virgil_19 Posted March 29, 2011 Share Posted March 29, 2011 Va salut. am nevoie de o schema TVC PHILIPS md.20PT1547/01 cu TDA9351PS/N2/2I1293 . Am schimbat final linii 1803dhi dar tot nu pleaca.Cu multuri Virgil. Link to comment
FLORIN IORDACHE Posted March 29, 2011 Share Posted March 29, 2011 Salut ! Aici : viewtopic.php?f=17&t=31469 .Bafta ! Link to comment
virgil_19 Posted March 30, 2011 Author Share Posted March 30, 2011 Va salut. Am verificat si C=470pf/2kv.am schimbat si cei 2 C din bara 115v tot degeaba tensiunea de alimentare pe aceasta bara ramane dfe 24/32v variabila. Poate fi defect trafo linii? Virgil Link to comment
virgil_19 Posted March 30, 2011 Author Share Posted March 30, 2011 IMI pare rau.Nu pot sa descarc schema TVC. Ce pot sa fac? Virgil Link to comment
leoncris Posted March 30, 2011 Share Posted March 30, 2011 Vezi ca are 3 parti.Le-ai descarcat pe toate? Link to comment
FLORIN IORDACHE Posted March 30, 2011 Share Posted March 30, 2011 Imi pare rau.Nu pot sa descarc schema TVC. Ce pot sa fac? VirgilSalut ! Acuma sper ca sa reusiti ca sa descarcati schema. part 1 : http://www.eserviceinfo.com/downloadsm/ ... lips_.html part 2 : http://www.eserviceinfo.com/download.php?fileid=34565 part 3 : http://www.eserviceinfo.com/download.php?fileid=34566 Deschideti pe fiecare linck dat de mine si apasati unde scrie : To download the file, please, click here . Succes ! Link to comment
BUGHIU Posted March 30, 2011 Share Posted March 30, 2011 Va salut. Am verificat si C=470pf/2kv.am schimbat si cei 2 C din bara 115v tot degeaba tensiunea de alimentare pe aceasta bara ramane dfe 24/32v variabila. Poate fi defect trafo linii? VirgilDelimita-ti pentru inceput etajul defect: sursa sau final linii sau.....altceva(cadre de exemplu)A-ti verificat sursa pe bec? Link to comment
virgil_19 Posted March 31, 2011 Author Share Posted March 31, 2011 Va salut.La verificarea cu becul U+115V apare aleator.Atunci cand este toate celelalte U=16,12.8Vsunt OK.Cand nu apare U8V este 1,2V.Ce pot face? Virgil Link to comment
dan cod Posted March 31, 2011 Share Posted March 31, 2011 Sa reparati sursa de alimentare .Acolo trebuie rezolvat prima data.U1 trebuie sa fie tot timpul nu aleator.Poate ceva cond este defect sau ceva lipituri. Link to comment
megabit Posted March 31, 2011 Share Posted March 31, 2011 Va salut.La verificarea cu becul U+115V apare aleator ... Este un comportament tipic al acestei surse, nu poate fi probata cu becul ...toate tensiunile scad (U1 pina la 10..12v). In gol, U1 este cam 150v. Oricum, defect parca a fost finalul linii ! Link to comment
virgil_19 Posted March 31, 2011 Author Share Posted March 31, 2011 PTR. DAN. Am verificat toti C. din sursa.Acelasi simtom. Masuratoarea cu becul o fac fara 2SC5339 conectat in locul BU2508. Sa maresc valoareaC.22Mf din linia+115V? Virgil Link to comment
virgil_19 Posted March 31, 2011 Author Share Posted March 31, 2011 Va salut.Am schimbat C22Mf cu47Mf/160v si C1000Mf/25V cu2000Mf din bara +8V, am conectat finalul de linii si la pornire a luat-o .Cu multumiri Virgil. Link to comment
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