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dnyfvx

tv compuyerland cl2100s defect

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Buna ziua , am si eu un tv computerland cl 2100s ,se aude un pac tinut in difuzor,am gasit o dioda vd814 arsă o înlocuiesc porneste am imagine incetosata cu dungi orizontale apoi trece pe fond albastru si dupa cateva secunde imi arde iarăsi dioda.va rog daca ma puteti ajuta cu vreo schema si vreun sfat.va multumesc.

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Tda 11156ps/n3/3, D1557 , LA78041,CS630F,TFA9842AJ, A57805A , tragi BSC 59D

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Am dat jos rezistenta r490 la intrare trafo pe bara de 120v b+, acum nu mai arde dioda vd814 si am o tensiune pe b+ de 110v, zicetimi si mie ce poate fi cumva trafo ars,

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Spuneti dvs mai intai ce dioda ati pus in locul ei?!?! Acolo nu merge decat HER 207 sau UF5407.... sau echivalente!!!Alte diode nu merg!!

Edited by BUGHIU

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Scuze de întârziere,dar am fost plecat.....Am pus dioda RL207 si mi-o arde,sta aproximativ un minut pornit apoi o arde.

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deci pune dioda corespunzatoare cum a spus D-l Bughiu apoi verifica tot traseul f linii deflexie  traf  sint multe piese pe acolo care ar putea sa absoarba curent mare eventual condi iale usor ca o sa dai de defect bafta!

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