Guest sacalul Posted November 1, 2009 Share Posted November 1, 2009 Am realizat prima schema prezentata la scheme de vumetre: http://www.pira.cz/enbar.htm cu toate componentele lafel ca in scmema si im om cand o bag sub tensiune fara legare la pc stau ledurile aprinse , daca bag geacul la pc in audio tot nu merege . Cu ce gresesc ?? Link to comment Share on other sites More sharing options...
remus68 Posted November 1, 2009 Share Posted November 1, 2009 Mai intii verifica daca ai realizat cablajul corect si daca ai montat pinii circuitelor integrate asa cum trebuie. Daca totul e corect executat si defectiunea persista, scoate din montaj pe D1 si spune daca se mai aprind toate LED-urile. Link to comment Share on other sites More sharing options...
miron1947 Posted November 1, 2009 Share Posted November 1, 2009 fara legare la pc stau ledurile aprinseDar cu intrarea in scurt,se sting? Link to comment Share on other sites More sharing options...
Guest sacalul Posted November 1, 2009 Share Posted November 1, 2009 remus maine verificmiron tot maine verific Link to comment Share on other sites More sharing options...
MCDragoos Posted November 6, 2009 Share Posted November 6, 2009 Am realizat vu-metru dupa schema si cablajul de acolo si este functional. Semireglabilul sa fie pe la jumatatea cursei sa nu ai sensibilitate foarte mare ca atunci cu firul de la intrare in aer se aprind toate LED-urile. L-am testat si in mod punct si in mod bara si merge foarte bine. Link to comment Share on other sites More sharing options...
Guest sacalul Posted November 6, 2009 Share Posted November 6, 2009 zi-mi ce semireglabil ai folosit si il folosesc si eu. am folosit toate piesele din schema data Link to comment Share on other sites More sharing options...
remus68 Posted November 6, 2009 Share Posted November 6, 2009 Ai verificat ceva ? Link to comment Share on other sites More sharing options...
Guest sacalul Posted November 6, 2009 Share Posted November 6, 2009 ce sa verific?? Link to comment Share on other sites More sharing options...
remus68 Posted November 6, 2009 Share Posted November 6, 2009 remus maine verificmiron tot maine verific ...??? ...acum o saptamina ! Link to comment Share on other sites More sharing options...
Guest sacalul Posted November 6, 2009 Share Posted November 6, 2009 fara diodaam tensiune inte 0 si 1 v Link to comment Share on other sites More sharing options...
remus68 Posted November 6, 2009 Share Posted November 6, 2009 unde ? Link to comment Share on other sites More sharing options...
Guest sacalul Posted November 6, 2009 Share Posted November 6, 2009 la leduri Link to comment Share on other sites More sharing options...
remus68 Posted November 6, 2009 Share Posted November 6, 2009 Si unde anume ai masurat ? Link to comment Share on other sites More sharing options...
Guest sacalul Posted November 6, 2009 Share Posted November 6, 2009 intre - si + - ul fiecarui led Link to comment Share on other sites More sharing options...
remus68 Posted November 6, 2009 Share Posted November 6, 2009 Monteaza R4=1K2 si R5=8k2 (asa cum apare in schema din datasheet-ul de la LM3915). Link to comment Share on other sites More sharing options...
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