ciuca paul Posted March 13, 2015 Share Posted March 13, 2015 Salutare tuturor.La acest tv am o problema ciudata ,manifestandu-se prin trecerea tv-ului in stan-by aproape in mod aleatoriu ,la schimbarea programelor dar indeosebi prin folosirea meniului atat din telecomanda cat si din manual.Din masuratori n-am constatat nimic anormal tens. de 3,3 si respectiv 5v in stan-by sunt corecte dar si in functionare corecta cealalta tens. de 5v este stabila. Multifunct. este de tipul tda11105ps/v3/3 si pe pinul 38 acesta comuta inexplicabil tens. de std-by .Am pus o memorie goala dar fara rezultat.Daca nu-l deranjez din comenzi fenomenul se repeta mai rar .Am verif. si filtrajele , cantacte imperf. dar nici o schimbare,va rog sa-mi dati ceva sugestii ca am intrat in criza de idei.. Link to comment
leoncris Posted March 13, 2015 Share Posted March 13, 2015 (edited) CTV 1414 BUNTZInlocuieste memoria cu una noua si dump ... proaspat.http://service.boxhost.me/index.php?topic=100.0 Edited March 13, 2015 by leoncris Link to comment
iuliantv Posted March 13, 2015 Share Posted March 13, 2015 schimbati optocuplorul precum si 2sa1015 primar (inlocuit cu 2sa1013) si c1815 zona optocuplor,semireglabilul sursa,refaceti lipiturile procesor Link to comment
ciuca paul Posted March 13, 2015 Author Share Posted March 13, 2015 multumesc mult ,asa este rescrierea dumpului corect a rezolvat problema.. Link to comment
Guest tuleivlad Posted May 11, 2015 Share Posted May 11, 2015 buna seara, va rog mai postati o data acest dump, link-ul furnizat nu merge.cu stima. Link to comment
Guest cristivobis Posted August 1, 2015 Share Posted August 1, 2015 buna va rog mai postati dump,odata mii de nultumiri stima Link to comment
dosa Posted November 14, 2015 Share Posted November 14, 2015 am si eu nevoie de acest dump Link to comment
cristronic Posted November 14, 2015 Share Posted November 14, 2015 Succes! Buntz_BZ-21P02B_24C08A.rar Link to comment
geoky Posted November 26, 2015 Share Posted November 26, 2015 (edited) Salutare domnilor, Am Buntz-ul cu chss din titlu, a venit cu imagine normala lipsa sunet, celebrul condensator C564 de 1000/16V umflat, l-am inlocuit, (facut proba=tv functioneaza corect) am inlocuit si alti condensatori devalorizati, refacut lipituri reci si am pus tv la probe, stupoare,nu mai starta. Am revizuit organoleptic placa, mi-am dat seama ca am facut un scurt la lipituri, ca am iesit din tura de noapte si nu am dormit. Asa era, scurt circuit intre baza si col la trz V592, apoi am mai gasit dioda zenner VD561 scurt ca efect la scurtul provocat de mine. Vin si va intreb daca stie cineva de cat este zenner-ul asta, ca am cautat si nu gasesc nimic asemanator, o schema ceva ... multumesc Edited November 26, 2015 by geoky Link to comment
FLORIN IORDACHE Posted November 26, 2015 Share Posted November 26, 2015 Aveti de la mine un mp.. Astept raspuns ! Link to comment
geoky Posted November 26, 2015 Share Posted November 26, 2015 (edited) spune-mi te rog daca ai schema pentru Buntz CTV2121 chss BZ-21P02B, sunt in criza de timp ca i-am spus clientului ca tv este gata in 2 ore, si uite , eu am stricat tv mai rau, din neatentie ... Edited November 26, 2015 by geoky Link to comment
dan cod Posted November 26, 2015 Share Posted November 26, 2015 Nu e sursa clasica de Cartel,Galactic ,Bronx etc? Link to comment
geoky Posted November 26, 2015 Share Posted November 26, 2015 sursa este clasica, dar are multe stabilizatoare 3v3, 5v, 8v, 12v numai cu tranzistoare si inghesuita rau, vopsea si dungi pe la terminalele pieselor de nu vezi traseele ... si cand lucrezi sub stres, iti vine sa-ti iei campii ...uf ! am rezolvat-o, dioda era de 12v, nu aveam la multifunctional 5v si 8 v Link to comment
surubarila Posted March 26, 2016 Share Posted March 26, 2016 Sanatate permanenta! Va rog daca are cineva schema acestui sasiu s-o mai posteze o data.Multam! Link to comment
dan-a2 Posted March 26, 2016 Share Posted March 26, 2016 Asta e buna ?? >> http://www.elforum.info/topic/85276-tv-buntz-ctv-1468/ Link to comment
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