The logic board is a small motherboard (also known as the main board) containing the internal circuitry of the iPod and features many chips and various components responsible for much of the functionality of the device. The logic board most frequently becomes faulty when after the iPod becomes exposed to liquid or static electricity.
Common signs of logic board failure include:
✓ Dead iPod
✓ iPod overheats
✓ iPod becomes extremely hot during charging