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electron49

tda 8174 11ak30

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La acest sasiu dupa repararea sursei am gasit TDA 8174AW defect.Am schimbat ci condesatorii din jurul ci-ului am pornit si tot linie orizontala am.schimbat  dioda de pe 26v si am distrus 2 ci. Ce ar mai trebui sai fac ce eu nu stiu inca?Multumesc de orice sfat.Integratele le am de la miv.

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  Daca  zici ca ai verificat tot din jur..mai intai schimba lotul de integrate,pune unul testat...

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...D602 este inlocuita ?, ....dar sigur este TDA defect, sau nu primeste semnal din STV. Osciloscopul va lumineaza repede!!!

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se distrug instantaneu arzind rezistenta de pe alimentare r666.d602 am inlocuito.

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Confirm,TDA8174 de la Miva.....sunt bune. Problema e alta.......ehe......

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 .De la miv am luat 5 in noiembrie  2015 si 15 in ianuarie 2015Nu am luat teapa niciodata de la ei.

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nici eu nu am avut problrme cu tda8174 de la"miv,....

si eu am comfirmat mai sus cas bune

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