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Identificare piesa Philips L01.1


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Am un Tv Oreion cu sasiu Philips L01.1, care se opreste dupa aproximativ o ora de functionare

Am refacut lipiturile, am schimbat c-urile inclusiv cel de 47uf, dar defectul persista, mai exact dupa 1 h de functionare se stinge si nu mai porneste decat dupa 10 min, in acest timp chiar si ledul st-by este stins.


Ce am observat in surrsa exista un rezistor cred 3504 care este strapus si afumat, in schema nu se specifica valoarea acestuia, doar +t* ZPB


Imi puteti spune ce valoare are acest rezistor si ce reprezinta ?

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Multumesc pentru lamuriri, am verificat sursa nu scoate tensiuni in momentul cand se opreste, ce e mai cidat ca dureaza aproximativ 10 min de cand se opreste pentru a mai reporni timp in care e mort parca ar intra in protectie termica

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Am refacut toate lipiturile, placa fiind extrem de putreda si vad ca de aprox o ora nu s a mai oprit.@dan cod - tranzistorul din sursa este singurul care se incalzeste destul de tare abia poti tine mana pe radiator, sa fie asta problema de fond are protectie termica ? Acesta este regimul lui termic de lucru sau pot fi alte cauze ?

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