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ELFORUM - Forumul electronistilor

TDA 7540


kostel

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  • 1 year later...

doresc sa ma lumineze cineva, ce se petrece cand pe un tda7540 se aud piuituri in fm si pe am se incaleca posturile urmate de pufaieli continue, daca aveti o placa de blaupunkt de logan model renault va rog sa ma ajutati, vreau sa am functional acest radio.

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  • 2 weeks later...
Guest mick_sistem

schema de renault are mici probleme cu smd versus consum, nu este primul radio si nici ultimul care vine ca fiind ars tda7540 iar el nu este ars real vorbind si pornit manual.Apoi cand se arde tda7540, ii zicem pa si la sursa, crapa tranzistoarele de pe plus, se reteaza rezistentele de 33-47ohm etc.

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