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tv LCD LG 32LG3000

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am un tv lg 32LG3000 care am venit cu defect : porneste dupa 10-15 min (se incalzeste) si dupa merge perfect , schimbat cond sursa , si refacut lipituri sursa . acum porneste din prima dar acel dreptunghi pe care afiseaza "lipsa semnal" tremura , se mareste , joaca haotic, face dungulite ... ce asi putea sa-i fac . nu am intalnit defectul pana acumrevin cu update , pe masura ce se incalzeste incepe sa-si revina , acum aproape ca afiseaza normal

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Incercati asta:Affected Models42LG3000, 42LG5010, 42LG7000SymptomNo PowerCauseAC OVP faultSolutionremove ZD111, ZD112, C108 on power supplySource: LG SERVICE BULLETIN 0IVL20100873Se aplica si la 32lg3000Am facut-o de mai multe ori si mergeDaca tot nu merge, o alta sursa a problemei pot fi condensatoarele de 100uF/16v smd, pe place de baza care sunt montate pe intrarile si iesirile integratelor stabilizatoare de tensiune. La modelele mai vechi de lg: LF65 si LC46 am inlocuit multe.

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