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GOLDSTAR MODEL 20E20B


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mc41b proc GS8434-03a(ambele proc fabricate de firma Mitsubishi).Elemente componente:sursa str6707+tr D2092,optocuplor +amplif. de eroare se110n::memo 24c02:: cadre ta8445::jungla ta8690::decodor matrice rgb Ta8750::video sw ia7222::sunet tda2006;; trafo linii 154-177b.TV a primit un soc de curent am schimbat ; IC803=SE110N ;IC802=STR6708 ; Q805=C3852;OPTO =TLP721 ; TV-merge dar alb negru ;cind pun aparatul si masor pe pini de intrare in ecran unde am 121v-124v imi apare pe imagine persoanele si obiectele conturate adica cand pun pe R-imi apare contur rosu B-albastru G galben ,din matrice TA8750AN imi vin tensiuni pana la montajul de pe ecran RY=5,7 BY=5,6 GY5,8 iar de la traf 187v ,GNDsi tensiunea de filament sunt buneNU am schema tensiunile sunt scrise pe cablaj,cind reglez cu surubelnita din semireglabili de pe ecran imi apare dar separat cate o culoareva rog sa ma ajutati cu o schema: ar putea fi TA8750 ?

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