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ELFORUM - Forumul electronistilor

teletech bv


Guest stoian adrian

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Guest stoian adrian

Ce sasiu are?BVul este TDA8174?Schimba toti electroliticii din BV si verifica alimentarea.

cum verific alimentarea nu porneste cu bv ars.bobina are 6 ohmi
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De ce deschizi doua subiecte identice?Condurile le-ai schimbat?U1 cat este in TVul ala?De ce nu ne spui ce sasiu este?e secret?

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intrerupe alimentarea la tda si va porni cu linie orizontala apoi masoara tensiunea de alimentare la tda si inainte de a schimba tda schimba toti condesatorii si dioda care redreseaza tensiunea de alimentare.

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Schimba toti conzi din jurul BV-ului: C610-100uf/50v, C641 10uf/50v, C603 1uf/50v, C636 33uf/50v, C644 1uf/50v, C631 470uf/50v, C616 100uf/50v.

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