I have a sony 15" lcd monitor thats like 4 years old. One day it would turn on and stay on for a second or two and then the backlight would shut off. You can still see the desktop in the display if you shine light on it but no backlight. I took the sucker apart and started testing for voltage on the inverter and its a real up and down reading and when i move the board around my backlight cuts off and on. My guess is the inverter but I figured i would post here before investing any money into this thing. Thanks in advance for your help.