calul Posted March 7, 2014 Share Posted March 7, 2014 Trebuie să repar acest amplificator de putere şi nu am putut găsi nimic despre el.Mă puteţi ajuta cu o schema? Multumesc! Link to comment
BUGHIU Posted March 7, 2014 Share Posted March 7, 2014 Fara schema nu va putem ajuta deloc...?!?! Link to comment
calul Posted March 7, 2014 Author Share Posted March 7, 2014 Amplificatorul intra in protectie la pornire . Am masurat:- tens. alim de +115vcc si -95vcc fata de masa- tens pe iesiri boxe +5vccSugestii ? Link to comment
calul Posted March 7, 2014 Author Share Posted March 7, 2014 2SA1943 , cite 12 pe canal , in total 24 buc Link to comment
calul Posted March 8, 2014 Author Share Posted March 8, 2014 Deci tens alim sunt inegale , iar pe iesiri am diferente de potential de +5Vcc , aparatul fiind in protectie . Vreo sugestie de inceput ? Link to comment
BUGHIU Posted March 8, 2014 Share Posted March 8, 2014 Daca decuplati alimentarea finalilor ,mai intra in protectie?!?! E cam mare diferenta intre tensiuni...+115 si -95.... Link to comment
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