Chosen Solution
i replaced the battery and the head set and the hold switch with your help . Now i still have no sound out to head set . still dont know if i have sound out of the usb port to a ipod home set .
Recheck the headphone jack connector into the logic board. If that doesn’t fix it then your logic board is probably messed up, which means you will have to replace it: iPod Video (30 GB) Logic Board
