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bogdan546

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Partea de invertor nu functioneaza .Led-ul albastru in standby ,stins la comanda ON .Am schimbat condensatorii in secundar toti si tensiunile sunt 15v si 5v .Am probat fiecare lampa in parte cu testerul am masurat transformatoarele invertorului si au rezistente identice 1,5 ohmi primar si in secundar 1,35kohmi .tranzistorii mosfet indica asemanator ,tensiunea este prezenta in sursa tranzistorilor.Ce ar mai fi de verificat

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  • bogdan546

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nu am fost suficient de atent la masurarea tranzistorilor si unul este in scurt intre grila si sursa (3,4)tranzistorul este 4502C.Acum ramane sa vad cu ce il inlocuiesc

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