hello all. i have a soljet xc 540 love the printer hate roland corp. as u all know they just want you to replace boards so they make big buck and us little guys cant afford that. so i see alot on here about the f1 fuse blow and the cy/mg heads go down. i have the tech manual and checked everything. even replaced c4131 transistor on A bank. now i have a bad head assembly power supply. that little chip that screws u up. roland part is 15119122 it is in slot tr66 on head board. it is a hitachi p channel mosfet j535 on chip anyone have a cross reference for this chip roland wont help as usual and there is no cross reference on line. any help in locating this would be great thanks all.