How can I test the backlight inverter on my 42" sanyo LCD tv?

deadite21

New member
I've got a 42" sanyo LCD tv that I believe the backlight inverter is bad. The tv turns on and lights up for a second then goes blank. The sound still works channels still change ect. If you take the back housing off of the tv and shine a spot light at the back you can see parts of the scree light up and the picture is there.
 
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