There are many possiblities to what could be wrong. Here are a few possiblities to what is wrong:


  1. The PSP is bricked. Doesn't mean its hacked, someone could have fucked up while trying to hack it.
  2. The port used to connect to the battery to power input is messed up.
  3. Something shorted/burned out on the motherboard.


Have you tried plugging in the AC Adapter and turning it on to see if it still turns on at all? If it doesn't, its shot and no good.