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Inlocuire selector canale TVC JVC CM 21737-CO1


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Guest mythbuster

Buna ziua!Am inlocuit selectorul functional al unui TVC JVC CM 21737-CO1,diagonala 37cm, cu unul hiperbanda de tipul TECC2989VA15A.Din punct de vedere geometric si al dispunerii terminalelor, cele 2 selectoare sunt identice.Functioneaza aproximativ normal, numai ca anumite programe (nu pot preciza pe ce banda sunt) sar de pe frecventa la pornirea tv-ului.Dupa 10-15 min se prind si aceste programe.Cu selectorul original (care nu este hiperbanda) functioneaza perfect.Ce sfaturi imi puteti da?.Precizez ca nu dispun de aparatura de depanare sofisticata gen osciloscop, vobuloscop, etc.Va multumesc pentru ajutor!

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am intalnit sel samsung tecc2989va15a/b,cu eticheta albastra care sufera de boala asta,ori daca schimbi program+ apar purici iar daca schimbi apoi p- e ok.o solutie ar fi sa incerci cu tdq 3 catv,am constatat ca merg mai bine

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