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ambombo

tv hyundai HRH 14 txt

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salutare domnilor!!!am o problema cu tv-ul tv hyundai HRH 14 txt i-am skimbat tranzistoru p4nk60zfp era ars diodele de pe alimentare 1n4007 si 2 condensatori 470 micro pe 25 V si cand il bag in priza si apas pe butonul de pornire se impusca imediat siguranta!!! ce sa poata fi in neregula?Va multumesc!

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Pune bec in loc de siguranta, verifica PTC-ul si daca becul lumineaza puternic, verifica primarul sursei. mosfetul ala nu s-a ars degeaba, probabil mai ai si alte defecte in sursa.

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tv hyundai HRH 14 txt ma puteti ajuta si pe mine cu skema va rog !!multumesc

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Buna ziua !!! Daca chiar vreti schema la acest tv-u,atunci dati-ne si noua mai multe informatii despre acest tv-u . :da Asteptam !!!

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R807 e buna?FETul bun?Implusuri de comanda FET ai?

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R807 am verificat-o, pe ohmetru imi indica 67Kohm iar pe FET am tensiunea identica cu cea de la intrare de pe condesatorul din puntea redresoare

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e foarte posibil ca ic.( ka3842b) montat sa fie defect,incearca cu un alt integrat....

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A fost unul defect care doar ce l-am inlocuit, ce tensiune ar trebui sa fie pe pin-ul 7 al integratului? momentan indica 1.6 v

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