hi idk if this is the right selection but my psp sound is gone i bought the psp for a 5£ and it had no sound i found out it was chipped i belive its model 1000-2000 idk it shows when i click the sound button pop rock heavy ect i think that only happens if got headphones in also if i put headphones in no sound but if i put speakers in it it go's brrr and i hear a bit of the music (quietly) i thought if i updated it itll get unchipped and bricked but may repair so is there any help?