jos |
Posted: Tue Dec 07, 2010 9:19 pm Post subject: AVRM330 denon 50hz noise |
|
After switching on 50hz sound on all speakers at first disappearing after a few minutes.
Replace defective 6V regulator on small upside down 6v regulator board.
the original regulator 7806 is plastic lip so use isolation with standard 7806
succes |
|