How to fix Audigy 2 ZS line out failure ?

I have a Dell Dimension 8400 WinXP system with an Audigy2 ZS sound
card. One of the line outs (the second of the three) has suddenly
failed. How can I pinpoint the cause of the failure, and will I need
to purchase a new soundcard?

The exact port that failed is the fifth hole on the back of the card,
if one is counting from the left on a pic such as the one at
http://www.digit-life.com/articles2/...-zs/index.html. It
is the middle one of the three line outs.

Thanks in advance.




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