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ELFORUM - Forumul electronistilor

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Salutare. Am la reparat un tv westwood de 14 inch echipat cu sasiu 14c01, sasiu china , are procesor ST92195C7B1/MTO , jungla STV2248H , baleaj vertical cu TDA8174A , sunet cu TDA7267A , tv functioneaza in toate cele trei benzi are sunet,afisaza osd normal doar ca se vede alb-negru pe toate posturile receptionate.Mi-ar fi de folos o schema nu am gasit pe net. Ce ma sfatuiti sa fie quartzul?Astept un raspuns .Multumesc anticipat.

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  • 2 years later...

ciudat ca tunul de verde e suspect ca ar fi in scurt la filament(trag aceasta concluzie din obsevatiile dvs)...si totusi ecranul se aprinde rosu?izolati filamentul fata de masa ...si-l alimentati dintr-o sursa exterioara...observati daca se mai manifesta defectul...

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