[G4] No sound

[Brian Silverio]

You might try something like this:
http://www.radioshack.com/product.asp? 
cookie%5Ftest=1&catalog_name=CTLG&category_name=CTLG_002_001_019_008&pro 
duct_id=270-054

Do you have stand alone speakers that you can plug into the same  
circuit?  If they work it might give you more information.
Another alternative is to run the stereo from the same electrical  
circuit.

Brian

On Apr 22, 2004, at 3:03 PM, zhmmy harper wrote:

> G4 Yikes/100 gig HD/1 gig RAM
>
> An electrician installing a new circuit apparently caused a ground  
> loop.  I play music through my stereo andI think a ground loop fed  
> juice back through my sound out (1/8" mini) apparently frying part of  
> my logic board.  This is an old house with 2-wire and he installed a  
> 3-wire on the new circuit.
>
> When I start up there is no startup chime.  Instead there is very loud  
> static.  The static continues until the startup bar starts, then  
> quits.  The rest of the startup is normal.  Nothing else seems to be  
> affected other than there is no sound.  Can't play music CDs or  
> onboard mp3 and there are no alert sounds.  CDs and DVDs open and  
> play, but no sound.  Soundjam and iTunes work as usual, but no sound.
>
> Both OS 9.2.1 on a seperate drive and OS 10.3.3 are affected the same  
> way.
>
> I guess my question is:  If I use a PCI sound card will I have sound  
> out from the card, or do I have to replace the Logic board?  Also,  
> could this be something other than the logic board, such as something  
> between the logic board and the sound out mini-plug?
>
> Zhmmy