Hi everyone help me, i have problem with korean amp, momentum 5K, after final repair and test every 1 minute amp goes silent, green led normal, all voltage normal, but voltage an freq for mosfet final cutt off, what solution for this problem.
Thanks.
Thanks.
When all operation normal voltage to gate final 4.5vdc 55khz, when cuttoff only this voltage lose.
Did you read this thread:
https://www.diyaudio.com/community/...00d-drive-cuts-out.389824/page-5#post-7124198
The problem was a transistor in the mute delay circuit.
https://www.diyaudio.com/community/...00d-drive-cuts-out.389824/page-5#post-7124198
The problem was a transistor in the mute delay circuit.
Yes i read that tread, ok i chek one by one, and try switch CE mute transistor. Thanks perry.
I posted the closest thing I had in post #9:
https://www.diyaudio.com/community/threads/hifonics-bxi-6000d-drive-cuts-out.389824/post-7112019
https://www.diyaudio.com/community/threads/hifonics-bxi-6000d-drive-cuts-out.389824/post-7112019
Result, Amplifier succesfull replace D1303 with new one thanks very much perry🙏🙏🙏