Starterware/BQ25570: ultrasonic generator box 15 khw

HI Rajkumar,

Could you please clarify your question more?

Thank you,

Joe

in nonwoven bag making machine 8 ultrasonic sealing there is horn it vibrate in frequency 15 khw it generate by 300 volt dc and ten transistor of 2sc 5570 amplfie frequency and 170 volt frequency goes in transformer and coil and then throw condenser and finaly to horn you send you email or watts app no so I can send you diagrams and photo but its always gives problems circuit is old