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ELFORUM - Forumul electronistilor

tv arctic nr20cmo


Guest vasy2

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este cu tda 16846 p dar nu am nici o tensiune pe el.amverificat r3m9 sir1m ,par ok dar nu inteleg de ce nu am nici o tensune .

sunt bune sau NU??? trebie verificat de ce nu se alimenteaza acel circuit
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pe r606 si r608 ajunge dar dupa ele nu.daca scot capetele dinspre integrat am tensiune ,cand le pun inapoi tensiune 0.r606si r608 schimbate.

Schimbati integratul !!
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am schimbat tda 16846 si singurele modificari sint 3v pin11 si06v pin 2. pe pin14 tot nu am tensiune.tensiunea pe pin 14 vine prin l602 si d606 din primar traf choper.am verificat tot inca o data si nu am gasit nimic si nu inteleg cum functioneaza sursa asta ca nu vrea sa o ia.

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Am schimbat totul in primar,secundarul verificat atent dar tot nu porneste .Cine ma poate ajuta co noi idei. Eu cred ca tda-ul cumparat este defect si nici nu am momentan unde s-al probez.

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