Guest zake Posted July 26, 2009 Share Posted July 26, 2009 buna ziua, tuturor!am o problema cu un tv contec 3782 mrv.Este fabricat in Hong KongIntegratele aflate pe placa sunt: TDA 2549, AN 240P, TDA 2543, TDA 1013BM 34300-012sp, la7910TA 8659schema pe care am primit-o de la tv1, caruia ii multumesc pentru amabilitate, nu corespunde aproape deloc cu ce am eu.as avea nevoie de tensiunile pe pini la m34300-012sp, si daca se poate o explicatie, scurta, despre cum realizeaza cresterea sau micsorarea volumului. pe ecran afiseaza cresterea sau desc. pe pinul 8 la tda1013 am semnal, dar la pin 7 tda 1013 tens. 0,2V. tda 1013 noumultumesc anticipat, zake Link to comment
zvasile Posted July 26, 2009 Share Posted July 26, 2009 poftiti o schema,vedeti daca e ok Link to comment
Guest zake Posted July 26, 2009 Share Posted July 26, 2009 multumesc, domnule zvasile, dar este aceeasi schema cu a lui tv1. ajutati-ma cu tensiunile pa pini. nu am osciloscop. Link to comment
zvasile Posted July 26, 2009 Share Posted July 26, 2009 uitati o schema care are modelul asta de procesorpoate va ajuta un pic...volum ... pin 10 procesor Link to comment
megabit Posted July 26, 2009 Share Posted July 26, 2009 In pinul 7 al tda 1013B = reglaj volum intre 2v - 5v . Link to comment
Guest Marian123 Posted October 4, 2009 Share Posted October 4, 2009 Doresc si eu schema CONTEC 3782 fabricat in Hong Kong.Va multumesc! Link to comment
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