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powers up green light comes on and screen has a low glow but no picture or sound

did you try to reset it ? does it show a menu ? i’ve read somethig about a blown fuse inside the tv here is a guide to replace the fuse. there are many problems with that tv set - they all have the same problem as yours

if your tv has a glow that means that all the boards are powered up. try replacing your logic control board. logic control board controls sound, picture and the osd menus.