search schematic minelab musketeer or identify component Q3 on pcb board

[ashefr10]

hello, a friend burned a component on a detector minelab musketeer, someone can it tell me what is the name on the photo it comes the Q3 component, it must be a transistor but what is its reference. thank you. I leave you with pictures.

[Silver Dollar]

It's probably one of these;

[ashefr10]

It's probably one of these;
[ATTACH]30403[/ATTACH]

ok thanks siver dollar , BC547 ou BC557 ? PNP or NPN ?