi qis tshaj tuaj yeem ua tau, qhov 60W cov hlau txuas nrog sawv ntsug yog kwv yees li $ 8 (xa tawm thawj) thiab yuav ua haujlwm zoo.

Kauj Ruam 3: Cov Cuab Yeej Xaiv Tau

Cov cuab yeej no tsis xav tau, tab sis lawv tuaj yeem ua cov txheej txheem yooj yim dua.

• Sib nqus, ntsuas qhov ntsuas, hloov tau cov ntsia hlau (los pab tshem tawm txhua lub hau ntswj)
• Cordless Screwdriver (los pab tshem tawm txhua lub hau ntswj)
• Desoldering wick (absorbs melted solder)
• Solder sucker (tshem tawm cov yaj yaj)
• Flux Cwj mem (flux ntawm lub tshuab ua kom nws ntws thiab tsawg dua "nplaum")
• Multi-Meter (kuaj rau Caps tsis zoo, pab tau yog tias tsis muaj qhov pom kev pom)

Kauj Ruam 4: Tshem Tawm Stand thiab Wall Mount

Tom qab tshem txhua yam hauv TV, koj yuav tsum tshem lub rooj muag zaub. Yog tias koj lub TV tau teeb tsa phab ntsa koj yuav tsum tau tshem lub TV los ntawm phab ntsa, thiab tshem cov kab teeb los ntawm sab nraum qab ntawm TV.

Cov xub liab: Tshem cov ntsia hlau no kom tshem sawv ntawm TV.

Cov xub xiav: Tshem tawm 4 cov ntsia hlau no kom tshem tawm phab ntsa (tsis pom) ntawm koj lub TV.

Lub TV tso rau saum thiab sab hauv sawv ntsug, yog li nws yuav tsis cia li tig thaum koj tshem cov ntsia hlau sawv, tab sis nws ib txwm muaj kev nyab xeeb kom muaj phooj ywg tuav lub TV ncaj ncaj thaum koj tshem cov ntsia hlau los ntawm sawv ntsug. Tom qab ntawd txhua tus ntawm koj rub ib sab thiab ua tib zoo nteg nws ntawm cov ntaub pua plag.

Kauj ruam 5: Ceeb toom

Thaum tuav koj lub TV ib txwm khaws nws ncaj ncaj (zoo li koj saib nws) lossis tso ncaj. Ib qho quab yuam thov ntawm cov ces kaum sib txawv tuaj yeem ua rau lub iav tawg tsis zoo.

Kauj Ruam 6: Tshem Tawm Txhua Cov Ntsia Hlau uas Txuas Rov Qab Casing ntawm TV

Saum toj no yog daim duab ntawm sab nraub qaum ntawm TV raug. Daim duab sab laug yog kuv LG 42LN5300 thiab daim duab sab xis yog kuv Samsung LN46A550, tab sis txhua lub TV zoo ib yam. Tshem tag nrho cov ntsia hlau raws ntug sab nrauv ntawm lub nraub qaum. Muaj peev xwm nyob qhov twg los ntawm 10 - 16 ntawm cov ntsia hlau no.

Tseem yuav muaj cov ntsia hlau nyob hauv ib cheeb tsam twg uas yog lub zog lossis cov hlua txuas. Koj tuaj yeem pom cov no hauv nruab nrab qis ntawm cov duab. (tau hais tseg nrog lub duab plaub liab ntawm kuv Samsung)

Kauj Ruam 7: Tsis txhob hnov qab Nyeem Qhov Nyuaj Kom Nyuaj

Feem ntau hauv thaj chaw uas koj ntsaws cov hlua ntsia hlau lossis ob qho tuaj yeem pom. tshem cov no ib yam.

Kauj Ruam 8: TV Nrog Rov Qab Casing Tshem Tawm

Nrog rau sab nraub qaum ntawm koj lub TV tshem tawm cov duab ntawm koj lub TV. Qhov no yuav pab thaum rov muab sib dhos.

Tom qab ntawd txheeb xyuas "pawg tswj hwm lub zog". Txhua lub TV sib txawv me ntsis, tab sis pawg thawj coj saib xyuas lub zog yuav muaj peev xwm ua tau lub peev xwm thiab yog pawg thawj coj uas lub zog loj los ntawm lub ntsaws mus rau thawj. Ntawm Samsung TV no kuv tso lub duab plaub ntsuab nyob ib puag ncig ntawm lub rooj tsav xwm uas peb yuav ua haujlwm.

Nco tseg:

Lwm qhov "ntsuab" pawg thawj coj yog "pawg thawj coj saib xyuas", qhov no yog lub khoos phis tawj uas siv TV. Kev kho ntawm lub rooj tsavxwm yog tshaj li qhov tau hais tseg hauv kab lus no. (Tab sis feem ntau yuav tsis muaj teeb meem)

Kauj Ruam 9: Tshem Cov Hluav Taws Xob Hluav Taws Xob los ntawm Circuit Board

Tshem tag nrho cov hlua txuas los ntawm lub rooj tsav tsheb. Ib qho yooj yim rub ntawm tus txuas txuas (tsis yog qhov thaiv) yuav tsum txaus kom tshem tawm lawv. Ntawm qhov tshwj xeeb Samsung board no muaj 7 txoj hlua sib txawv.

Kauj Ruam 10: Tshem Tawm Cov Ntsia Hlau Tuav Hauv Circuit Board

Tshem cov ntsia hlau uas tuav lub hwj chim rau TV chassis. Cov laug cam feem ntau yuav muaj 6 tus tuav tuav lawv, ib yam li qhia hauv daim duab. Tab sis saib nws nyob ntawd tuaj yeem muaj ntau lossis tsawg dua.

Tswv yim:

Nov yog lub rooj tswj hwm lub hwj chim thiab tsis tshwj xeeb tshwj xeeb, tab sis nws ib txwm yog tus cwj pwm zoo los tswj cov laug cam no kom zoo thiab los ntawm cov ntug

Kauj Ruam 11: Txheeb Xyuas Cov Capacitors Tsis Zoo

Qhov kho TV no tsom mus rau qhov me me "tuaj yeem ua" Aluminium ElectrolyticCapacitors. Cov capacitors no tuaj ntau xim thiab ntau thiab tsawg tab sis yooj yim mus nrhiav ntawm txhua lub rooj tsavxwm. Tsis tsuas yog cov no feem ntau yuav ua rau koj muaj teeb meem, tab sis qhov phem yog qhov yooj yim nrhiav thiab yooj yim los hloov. Feem ntau koj yuav tuaj yeem pom qhov pom qhov tsis zoo capacitors. Koj tsis tas yuav muaj txuj ci tshwj xeeb hauv kev siv hluav taws xob lossis kev sim.

Kauj Ruam 12: Pom Tsis Tau #1 - Bulging Vents

Thaum lub Capacitor tsis ua, cov tshuaj tiv thaiv sab hauv lub tshuab hluav taws xob tuaj yeem tsim cov pa roj carbon, yog li lub tshuab hluav taws xob muaj lub qhov cua txiav mus rau saum lawv cov kaus poom txhuas. Cov no yog npaj txhawm rau txhawm thiab tso cov pa roj uas tau tsim tawm sab hauv lub capacitor. Yog li, lub tshuab hluav taws xob uas tau ua tsis tiav tuaj yeem pom qhov thaws rau saum.

Kauj Ruam 13: Pom Tsis Tau #2 - Los

Lwm qhov cim ntawm qhov ua tsis tau zoo yog cov dej ntws tawm (electrolyte). Qhov no tuaj yeem yog txiv kab ntxwv lossis xim av tawm ntawm ob sab saum toj lossis hauv qab ntawm lub capacitor. Feem ntau, nrog xau lub capacitor tseem yuav thab plaub. Tab sis lub capacitor tuaj yeem thaws tab sis tsis xau.

Capacitors tsis ib txwm pom pom qhov ua tsis tiav. Tab sis, yog tias koj pom ib qho ntawm 2 lub cim qhia saum toj no ntawm koj lub rooj tsavxwm, koj tuaj yeem ntseeg siab tias koj nyob ze rau kho koj lub TV. Yog tias koj tsis pom cov cim ntawm kev ua tsis tiav, tab sis koj lub TV muaj lub suab-hais lus nyem, koj tseem tuaj yeem ua tau ncaj ncees qee cov kauj ruam hauv qab no yuav kho koj lub TV.

Kauj Ruam 14: Nrhiav Cov Capacitors Tsis Zoo ntawm Koj Lub Rooj Tswjhwm Saib

Ntawm lub rooj tsav xwm hluav taws xob daim duab saum toj no, Kuv tau qhia tias lub tshuab hluav taws xob twg koj yuav tsum tau tshuaj xyuas rau qhov ua tsis tiav. Cov Capacitors no yog Aluminium Electrolytic Capacitors, thiab feem ntau yuav ua rau koj muaj teeb meem. Cov capacitors nrog cov xub ntsuab yog qhov feem ntau yuav sib tw rau qhov tsis zoo, tab sis xub xub xiav yog lwm tus capacitors los tshuaj xyuas.

Tsis txhob txhawj xeeb yog tias koj pawg thawj coj saib txawv me ntsis. Cias tshuaj xyuas tag nrho cov capacitors thiab feem ntau yog qhov ua tsis yog (s) sawv tawm.

Lus Ceeb Toom: Tsis txhob thab nrog cov capacitors loj (2 lossis 3 yuav nyob ntawm txhua lub rooj tsavxwm). Cov no yog cov hluav taws xob siab, tsis tshua muaj kev poob thiab rau kev nyab xeeb xav tau kev paub me ntsis ntxiv los ua haujlwm

Koj lub rooj zaum tej zaum yuav zoo li txawv, uas tsis yog, tsuas yog tshuaj xyuas ib qho thiab txhua lub capacitors ntawm koj lub rooj tsavxwm uas zoo ib yam li cov uas tau hais los saud.

Nco tseg:

Cov duab saum toj no yog qhov ze ntawm kuv lub TV lub rooj tsavxwm. Daim ntawv ceeb toom yuav ua li cas cov capacitors xiav nyob rau tom hauv ntej tau thab plaub. Cov no yog cov capacitors kuv yuav hloov. Tag nrho lwm cov capacitors saib OK. Yog tias koj tuaj yeem pom qhov hloov pauv rau tag nrho 4 ntawm cov khoom siv hluav taws xob no, thiab lwm yam uas qhia pom qhov pom ntawm qhov tsis zoo, Kuv pom zoo hloov lawv txhua tus thaum koj nyob ntawm no.

Kauj Ruam 15: Tshem Tawm Cov Capacitors

Capacitors muaj polarity. Qhov no txhais li cas yog, zoo li roj teeb, lawv muaj qhov zoo (+) thiab tsis zoo (-) sab. Ua ntej tshem ib lub capacitor, nco ntsoov sab twg lub kab txaij dawb ntawm lub capacitor tau ntsib. Koj yuav tsum tau muab tso rau hauv lub capacitor tshiab hauv tib txoj kev. Tej zaum koj tau sau tseg ntawm kuv cov duab uas kuv tau sau tseg rau ntawm lub dab cua sov txhuas nrog tus cwj mem.

Kauj Ruam 16: Cia Hlau Ua Haujlwm. Yog tias lub Capacitor Tsis Yooj Yim Yooj Yim Tawm, Tsis txhob yuam Nws

Tam sim no koj tau txheeb xyuas cov capacitors uas zoo li tsis zoo, tig lub rooj tsavxwm thiab ua tib zoo txheeb xyuas qhov tseeb ntawm cov ntsiab lus ntawm lub rooj tsavxwm yog xaim ua los ntawm cov capacitors no.

Vajvoog lawv nrog tus cwj mem "ntse" kom taug qab. Lob koj tus phooj ywg thiab kom lawv pab koj ntawm cov kauj ruam tom ntej no. Ua kom sib npaug ntawm lub rooj tsav xwm ntawm nws sab thaum siv lub tshuab ua kom sov thiab cov pliers tuaj yeem ua rau me ntsis.

Plug rau hauv cov hlau txuas thiab muab nws 10 feeb kom kub.

Nrog rau lub rooj tsav xwm hauv Circuit Court ntawm nws ntug, kom koj tus phooj ywg tuav ib qho ntawm lub capacitors nrog tus pliers thiab siv lub zog rub siab heev. Thov siv qhov taub ntawm cov hlau txuas rau ib qho txhuas nyob rau sab nraum qab ntawm lub rooj tsavxwm thiab tuav nws nyob ntawd kom txog thaum koj pom cov laug yaj. Tam sim no hloov mus rau lwm cov hlau lead kom txog thaum nws yaj. Rov qab mus thiab tawm ntawm cov thawj coj. Txhua zaus lub lauj kaub yuav yaj sai dua. Tom qab rov qab los thiab tawm mus ob peb zaug lub capacitor yuav tawm tau yooj yim.

Rov ua dua rau txhua lub capacitor uas koj tab tom hloov

Kauj Ruam 17: Sijhawm Mus Khw

Cov Capacitors tau ntsuas rau lawv daim ntawv thov thiab koj yuav tsum hloov qhov zoo ib yam. Muaj 3 qhov kev ntsuas los txheeb xyuas:

• uF (micro farads)
• Kub
• Voltage

uF (micro farads)

Qhov zoo tshaj koj yuav tsum sib phim uF thiab ntsuas kub raws nraim. Tab sis nws yog qhov siv tau los siv lub ntsuas hluav taws xob ntsuas siab dua uF yog tias nws nyob hauv 20% ntawm qhov qub.

Kub

Sim ua kom haum qhov ntsuas kub, koj tuaj yeem mus siab dua, tab sis tsis qis dua.

Voltage

Sib phim yog Ua Tau. Koj tuaj yeem siv tus nqi loj dua yog xav tau. Tsis qis dua.

Feem ntau koj tuaj yeem pom cov hloov pauv hloov pauv ntawm koj lub khw hluav taws xob hauv cheeb tsam. Tab sis nws yuav yooj yim dua los yuav cov khoom hloov pauv los ntawm Amazon.com.

Rau kuv kho kuv xav tau;

1000uf 10v Capacitor 105c High Temp, Radial Leads

820uf 25v Capacitor 105c High Temp, Radial Leads.

Kauj Ruam 18: Nruab Tshiab Capacitor

Ntxig lub capacitor, ua kom ntseeg tau tso qhov tsis zoo rau qhov chaw raug.

(Saib koj cov ntawv thiab cov duab kom ntseeg tau tias koj raug)

Yog tias muaj qhov sib zog hnyav hauv lub qhov, tsuas yog siv cov hlau txuas kom txog thaum cov kua yaj yaj thiab plam lub capacitor ua rau.

Kauj Ruam 19: Khoov Rov Qab Los Ua Tus tuav lub Capacitor hauv qhov chaw

Kauj Ruam 20: Ua tib zoo Clip Cov Thawj Coj kom tsuas yog li ntawm 1/8 "Yog Tshaj Tawm

Kauj Ruam 21: Cov Thawj Coj

Muab koj cov hlau txuas thiab cov laug tso rau ntawm cov hlau lead kom txog thaum lub cua sov yaj cov laug. Thaum cov kua nplaum yaj rau ntawm cov hlau lead, siv cov hlau rau ntawm cov hlau lead thiab muab ob peb zaug los yaj cov tshuaj txhuam kom huv ntawm cov hlau lead. Yog tias koj muaj cov kab laug sab laug, cov laug yuav ua kom huv huv.

Kauj ruam 22: Tiav lawm

Capacitors ntsia! Yog tias muaj cov dej ntws los yog cov seem uas seem, tsuas yog ntxuav thaj tsam nrog daim ntaub ntub.

Kauj Ruam 23: Rov Qab Txheej Txheem

1. Txuas lub rooj tsav xwm hluav taws xob nrog rau rau tus ntsia hlau.
2. Rov txuas dua txhua xya txoj hlua txuas.
3. Hloov lub nraub qaum.
4. Qhib TV thiab zoo siab tias koj txuag koj tus kheej ib tuj ntawm cov nyiaj.