Alextv Posted November 18, 2016 Share Posted November 18, 2016 (edited) Buna ziua. Sunt la inceput de drum in depanare LCD, LED...Tv.ul nu afiseaza imagine, sunet exista.Am verificat toti condensatorii din sursa +invertori cu ESR,am verificat lampi cu Tester si sunt bune toate , am verificat inclusiv cu semnal ,pe rand fiecare lampa si am imagine.Aici m.am blocat.Varog o idee ce sa mai masor, sau poate este un defect tipic la acest sasiu (mentionez ca nu stiu sasiul) . Placa sursei are urmatore le componente active: CI-SEM 2005 CI-4506GEH Mos.ul-7N65 inca un ci.de pe care nu reusesc sa identific marca. 2.MBR20100CT TR.invertor-TM-0917 Atasez cateva poze cu placa sursei, si va rog daca se poate as avea nevoie de o schema sa incerc niste masuratori. Edited November 18, 2016 by sandeel Link to comment
leoncris Posted November 18, 2016 Share Posted November 18, 2016 Sasiu LTD22NS http://elektrotanya.com/samsung_t220hd_ch_ltd22ns.pdf/download.html Link to comment
Alextv Posted November 18, 2016 Author Share Posted November 18, 2016 multumesc leoncris, cum sa downloadez de aici ,ca nu reusesc...stau prost cu engleza .. am reusit , multumesc. Link to comment
leoncris Posted November 18, 2016 Share Posted November 18, 2016 This file is downloadable free of charge: ...processing... This file is downloadable free of charge: Get Manual Link to comment
Alextv Posted November 18, 2016 Author Share Posted November 18, 2016 nu se "pupa " schema, se poate sa fie alt sasiu ? Link to comment
leoncris Posted November 18, 2016 Share Posted November 18, 2016 La ce nu se ... pupa ? Link to comment
Alextv Posted November 18, 2016 Author Share Posted November 18, 2016 la dispunerea si numerotarea pieselor din sursa.. Link to comment
leoncris Posted November 18, 2016 Share Posted November 18, 2016 Cu asta se ... pupa ? http://elektrotanya.com/samsung_bn44-00182l_sch.pdf/download.html Link to comment
gogu1305 Posted November 18, 2016 Share Posted November 18, 2016 Masurati bobina de la invertor , eventual scoasa si studiata . Posibil un secundar intrerupt . Bafta ! Link to comment
dan cod Posted November 18, 2016 Share Posted November 18, 2016 Secundarele la traf invertor trebuiesc verificate.Cred ca acolo e problema. Link to comment
Alextv Posted November 18, 2016 Author Share Posted November 18, 2016 am masurat secundarele, sunt bune amandoua, in jur de 900 ohmi fiecare, nu am experienta , sunt ok. la valoarea asta ? Link to comment
dan cod Posted November 18, 2016 Share Posted November 18, 2016 da .In general nu se duc ambele si sunt diferente intre ele.De alimentat se alimenteaza partea de invertor/ Link to comment
Alextv Posted November 18, 2016 Author Share Posted November 18, 2016 as vrea sa masor , insa mie frica sa nu fac vreo greseala, spuneti.mi va rog in ce punct sa masor si in general cam cat ar trebui sa fie tensiunea. Link to comment
gogu1305 Posted November 18, 2016 Share Posted November 18, 2016 Pe cei doi condensatori de langa bobina [ posibil 12 v] Link to comment
Alextv Posted November 18, 2016 Author Share Posted November 18, 2016 da, pe cei cond am 13 V, si pe primar invertor am 6 V Link to comment
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