Guest frank01 Posted May 9, 2017 Share Posted May 9, 2017 Buna ziua, stimati colegi am o problema cu un Samsung model La40M87BD, se stinge 2,3 secunde si se aprinde singur, are imagine perfecta , este cind merge o zi sau doua fara probleme, sint cazuri cand dupa o ora incepe,....condenzatorii verificati cu ESR, am schimbat si care aratau bun....am verificat si refacut lipiturile.....daca aveti vreo parere ... Link to comment
FLORIN IORDACHE Posted May 9, 2017 Share Posted May 9, 2017 Eu unul cred ca aveti probleme cu softul. Link to comment
Guest Posted May 9, 2017 Share Posted May 9, 2017 (edited) Nu cumva e din ala cu modul LVDS intermediar?, daca da, trebuie schimbat c-ul de 1 micro Edited May 9, 2017 by Guest Link to comment
FLORIN IORDACHE Posted May 9, 2017 Share Posted May 9, 2017 (edited) care ar fi rezolvarea ? Iar daca doriti vreun soft...ne trebuie si noua urmatoarele : Model sursa....Model placa main board.....Model display.... Nu cumva e din ala cu modul LVDS intermediar?, daca da, trebuie schimbat c-ul de 1 micro Dar pentru prima data verificati daca e ce va spus domnul,Costica. Asteptam raspuns !!! Edited May 9, 2017 by FLORIN IORDACHE Link to comment
Guest Posted May 9, 2017 Share Posted May 9, 2017 Am vazut acum ca nu e cu modul LVDS intermediar, verifica tensiunea PFC pe sursa(condensatorul mare) si vezi cit este..... Link to comment
Guest frank01 Posted May 9, 2017 Share Posted May 9, 2017 power suply bn44-001165a, main board bn41-00813b-mp1,0 Link to comment
yokoono Posted May 9, 2017 Share Posted May 9, 2017 Ati omis ce este mai important: ce dispay are, ce scrie pe eticheta. Link to comment
Guest frank01 Posted May 9, 2017 Share Posted May 9, 2017 tensiunea PFC 380 V....display LTA400HT-LH1 Link to comment
Guest Posted May 9, 2017 Share Posted May 9, 2017 (edited) Trebuie scoasa cutia metalica de la procesor(lucru cam anevoios) si acolo sint doi condensatori C1110 si C1177 de 1000 micro, aia trebuie schimbati prima data, ei fac contact cu tabla de racire si se distrug prin ambalare termica, poti verifica si restul condensatorilor de pe main Edited May 9, 2017 by Guest Link to comment
Guest dani502017 Posted May 9, 2017 Share Posted May 9, 2017 uite si schema daca ai nevoie http://www.filehost.ro/3172571159/samsung_le37_40_46_52m87bdx_chassis_gtu37_40_46_52sen_pdf/ Link to comment
yokoono Posted May 9, 2017 Share Posted May 9, 2017 (edited) este cind merge o zi sau doua fara probleme Daca schimbati un condensator va trebui sa asteptati o zi sau doua sa vedeti daca mai face defectul. Nasol. Schimbati tot ce vi se pare suspect sau ce credeti ca are legatura cu defectul. Chiar daca par buni. Daca defectul apare la incalzire dati cu feonul pe placa de baza si poate simulati defectul. Sa nu asteptati 2 zile. Edited May 9, 2017 by yokoono Link to comment
Guest frank01 Posted May 9, 2017 Share Posted May 9, 2017 tabla de racire ?...nu este..asa am primit tv fara Link to comment
Guest dani502017 Posted May 9, 2017 Share Posted May 9, 2017 (edited) tabla de racire ?...nu este..asa am primit tv fara poti face o poza la placa de baza si sa o postezi aici? asa trebuie sa arate https://postimg.org/image/plz59n49p/ Edited May 9, 2017 by dani502017 Link to comment
Guest frank01 Posted May 9, 2017 Share Posted May 9, 2017 dl Costica va multumesc....verific.... am facut poze si am trimis ...dar nu stiu de ce nu apare... Link to comment
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