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Manual service amplituner DENON DRA565RD


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... cred ca-i alimentarea etajul final pentru ca am schimbat tranzistori care erau praf si au mai "crepat" odată :smt005 voiam sa stiu ce tensiuni sunt pe acolo.. :rolleyes: ar fi mare ajutor daca ma poti ajuta cu schema electrica sau un link catre scheme :rock: "nea gogu" nu gaseste numai situri de afara ...!

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Fata de DRA-585, al tau (DRA-565) are urmatoarele diferente:Tensiunea de alimentare mai mica: +/-48V.Cond de filtraj sint de 8200uF/56V.TR317,318: SD2004PY.TR319,320: SB1328PY.In paralel cu R387,388,389,390 ai in plus cond. C371,372,373,374 de 0,1uF.Intre b-e TR315,316 ai in plus R395,396 de 9,1k.R359,360: 15k.R339,340,343,344,: 1k.R347,348,457: 11k.R349,350: 100k.C325;326: 22nF.Verifica trz. prefinali, piloti, superdioda, c.i. BA15218, toate rezistentele din etajul final. Si nu pune boxe de 4ohmi ca nu duce chiar daca scrie pe spate.Bafta!

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