An iPod, no matter which version you have, is basically a self-contained, battery-operated, pocket-sized computer. All the components that a regular laptop has are represented: display, battery, storage, RAM, and logic board. This is what makes the iPod something easily fixable: the pieces are just scaled-down versions of their PC analogues, and are put together in the same basic way. This means if you can isolate your iPod’s problem, you can fix it.