mircea65 Posted December 10, 2011 Share Posted December 10, 2011 buna seara.ma puteti ajuta cu schema la ac. tv(sper sa nu ma insel 11ak30)-modul final video echipat cu integrat TDA6107JF.Simptomul se prezinta astfel-porneste normal apare cursa inversa cadre, se lumineaza puternic dupa care se opreste baleiajul orizontal in 2secunde, sunet exista, se pot schimba programele, lipsa tens. RGB pe tub, g2 -348 volti.Daca scot modulul final video baleiajul orizontal nu se mai opreste.Va rog dati-mi cateva idei.Cu stima! Link to comment
dan cod Posted December 10, 2011 Share Posted December 10, 2011 simptomul ar spune lipsa 200V alimentare video. Link to comment
mircea65 Posted December 10, 2011 Author Share Posted December 10, 2011 pe modul am 200 volti insa intre plusul cond. c908/4,7 micro/400v si masa am 130ohmi si cred ca ceva scurcircuiteaza tens de 200 v si suspectez tda 6107 de pe modul Link to comment
dan cod Posted December 10, 2011 Share Posted December 10, 2011 Poate este 200V numai la intrare pe modul .Pe CI este?Probabil nu si atunci trebuie verificat si U1 sa nu fie marit. Link to comment
mircea65 Posted December 10, 2011 Author Share Posted December 10, 2011 intradevar, doar la intrare 200v dupa R913 a disparut.U1-115v-verificat, nu stiu ce valoare are R913 neavand schema.multumesc Link to comment
dan cod Posted December 10, 2011 Share Posted December 10, 2011 Daca e dusa rezistenta eu zic ca si CIul e dus si trebuie schimbat. Link to comment
mircea65 Posted December 10, 2011 Author Share Posted December 10, 2011 am schimbat rezistenta r919 si baleiajul orizontal nu porneste-deci aveti dreptate trebuie schimbat si integratul.multumesc mult dl.DanCu stima! Link to comment
mircea65 Posted December 12, 2011 Author Share Posted December 12, 2011 am inlocuit TDA 6107JF cu acelasi dar la final Q, R919-1ohm, tens-198v iar radiatorul integratului fierbinte, dar se poate tine mana pe el. Cred ca este rezolvat.Multumesc domnule Dan.Cu stima! Link to comment
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