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catalin004

Daewoo CP315

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Salutare....am lipsa pureci pe ecran.....jungla se alimenteaza.....la marire ug2 apare cursa inversa si imaginea alba....posibil defect an5862k?

mentionez ca la iesirea rgb jungla am semnal pe osciloscop....

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pin 25  - 0.3V

 

pe pin 21 am 0,26V.....nu cred ca este acelasi defect

Edited by catalin004

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Am schimbat jungla si face la fel....nu apare nici osd si nu ia nici o comanda de pe telecomanda si nici de pe panou....suspectez procesorul...

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tensiunile pe selector cum sunt?....lipsa pueci inseamna lipsa semnal radiofrecventa...deci o suferinta in selector...

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nu- imi ia nici o comanda....nu ar avea treaba selectorul cu asta....plus ca nici macar nu intra in st-by....nici comanda de av (care iar nu are treaba cu selectorul)

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Verificati  stabilizatorul  I 803 (+ 5v ) = bara de 5volti !!

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tensiunile pe selector cum sunt?....lipsa pueci inseamna lipsa semnal radiofrecventa...deci o suferinta in selector...

lipsa pureci inseamna ca nu lucreaza calea comuna ,fara tuner trebuie sa fie pureci,verificati pinul stby al procesorului,daca nu ma insel pinul 41,in stby 5v in on 0v,in cel mai rau caz trebuie sa porneasca cu acest pin la masa

Edited by iuliantv

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Deci eu nu inteleg ce treaba are tunerul cu purecii atata timp cat eu nu am nici OSD sau AV!!!!! O sa verific partea cu on si off pin 41

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''Miroase'' a PCA84C(procesor).....defect ;dupa simptomele spuse de dvs!!!

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Am pus astazi altul nou....face la fel...am pus pinul 4 de la comutatorul video la masa si au aparut purecii....se pare ca am tensiune 2,6V pe acel pin...   :tryre

Edited by catalin004

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Eu din pacate fiind plecat nu pot sa iti dau dump.

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