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leo 17

tv crt akai model ctw 2808 et-pip

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am un tv de reparat modelul mentionat si am probleme cu sursa nu scoate nici o tensiune pe secundar ..circuit 44608p40..in sursa mai e un circuit mc 33260p si un mosfet 3545 ce face acest circuit in sursa ?daca aveti o schema sa ma ajutati .va multumesc

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nu am gasit nimic scris de sasiu decat ca e vestel e tv pip

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Verifica/compara ce ai tu cu schema de 11AK33 MC33260 este circuitul/etajul PFC

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Si 11AK19 si 11AK33 au surse aproape identice!! Sursa mica realizeaza PFC-ul !!!!

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la acesta sursa am doar 10 v pe bara de 140 v in rest nimic

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am scos mcr si am 115 v pe bara de alimentare ,nu se regleaza tensiunea de loc ..

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115v e ca putin daca tubul e mare!! Totusi fara mcr porneste tv-ul? Apare rastrul/imaginea daca bagati antena?

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tv a pornit fara mcr cu imagine si cu sunet ,tensiune 150 v reglabila

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deci problema e mcr 22 ....cu ce echivalenta il pot inlocui ?

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la acesta sursa am doar 10 v pe bara de 140 v in rest nimic

Toate sursele cu tiristor au tensiunea alimentare final linii in st-by; mica!! De ce? Ramine sa descoperiti dvs!!! :da

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