computer audio whine

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I have a raidmax case and after having to pull the front off to fix an
intermitting audio out jack, I found the USB and Audio grounds were
tied together on this litle PCB. The PCB has 2 USB and Audio In and
Audio Out jacks. I used a box cutter to cut and isolate grounds. The
forever whine I've heard is completely gone. The audio is so clean I
can't even hear a hiss.

Harry

[Arny Krueger]

> wrote in message

> I have a raidmax case and after having to pull the front
> off to fix an intermitting audio out jack, I found the
> USB and Audio grounds were tied together on this litle
> PCB. The PCB has 2 USB and Audio In and Audio Out jacks.
> I used a box cutter to cut and isolate grounds. The
> forever whine I've heard is completely gone. The audio
> is so clean I can't even hear a hiss.

Good show!

Moral of the story is that the chassis (case) wiring of some computer
hardware was designed by absolute idjiots.