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Tvc Serreno Ser21n-a8

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Am chinazaria din titlu-scoate tensiuni mici, U in loc de 110v am 40v,in loc de 26v am 9v,in loc de 11-13v am 2-3v,am verif condensatorii, am inlocuit diodele 1n4148 ,am inloc tz din partea primara,am inlocuit optocuplorul,am verif semireglabilul,am verif rezistorii.Deci nu am U de 11v din care face 5v ptr memorie si procesor.Poate mai are cineva vreo idee.

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Verifică tranzistorul din driverul linii , cel final linii , prezența tensiunii B+ la traful de linii , condensatoarele de pe B+ , prezența tensiunii la primarul trafului driver linii , și impulsurile de comandă in baza tranzistorului driver linii .

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