relu01 Posted January 4, 2015 Share Posted January 4, 2015 salut baieti are cineva schema pentru modelul asta de tv ,am ceva probleme cu sursa si mar ajuta o schema sa pot sai masor tensiunile ,,,va multumesc anticipat si astept ajutorul dvs Link to comment
santamihai Posted January 4, 2015 Share Posted January 4, 2015 http://elektrotanya.com/sanyo_ce21p2-c_ch_eb4a.pdf/download.html Link to comment
relu01 Posted January 4, 2015 Author Share Posted January 4, 2015 va multumesc sa vad ce pot face problema e ca uneori porneste alteori intra sursa in protectie si palpae ledul daca nu pleaca o sa incerc sai pun sursa pe bec sa pot masura tensiunile ,,daca mai aveti si alte sugestii va multumesc Link to comment
mariantoader82 Posted January 4, 2015 Share Posted January 4, 2015 Verificati condensatorii din primarul si secundarul sursei. Link to comment
relu01 Posted January 4, 2015 Author Share Posted January 4, 2015 iam verificat si chiar inlocuit dupa toate verificarile am urmatoarele tensiuni ,B1 130v in loc de 150 cat ar fi normal ,B2 28v in loc de 25 ,B3 14v in loc de 15 ,B4 26v in loc de 24 ,B6 ,B7 ,B8 normale daca mai aveti vreo idee ajutatima ,. Link to comment
mariantoader82 Posted January 4, 2015 Share Posted January 4, 2015 B1 nu se poate regla la 150v din semireglabilul VR641? Link to comment
relu01 Posted January 5, 2015 Author Share Posted January 5, 2015 am reglato la 150v dar simptomele raman aceleasi Link to comment
BUGHIU Posted January 5, 2015 Share Posted January 5, 2015 Pe bec ati verificat sursa? Nu ati spus nimic despre ...final linii!!! Porneste sau nu televizorul?!?!Nu am vazut schema;deci intreb ,cadrele se alimenteaza din sursa sau din recuperate linii?!?! Link to comment
relu01 Posted January 6, 2015 Author Share Posted January 6, 2015 si pe bec face la fel ,uneori porneste uneori nu si cind porneste merge aprox 10 min dupa care se inchide si intra sursa in protectie ,cadrele se alim din sursa Link to comment
BUGHIU Posted January 6, 2015 Share Posted January 6, 2015 (edited) Cu ce componente este sursa? Atasati aici macar schema ei daca ati descarcat-o de le ElectroTanya!! Nu se admit decat doua descarcari pe zi si nimeni nu o sa descarce schema fara sa aiba nevoie de ea in afara de dvs,in cazul de fata!! Edited January 6, 2015 by BUGHIU Link to comment
relu01 Posted January 6, 2015 Author Share Posted January 6, 2015 da am descarcat schema o atasez aici 21BN1.pdf Link to comment
BUGHIU Posted January 6, 2015 Share Posted January 6, 2015 (edited) Q611,Q612 ,D619 schimbate chiar daca arata bine la rece!! R620,R621 verificate scoase afara din circuit sa nu fie ''intinse'' ca valoare ohmetrica prea mult....Optocuplor schimbat! Q645,D645,R642 verificate!! Chiar R642 poate face ...figuri!! Condi filtraj dreiver C434 schimbat ...preventiv!! Edited January 6, 2015 by BUGHIU Link to comment
relu01 Posted January 6, 2015 Author Share Posted January 6, 2015 condu de la driver lam shimbat o sa schimb si restu revin cu noutati Link to comment
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