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westwood tv china


maricelTECUCI

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acest tv are imaginea ingustata vertical am schimbat ci la78040 condensatorii de pe tensiunea +15-15 am reglat din service mode dar degeaba va multumesc daca imi dati un rospuns

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osciloscop nu detin am verificat si 16.9 4.3 de pe telecomanda aceiasi problemaare imaginea ingustata pe vertical se vede mai mic ca 16.9 in vertical am verificat piesa cu piesa inclusiv bobina deflexie =service mode memorie

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am scris ca am verificat inclusiv deflectia punind alt ecran am schimbat toate piesele prin incrucisare de la alt tv la fel care functioneaza corect curios lucru catensiunile care vin din procesor spre la sint la fel la ambele televizoare

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  • 3 weeks later...

da defect deflectia avind 30 omi dar punind alt ecran avea tot aceiasi deschidere pe ecran dar acum se putea regla si am micsorat valoarea rezistentei care vine de la masa spre deflectii multumesc pentru ajutor cred ca asa la cumparat

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