Kev kho cov cuab yeej hauv TV yog qhov nyuaj heev, yog li feem ntau nws tau muab rau cov kws tshaj lij. Txawm li cas los xij, feem ntau, koj tuaj yeem kho kho lub TV tsis zoo. Ua li no, koj yuav tsum muaj peev xwm ua haujlwm nrog ntsuas cov ntsuas thiab hlau soldering, paub cov hauv paus ntsiab lus ntawm kev daws teeb meem.
Nws yog qhov tsim nyog
- - hla cov ntsia hlau ntsia hlau;
- - tester (multimeter);
- - soldering hlau thiab cam;
Cov Lus Qhia
Kauj ruam 1
Koj tig rau lub TV, tab sis nws tsis teb rau hauv txhua txoj kev rau koj kev ntxias. Lub zog taw qhia lub teeb tsis pom kev, tus txais xov tooj cua tsis qhia cov cim ntawm lub neej. Hauv qhov xwm txheej no, ua ntej tshaj tawm tias TV tau txais lub zog. Ntsuas ntsuas qhov ntsuas ntawm qhov hluav taws xob nrog lub ntsuas hluav taws xob. Yog tias muaj, txheeb xyuas lub hwj chim txuas rau lub hwj huam sib txuas thiab lub hwj huam khawm - rau qhov no koj yuav tsum tshem lub hau qaum ntawm TV.
Kauj ruam 2
Yog tias voltage muab rau lub zog, xyuas cov hluav taws xob tawm tawm, lawv yuav tsum sib haum rau cov tau qhia hauv daim duab Circuit Court. Txij li qhov Circuit Court feem ntau tsis suav nrog TV teeb, nrhiav nws hauv Is Taws Nem los ntawm kev nkag mus rau lub npe tseeb ntawm koj tus txais TV.
Kauj ruam 3
Tom qab hle lub npog ntawm TV, nqa tawm lub tsom iav pom. Saib rau qhov chaw hlawv lossis tsaus ntuj, tshawb xyuas sab nraum qab ntawm cov ntawv luam tawm hauv Circuit Court - qee zaum, vim tias muaj cov plua plav paug, kab xaim luv nyob nruab nrab ntawm cov ciav hlau. Yog tias nrhiav tau qhov chaw hlawv, hloov nrog cov uas zoo. Thaum muaj kev puas tsuaj rau ib sab tsis tso cai rau koj kom pom nws tus cim, saib cov ntaub ntawv xav tau ntawm daim duab schematic.
Kauj ruam 4
Yog hais tias luv luv ntawm tus neeg xyuas pib, hle daim ntu ntawm pawg tswj hwm kom txog thaum pom cov yas ntshiab. Yog tias cov xov hlau luam tawm raug puas ntsoog, kho lawv los ntawm soldering hlau ntev ntawm qhov xav tau ntev. Ua txhua yam kom zoo thiab tiv thaiv, them nyiaj rau qhov pom ntawm thaj chaw kho. Qhov twg zoo thiab zoo thiab lub suab feem ntau ua haujlwm zoo.
Kauj ruam 5
Yog tias qhov ntsuas pom tsis pom tseeb pom qhov kev puas tsuaj, tshawb xyuas qhov voltage ntawm qhov tawm ntawm lub zog, tsom rau cov ntaub ntawv hauv daim duab Circuit Court. Txhua qhov voltages yuav tsum sib haum nrog qhov tau tshaj tawm, tsuas yog kev hloov pauv me me tau tso cai. Yog tias tsis muaj lub zog voltage, tom qab ntawd lub zog siv hluav taws xob yog qhov yuam kev, lossis qhov txhaum tseem nyob ntxiv, hauv ib qho ntawm cov neeg siv hluav taws xob no.
Kauj ruam 6
Txhawm rau kuaj xyuas, txuas cov zis ntawm qhov hluav taws xob no los ntawm rub tawm lub pob hluav taws xob txuas. Yog tias qhov ntsuas tshiab pom tau hais tias tseem tsis muaj hluav taws xob thaum cov zis, lub sijhawm fais fab tuag lav yuam kev. Saib rau cov khoom hauv cov qauv daim duab uas muaj lub luag haujlwm rau kev tsim ntawm qhov ntsuas hluav taws xob no. Electrolytic capacitors feem ntau yog faulty. Qee zaum lawv tuaj yeem pom tau pom los ntawm tus yam ntxwv o nyob rau sab qaum - sab sauv ntawm lub capacitor tsis tiaj, tab sis convex. Hloov lub thev naus laus zis hloov nrog lub sib thooj.
Kauj Ruam 7
Yog tias lub hwj huam hluav taws xob tau ua haujlwm zoo thiab txhua qhov hluav taws xob sib raug rau cov tau tshaj tawm, lub ntsuas hluav taws xob nyob, tab sis tsis muaj duab, kos lub tshuab ntsuas. Ua tib zoo saib seb qhov hluav taws xob puas siv rau lub anode ntawm kinescope - nws lub xub ntiag tau yooj yim txiav txim siab los ntawm tus yam ntxwv tawg thaum lub sijhawm hloov mus. Txheeb xyuas cov ntsuas ntawm cov ntsuas ntawm cov qhab nia ntsuas, lawv feem ntau qhia ntawm daim ntawv Circuit Court. Thaum tsis muaj qhov ntsuas voltages lossis lawv qhov sib txawv, saib qhov ua rau los ntawm kev kuaj lub xov tooj cua nyob ze. Rau LCD TV, tseem pib daws teeb meem los ntawm kev saib xyuas cov khoom xa hluav taws xob.
Kauj ruam 8
Yog tias tsis muaj daim duab, sim ua lub teeb liab los ntawm lub DVD player. Yog hais tias lub TV feem ntau ua dua lub teeb liab sab nraud, nrhiav qhov ua haujlwm tsis zoo hauv lub tuner - chav saib xyuas lub luag haujlwm kom tau txais thiab ua haujlwm ntawm lub teeb liab TV. Tos kuaj lub kav hlau txais xov, txais (yog tias lub teeb liab TV tau txais los ntawm lub hnub qub). Txheeb xyuas cov teeb meem TV nkaus xwb tom qab paub tseeb tias txhua tus sab nraud ua haujlwm tau zoo.
