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schema philips


quinn
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Va rog sa-mi spuneti si mie ce model este acel philips la care telecomanda are o clapita in patea de sus si care se ridica pt programare si se apasa 2 taste simultan pt intra in meniu.Va cer asta,si-mi cer scuze, deoarece tv-ul este acum la tara la socri ,sunt batrani si bolnavi si nu le pot cere sa se uite ce model este.Mi-au spus ca tv-ul a facut o flama in spate si a murit.A era sa uit:mi-am amintit ca nu are acord fin si s-ar putea sa aiba si smd-uri .. :rolleyes: :rock: Daca cineva are schema si ma poate ajuta cu un sfat ii multumesc! :prayer:

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Telecomanda cu clapa este RC7507 iar modelele de tv corespunzatoare ar fi 21PT165;21PT166 sasiu AA5-AB.(telecomanda este echivalenta direct cu RC8205 sau RC8207 si merge si pe alte modele de Philips).Schema :

http://forum.microprocesoare.ro/index.php?topic=7.15 sau aici (6 parti in arhiva):

http://www.eserviceinfo.com/download.php?fileid=30884

Trafo linii poate fi HR7772 sau HR7839 (depinde de model ,99% a descarcat si este distrus).

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Am rezolvat acum pb cu tv-ul soacra-mi:Condensatorul marcat in img a strapuns izolatia la un pin si a ars finalul.Nu am avut alt tranzistor si am inlocuit cu un bu 508 clasic ,capsula patrata 2x2cm si am pus o rezistenta de 34 ohmi intre B si E pt ca asa am vazut in datasheet-ul BU1508DX(se intampla ceva daca nu o puneam?).Ce ziceti o sa tina?

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