don't have a pr99, i do have 4 akai and 1 teac r2r decks. and seeing no one else has answered, i'll take a shot.
1-if by 'play' you mean the capstan starts spinning on power up, on my akais that is normal.
2-again, that is normal on my akai decks.
3-not sure what you mean.
4-no idea.
wish i...