Guest danystetcu Posted January 12, 2011 Share Posted January 12, 2011 am achizitionat de curand un amplificator AS 2050 electronica industriala, problema e ca merg amandoua canale dar se aude incet , ca si un electromures 2x15 w. care stie sa-mi spuna ce ar putea avea? finalii slabiti? sau preamplificarea? am vazut pe placile de amplificare niste rezistente negrite aceleasi pe ambele placi. am schema dar nu vad ce valoare are. r 129 ? Link to comment Share on other sites More sharing options...
icar Posted January 12, 2011 Share Posted January 12, 2011 10 ohm. Ce inseamna incet? Care e nivelul semnalului de la intrare? Link to comment Share on other sites More sharing options...
Guest danystetcu Posted January 12, 2011 Share Posted January 12, 2011 am achizitionat de curand un amplificator AS 2050 electronica industriala, problema e ca merg amandoua canale dar se aude incet , ca si un electromures 2x15 w. care stie sa-mi spuna ce ar putea avea? finalii slabiti? sau preamplificarea? am vazut pe placile de amplificare niste rezistente negrite aceleasi pe ambele placi. am schema dar nu vad ce valoare are. r 129. dau volumul maxim la amplificator si de abia imi misca difu de 20w Link to comment Share on other sites More sharing options...
marik2500 Posted January 12, 2011 Share Posted January 12, 2011 Daca ai schema, iti maitrebuie un aparat de masura si ...spor la treaba! Link to comment Share on other sites More sharing options...
Guest danystetcu Posted January 13, 2011 Share Posted January 13, 2011 am achizitionat de curand un amplificator AS 2050 electronica industriala, problema e ca merg amandoua canale dar se aude incet , ca si un electromures 2x15 w. care stie sa-mi spuna ce ar putea avea? finalii slabiti? sau preamplificarea? am vazut pe placile de amplificare niste rezistente negrite aceleasi pe ambele placi. am schema dar nu vad ce valoare are. r 129 stie cineva ce valoare are rezistenta r129 din schema asta? Link to comment Share on other sites More sharing options...
marik2500 Posted January 13, 2011 Share Posted January 13, 2011 Are nici mai mult nici mai putin de 10 ohmi!!! Link to comment Share on other sites More sharing options...
Guest danystetcu Posted January 13, 2011 Share Posted January 13, 2011 care ai diferenta dintre urmatorii tranzistori ex; bc 171 a, bc 171 b.bc171c ? conteaza a,b c ? sau sant unu si aceiasi ca valoare? Link to comment Share on other sites More sharing options...
icar Posted January 14, 2011 Share Posted January 14, 2011 Difera factorul de amplificare si nivelul de zgomot Link to comment Share on other sites More sharing options...
Guest danystetcu Posted January 14, 2011 Share Posted January 14, 2011 probleme cu amplifu as 2050! la-m legat la boxe si dupa 5 minute de functionare sa ars boxa si placa de sunet din calculator nu stiu ce sa mai fac cu el! are cineva ceva idei? Link to comment Share on other sites More sharing options...
ROBEERT Posted January 19, 2011 Share Posted January 19, 2011 Topic mutat aici:viewtopic.php?f=66&t=75252&start=0 Link to comment Share on other sites More sharing options...
wally_gatter Posted January 20, 2011 Share Posted January 20, 2011 daca esti in stare sa-l repari e ok , daca nu , la service cu el .. daca nu adu-l in sm la mine... si ti-l repar eu.. Link to comment Share on other sites More sharing options...
remus68 Posted January 20, 2011 Share Posted January 20, 2011 Mai bine il vinzi asa cum e si iti faci altul. Link to comment Share on other sites More sharing options...
marik2500 Posted January 21, 2011 Share Posted January 21, 2011 Sau o varianta ar mai fi sa pastrezi cutia si alimentarea, scoti afara ,,măţăraia,, si faci unul modern cu IC si cu MOS FET adecvat seclului XXI. Link to comment Share on other sites More sharing options...
wally_gatter Posted January 21, 2011 Share Posted January 21, 2011 sau mi-l vinzi mie Link to comment Share on other sites More sharing options...
Guest danystetcu Posted January 21, 2011 Share Posted January 21, 2011 am reparat amplifu as 2050! 4 tranzistori si 2 rezistente. mere de rupe..........! prost-prost dar daca ma duci in gara eu sui in tren Link to comment Share on other sites More sharing options...
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