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ELFORUM - Forumul electronistilor
giany

NOKIA MONOPLUS

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Am un tv nokia oceanic 3724 cu sasiu monoplus cu urmatorul defect functioneaza bine dar are defect pe sunet cand isi micsoreaza volumul cand nu se mai aude deloc iarasi isi revine dupa verificari oscileaza tensiunea de comanda volum pe pin 5 la 7056a dinspre procesor si nu vad ce ar putea sa o influenteze am schimbat tda 7056a am verificat traseul pana la procesor st 6367 totul ok ce este ciudat ca mai aveam un akai sasiu monoplus 2 cu procesor sda 5254-a024 si jungla tda 8362a cu sursa defecta tea 2164 rezolv sursa si surpriza acelasi defect pe sunet cu variatii de tensiune pe tensiunea de comanda tda 7056a,daca aveti idee ce ar putea fi eu nu gasesc nici o explicatie

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