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Costin (4683)
Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 
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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 
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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 
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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 
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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 
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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 
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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 
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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 
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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 
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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_lcapSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_voting_barSamsung LS19HAAKSB/EDC, model 940N - defecte frecvente I_vote_rcap 

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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente

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Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente Empty Samsung LS19HAAKSB/EDC, model 940N - defecte frecvente

Mesaj Scris de Costin Joi 14 Noi 2013 - 22:18

1
Defect: nu functioneaza, nu se aprinde LED-ul de pe panou.

Cauza: sursa nu livreaza tensiunile corespunzatoare datorita condensatoarelor de filtraj uscate.

Remediere: se vor verifica si inlocui toate condensatoarele electrolitice de pe placa IP (IP-35135B) care prezinta umflaturi, urme de incalzire sau ESR mare.

Un exemplu de placa defecta. 
Componentele marcate (sig. - 3A, C111, C112, C301 - 820µF/25V) se defecteaza mai des.

[Trebuie sa fiti inscris si conectat pentru a vedea acest link]

Siguranta din circuitul invertorului se arde cand sunt filtrajele uscate sau daca se scurtcircuiteaza un element activ din invertor.
Condensatoarele de 820µF/25V (o valoare mai rar intalnita in magazinele de specialitate) pot fi inlocuite cu 1000µF/25V, neaparat la 105ºC.
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