Sony A5012847A, Main board XBR49X950H

Sony A5012847A, Main board XBR49X950H. IMPORTANT : NEW MAIN BOARD1.Install new board.2.Power on TV, wait 2 minutes (TV may boot up normally, have blank screen, may be flashing green/amber or white/red, may hear setup sound).3.AC cycle new board if did not boot up normally