Melvin Nipper answered question 2/19/2011 I have a sylvania flat screen tv that is in standby mode turn the power on the green light blinks 8-9 times then goes back to standby mode. Is it the power supply? My sylvana flat screen is in standby mode turn the power on the green light blinks 8-9 tims the gose back to standby mode. Is my power supply going bad?