Pictured below are the capacitor locations and values for Apple iMac G5 iSight Mother Board 820-1766-A motherboards.
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Note that there are at least two different iSight G5 models with different logic cards. Take a look at this one to confirm which model iSight you have.
Click the following link to purchase the iSight Mother Board Capacitors Kit.
Here is a down-loadable procedure for G5 iSight dis-assembly which can take you all the way down to and including the iSight motherboard removal.