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Eurocolor 11ak30


Guest neluras

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Guest neluras

defectul se manifesta in felul urmator.Dimensiune f.mare pe verticala.Tens.de alimentare corecta 26v.Tens.15 v de la pin 6 trafo linii buna.Tens 8v care intra in Q606 in colector buna. Finalul cadre TDA8174AW se incalzeste.Am schimbat bobina deflexie,am schimbat finalul am masurat toate rezistentele,aceeasi poveste.Astept un raspuns.Va multumesc.

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Tens.normale in functionare BV IC6oo TDA 8174 sint :p1-12v3,p2-26v8,p3-4v8,p4-6v9,p5-4v3,p6-masa,p7-5v4,p8-6v2,p9-4v3,p10-26v6,p11-1v4.Ptr. a evita orice suspiciune in depanarea Bv schimbati cu elemente noi:c641-10mf/50v p5,c610-100mf/50v flybek p11,d602-1n4007,Vout-c604-10mf/50v,Vamp-c603-1mf/50v,Vlin-c644-1mf/50v,c616-100mf/25v si val r631-1,5k critica.Tens pe bobina BV Vout1-2=1/2aprox din Vcc-26,6=12,3v.Intrebare:a umblat cineva in meniul service din greseala sau din auzite fiindca asa se practica ,una -doua se intra in meniul service si nestiind ,modefica parametrii Titanium-ului

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