DLink access point emitting high frequency sound?

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Hello,

I have a D-Link 3200AP which just died on me. And in that regard it started emitting a high frequency tone. Am I correct to assume that its usually inductors doing that?

In any case, I have uploaded a picture of the inductor I can see on the print. I have not been able to find a schematic for the circuit, but it seems to be easy to replace components, so should I just go for changing the inductor? I was thinking though, that for it to resonate at a different frequency than what it was designed for, it must be the circuit around it that's not working properly?

http://img14.imageshack.us/img14/5269/downloadhq.jpg

Thank you
 
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