TheMaze Member VAPS Joined Sep 24, 2012 Messages 685 Reaction score 2 Location Seattle, Washington Feb 16, 2013 #1 So I'm still tinkering with my Ms Pac-Man, I just re-capped the PCB (but not the linear power supply) and I still have audio hum. Is audio hum just expected on these? It's not objectionably loud, but it's definitely there.
So I'm still tinkering with my Ms Pac-Man, I just re-capped the PCB (but not the linear power supply) and I still have audio hum. Is audio hum just expected on these? It's not objectionably loud, but it's definitely there.
oppolo Well-known member Joined Apr 23, 2009 Messages 1,537 Reaction score 164 Location Illinois Feb 16, 2013 #2 It's coming from the AC attached to your board it's normal
OP OP TheMaze Member VAPS Joined Sep 24, 2012 Messages 685 Reaction score 2 Location Seattle, Washington Feb 16, 2013 #3 oppolo said: It's coming from the AC attached to your board it's normal Click to expand... If I re-cap the power supply, will that resolve it? Or is the only way to resolve it to switch to a switcher?
oppolo said: It's coming from the AC attached to your board it's normal Click to expand... If I re-cap the power supply, will that resolve it? Or is the only way to resolve it to switch to a switcher?
Fudd Active member VAPS Joined Jun 5, 2006 Messages 2,382 Reaction score 13 Location Kalamazoo, Michigan Feb 16, 2013 #4 repinning the edge connector fixed mine..