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Tv lcd led VISION VTTV A3201 cu probleme


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Televizorul avea sonor , ledurile ecranului se aprindeau dar ecranul era negru .Am observat ca T-CONul se alimenta cu 12 volti dar alte tensiuni pe el lipseau .Am incalzit circuitul IC12 smd cu inscriptia pe capsula C5902  (40 de pini ) si a pornit  imaginea dealtfel si tensiunile .In graba recunosc ca nu am putut masura tot pe acolo avand si probleme cu incalzirea in atelier . Nu gasesc pe nicaieri documentatii cu privire la acest T-con si nu as vrea sa ma fac e ras fata de client (posibil defectul sa reapara ).

Ma poate ajuta vre un coleg cu vreo indicatie !

Multumesc.

 

T-CON : MT315A05-5XC-5

placa de baza : COLD CV9203H-Q42

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Nu exista documentatie , doar ce gasesti in DS la integrat .

Daca dupa 24-48 ore de test se mentine functional e clar ca a avut lipituri reci , sau/si un cond in scurt , dar nu poti sti decat in cazul in care se manifesta din nou .

Daca defectul reapare cauti  c in scurt si daca nu este schimbi IC.

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