Tsis txhob tig mus rau ntawm TV: ua thiab kho

Zoo li tej lwm yam khoom, televisions yuav tsis mam li nco dheev tsis. Txawm li cas los, cov failures tshwm sim hais txog ntawm lub sij yawm ntawm lub lag luam ntawm tus dais. Piv txwv li, tej zaum nws yog tsis muaj TV. Thaum sim tig nws rov qab rau ntau yam kev qhia blink, thiab nias Relay. Tej zaum yuav muaj lwm yam "tsos mob". Cia saib yog vim li cas TVs yog tsis kam mus ua hauj lwm thiab yuav ua li cas nyob rau hauv xws li ib tug teeb meem no.

Common ua kev txhaum

Qhov teeb meem no yuav tshwm sim tau rau ntau yam yog vim li cas. Nws tshwm sim hais tias lub LEDs tsuas ntsais muag lawm raws li ib txwm, tab sis lub TV tseem tsis xav khiav. Tsis tas li ntawd, lub ntsuas no yog qhov liab, tab sis tus ntaus ntawv yuav tsis yuav yog ib tug tej thaj chaw deb tswj thiab yog tsis muaj. Feem ntau nws tsis tig lub TV raws li ib tug tej thaj chaw deb tswj, thiab ib lub pob. Lub cev lub ntsiab ntawm qhov ntsuas tsis illuminated. Lwm cov tsos mob - ib yam dab tsi clicks, buzzes hauv lub vaj tse. Tus ntaus ntawv ua ib tug ntau yam ntawm tej zaum kuj heev coj txawv txawv suab, tab sis tseem tsis tig rau.

LEDs flash

Yog hais tias lawv nyob rau ntawm lub cev flash, tus ntaus ntawv nws tus kheej-kev tshawb nrhiav thiab nrhiav tau sai sai tawm qhov ua rau ntawm qhov teeb meem. Feem ntau nyob rau txawv qauv yuav pom tias lub teeb los yog LED Flashes ib tug xov tooj ntawm lub sij hawm. Yog li ntawd, nws thiaj qhia txog cov kev ua yuam kev. Ib feem ntawm cov code rau lawv muaj peev xwm yuav nrhiav tau nyob rau hauv cov kev qhia ntawv los ntawm txhais tes. Cov TV manufacturers xws li "Sony", "Philips", "Panasonic" thiab lwm yam muaj ib tug self-mob muaj nuj nqi. Lub hauv paus ua chav tsev ntawm lub log cov ntaub ntawv tau txais ntaub ntawv los ntawm lub ntsiab kiag li lawm thiab blocks. Yog hais tias koj nrhiav tau ib tug faulty ntawm, cov CPU yuav xauv tawm lub kaw. Yog li ntawd, yog tias koj tsis tig mus rau ntawm TV "Philips", tab sis qhov taw qhia yog flashing, koj yuav tsum nyeem cov kev ua yuam kev thiab decipher nws. Ces koj yuav tau sim kom txhim kho tau qhov teeb meem. Tsis tas li ntawd zoo li tus mob tshwm sim thaum lub TV-vaj huam sib luag zog raws li ib tug computer saib. Yog hais tias lub PC yog tshuav nyob rau hauv hom pw tsaug zog los yog muab tua, ces thaum koj nias lub hwj huam khawm nyob rau tej thaj chaw deb LCD vaj huam sib luag LED yuav tsuas ntsais muag lawm ob peb lub sij hawm.

LEDs yeej ib txwm

Lub teeb emitting diode qhia cov neeg siv uas tus ntaus ntawv fais fab mov unit nquag tau txais mov voltage. Yuav ua li cas yog tias koj tsis tig mus rau ntawm TV thiab tsis hnov mob rau Pib ntsais koj teeb ntawm tej thaj chaw deb tswj? Thawj - sim muaj xws li nws nrog cov nyees khawm ntawm lub TV. Tej zaum qhov teeb meem yog tshwm sim los ntawm tsis yog lag luam los ntawm cov chaw taws teeb tswj los yog ib co kev ua yuam kev nrog nws. Tab sis yeej tsis nyob ntawm no mus blame nws tus kheej TV. Yog hais tias koj tsis tig mus rau ntawm TV LG thiab kev xws tsos mob, ces tag nrho cov tshaj plaws nyob rau hauv ib tug tej hub kuj 4.7 ohms. Nws yog nyob ze ntawm lub CPU - yog lawm. Hloov resistor yuav pab restore lub ntaus ntawv. Koj muaj peev xwm coj ntau yam yeeb yam. Ua ntej ntawm tag nrho cov xyuas seb lub roj teeb yog OK nyob rau hauv tej thaj chaw deb tswj thiab seb hu yog oxidized. Tom ntej no check infrared radiator thiab txoj kev ntseeg. Ces thiaj paub hais tias khawm. Lawv yuav ua tau nplaum, vim hais tias ntawm yog dab tsi lub vaj huam sib luag thiab tsis teb rau cov lus txib. Yog hais tias lub TV "Samsung" yog tsis muaj, tab sis lub teeb tawm, ces qhov ua rau yuav tsum tau nrhiav nyob rau hauv hluav taws xob Cheebtsam. Ib yam dab tsi txhais ib tug kev hloov nyob rau hauv lub thaj chaw ntawm capacitors, li ntawd, lub hwj huam mov yuav tsis muab cov qub start-up ntaus ntawv. Lub tsuas caveat - lub ntsiab txhais ntawm lub txhaum localization yuav siv ib co sij hawm. Tsis tas li ntawd, kws txawj pom zoo kom lauj cov kev tswj vaj huam sib luag thiab ntxuav nws los ntawm lub sab hauv. Lawv feem ntau ntxiv hmoov av. Qhov no yog tsis zoo tshaj plaws txoj kev muaj feem xyuam rau lub lag luam ntawm tus dais. Yog hais tias cov chaw taws teeb tau sau kas fes, npias los yog lwm yam kua, thiab muaj peev xwm ua hauj lwm, ces yooj yim mus yuav tau ib lub tshiab. Yog hais tias koj nias nyees khawm ntawm lub LCD TV tswj vaj huam sib luag tsis tig rau, ces muaj yog tsuas yog ob tug xaiv, yog vim li cas nws tshwm sim.

kev tiv thaiv

Qhov no yog ib tug ntawm cov tau ua. TV Nyob rau hauv cov ntaub ntawv no tej zaum nws yuav ua rau me nyuam no yuav pib, tab sis nyob rau hauv ib ob peb lub vib nas this, qhov kev tshuaj ntsuam mus dawb paug los yog kiag li tsis txhob teb rau tag nrho cov me nyuam no yuav khiav. Lub ntsiab thiab feem ntau nrov ua ntawm qhov teeb meem no - ib tug tsis ua hauj lwm nyob rau hauv lub mov ntawm hluav taws xob hauv koj lub tsev network. Lub hwj chim mov system nyob rau hauv niaj hnub TVs hlub ruaj khov thiab zoo mov. Qhov zoo tshaj txoj kev uas yuav pab daws tau qhov teeb meem no - nws yog kiag li de-energize tus ntaus ntawv. Qhov no yuav ua tau los rub lub plug tawm ntawm lub nplos. Tom qab ib tug ob peb lub sij hawm kom zoo. Yog hais tias muaj yog pheej muaj teeb meem nrog kev nyuaj siab, ces qhov zoo tshaj plaws tshuaj - yog lub xam nrog ntawm TV ntawm stabilizers, uninterruptible zog mov, los yog txawm los ntawm standard hwj chim ib daim hlab. Tab sis zoo tshaj plaws ntawm tag nrho cov, hais tias koj xav kom tsis txhob muaj cov teeb meem no, tig tua lub vaj huam sib luag thaum tawm hauv lub tsev. Ces koj yuav tsis tau wondering "yog vim li cas tsis tig mus rau ntawm TV."

Tej kev yuam kev nyob rau hauv lub processor

Niaj hnub nimno pav ca-vaj huam sib luag nruab nrog ib tug lossis loj npaum li cas tswj electronics. Schematically, lawv yog me me PCs nrog ib tug nyias muaj nyias ib CPU uas tswj tag nrho cov tseem ceeb CPUs. Piv txwv li, yog hais tias peb xav txog qhov schematic daim duab ntawm LED-TV, nws yog pom hais tias cov kev tswj voltage mus rau lub LED-diode yog noj los ntawm cov kev sib cuag Sawv-by thiab cov transistor. Yog hais tias muaj yog ib tug ua txhaum, ces tus TV yuav tsis tig rau. Ces tsis txhob ua li cas tsis recourse mus rau kws txawj nyob rau hauv lub Service Center. Ntawm cov hoob kawm, yog tias koj muaj cov kev txawj ntse thiab tus tsim nyog kev txawj ntse, koj yuav tau sim kom txhim kho tau qhov teeb meem koj tus kheej. Txawm li cas los, qhov teeb meem yog hais tias nyob rau hauv cov pej xeem sau muaj tsis muaj hluav taws xob Circuit Court televisions. Thiab txhim kho lub vaj huam sib luag yog ib qhov nyuaj heev yog tsis muaj lawv.

TV yog tsis switched, teeb tawm

Cov tsos mob ncaj qha los yog kov txog rau lub tsis muaj hluav taws xob. Yog hais tias ib lub teeb kub tawm, ces tus ntaus ntawv yuav ua li qub (tsis muaj hais). Yog hais tias qhov no tshwm sim, ces tsis txhob ntshai. Ua ntej, koj yuav tsum tshem tawm tag nrho cov tau cov teeb meem uas yog kho nws tus kheej. Tab sis muaj tej yam teeb meem thiab tham. Piv txwv li, tsis txhob tig rau lub TV lub LG, thiab cov teeb meem lus dag nyob rau hauv lub breakage ntawm ib tug resistor-fuse. Los ntawm cov kev resistors rau hauv Circuit Court tau txais cov voltage ntawm +12 V. Tom qab hloov caij TV ua hauj lwm nyob rau hauv tej hom.

Muaj yog tsis muaj hwj chim nyob rau ntawm lub qhov hluav taws xob

Tej zaum ntsiag to muab tua rau hauv Circuit Court tej fais fab nyob rau hauv switchboards. Tej kev yuam kev tshwm sim nyob rau hauv lub heev qhov hluav taws xob. Nws thiaj paub tias yog los ntawm qhov taw qhia los yog multimeter. Yog hais tias muaj yog tsis muaj hwj chim, saib lub tshuab. Yog hais tias tsis ua hauj lwm, hloov cov qhov hluav taws xob.

faulty extension qaum

Qhov no yog ib qho yog vim li cas yog vim li cas tsis tig mus rau ntawm TV. Kos yuav ua tau yooj yim - yog hais tias lub tsev los ntawm cov phab ntsa qhov hluav taws xob ua hauj lwm, thiab ib qho extension qaum tsis xav khiav, ces cov teeb meem no kom meej meej nyob rau hauv lub.

Invalid hom xaiv

Nws feem ntau tshwm sim hais tias ib tug neeg ntawd los yog txhob txwm xaiv tej hom kev zov me nyuam. Nyob rau hauv rooj plaub no tus TV yog tawm thiab tsis hloov rau los yog mus rau hauv hom pw tsaug zog. Nyob rau hauv cov ntaub ntawv no, nws yuav pib dua mus rau lub Hoobkas neej ntawd hais nqis.

Malfunction ntawm hluav taws xob Cheebtsam

Raws li hais saum toj no, Yog hais tias koj tsis tig mus rau ntawm TV Philips, qhov no yog vim los ntawm lub neej puas rau hauv Cheebtsam. Piv txwv li, rau ib txhia yog vim li cas peb hlawv resistors los yog capacitors. Tam sim no qhov teeb meem - fuses. Diagnostics thiab kho ntawm cov faults yog zoo tshaj plaws sab laug mus rau cov tub txawg. Self kho yuav ua tau heev kim. Yog hais tias koj tsis tig rau "Philips" TV, qhov no yog vim muaj ib tug tawg capacitor nyob rau hauv lub hwj huam mov. Raws li ib tug tshwm sim, lub Circuit Court 13 yog noj nyob rau hauv cov 18.5 xwb. Nws yog feem ntau qhov ua rau tsis ua hauj lwm. Tsis muaj cov kev tsim nyog kev txawj ntse los qhia qhov teeb meem koj tus kheej yog heev yooj yim - qhov no yog qhov chaw ua hauj lwm ntawm cov kev pab engineers.

xaus

Yog hais tias lub TV "Samsung" tsis tig rau (thiab qhov no siv rau tag nrho cov hom), nws tsis txhais hais tias nws yog tawg mus ib txhis. Nws yuav revived nrog kev pab los ntawm tej yam yooj yim txoj kev. Tab sis, yog hais tias qhov teeb meem yog nyob rau hauv lub capacitor los yog resistor, nws tsis yog tsim nyog los lees paub kho tsis tau cov zoo kev.