bubusmecherul Posted August 31, 2012 Share Posted August 31, 2012 am primit acest tv numai cu led rosu aprins,si auzinduse in defuzoare un mic [poc,poc],lam desfacut si am gasit un condesator pe bara pinului trafului B+ ce-ul C490 PE 250v/22uf umflat,lam schimbat si acum nu se mai aude zgomotul de pac,pac,acum se aude in zona trafului de linie un zgomot ca cum ar da sa plece tv din standbay,se vede cum trafu linii da sa plece[atrage praful la el],dar ma arunca inapoi in standbay,TDA11156PS/N3/3,CW24C16,D1557,intergrat sursa 1K518H,ce defect poate fi,un ajutor din partea voastra. Quote Link to comment Share on other sites More sharing options...
leoncris Posted August 31, 2012 Share Posted August 31, 2012 Sasiu ETE2 ?Verifica tensiunile sursei. Quote Link to comment Share on other sites More sharing options...
tehtronics Posted August 31, 2012 Share Posted August 31, 2012 Sasiu ETE2 ?Verifica tensiunile sursei.ETE-2 este cu TDA93xx...Sigur este sasiu ETE-3, zic eu Quote Link to comment Share on other sites More sharing options...
dan-a2 Posted August 31, 2012 Share Posted August 31, 2012 Schema o gasiti aici : viewtopic.php?f=16&t=126574 Quote Link to comment Share on other sites More sharing options...
bubusmecherul Posted September 1, 2012 Author Share Posted September 1, 2012 pe condesatorul C809,450/150UF am 311v,este bine sau trebuie sa aiba 300v Quote Link to comment Share on other sites More sharing options...
dan cod Posted September 1, 2012 Share Posted September 1, 2012 Ai masurat ceva tensiuni acolo?Aia de 300 este ok.Masoara in secundar sursa. Quote Link to comment Share on other sites More sharing options...
bubusmecherul Posted September 1, 2012 Author Share Posted September 1, 2012 am pe c-ul de 450/150 am 311v Quote Link to comment Share on other sites More sharing options...
dan cod Posted September 1, 2012 Share Posted September 1, 2012 Am inteles asta.Pe iesire din sursa ce ai? Quote Link to comment Share on other sites More sharing options...
bubusmecherul Posted September 1, 2012 Author Share Posted September 1, 2012 Pe iesire din sursa cat trebuie sa am,si unde trebuie masurat,ca sant terminat de tot.si se aude un tiu-buf,tiu-buf,tiu-buf,da sa plece dar parca ar fi ceva in scurt,va rog ajutor.pe c-ul C490 250V/22UF ce lam schimbat trebuie sa am[dupa schema] 120V dar nui am, am decat 104v Quote Link to comment Share on other sites More sharing options...
dan cod Posted September 1, 2012 Share Posted September 1, 2012 Pai masori pe catozii diodelor redresoare.Fata de masa secundarului.U1 in jur de 110-115V .Mai trebuie sa ai un 12-16V.poate mai sunt si altele,nu am schema in fata sa vad exact. Quote Link to comment Share on other sites More sharing options...
leoncris Posted September 1, 2012 Share Posted September 1, 2012 C822 - 22V; C 823 - 35V; C 839 - 5V; C 841 - 3,3V; C 828 - 8 V ; C 829 - 5V; C 831 si 490 - 120V trebuiesc ... schimbati. C452 - 12V; C 462 - (-12V); C 492 - 190V. Quote Link to comment Share on other sites More sharing options...
bubusmecherul Posted September 1, 2012 Author Share Posted September 1, 2012 domnilor este posibil ca de la memorie sa aiba simptomul asta Quote Link to comment Share on other sites More sharing options...
leoncris Posted September 1, 2012 Share Posted September 1, 2012 Schimba ce'am spus si posteaza valorile masurate ale tensiunilor mentionate.Lasa memoria,n pace. Quote Link to comment Share on other sites More sharing options...
bubusmecherul Posted September 1, 2012 Author Share Posted September 1, 2012 C 822-20V-22V C823-33,39V C839-5,6V C841-3,2V C829-10,78V C829-2,2v , C831 NU LAM SCHIMBAT, C490 SCHIMBAT, C492-170V C452-3V C462[-8V],asa mia indicat aparatul. Quote Link to comment Share on other sites More sharing options...
leoncris Posted September 1, 2012 Share Posted September 1, 2012 "C831 NU LAM SCHIMBAT " - schimba'l (220u/160V) Quote Link to comment Share on other sites More sharing options...
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