Broken backlight - any repair guides out there?

Hi. Backlight is broken on my 12" G4 Powerbook. I can barely make out what's on the screen, but it appears fully functional.
What to do? I found that it can be the display inverter, and found a such on pbfixit.com. Can it be anything else?
I'll try and repair it myself, so if anyone have experience in doing so, I'd like to hear about it. I guess that I'll have to remove the LCD from the powerbook, and then open the LCD and replace the display inverter - but I'm just guessing and would like confirmation.
Getting it repaired at an Apple shop is not an option, too pricy and I expect new Intel Pb's to be around the corner.
Any tips greatly appreciated.
Morten

I think this is what you need: http://www.pbparts.com/shop/a123i.html
It bothers me, that I have not been able to find confirmation that the above part is different from the one used in my (1GHz) 12" Powerbook - http://www.pbparts.com/shop/a12di.html
If they're the same for the 1GHz, 1.33GHz and 1.5GHz models, you don't risk anything buy buying one off of ebay for $50 less. For example: http://cgi.ebay.com/LCD-Backlight-Inverter-for-Aluminum-12-Powerbook_W0QQitemZ58 64981242QQcategoryZ14909QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
I've tried getting in contact with the seller on what model the inverter is for, but reply. I'll buy one from pbparts.com.
Best of luck.
Morten

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