Chosen Solution
Vertical think Blue line running down the right side of the T.V.
@bmilleythat sounds like a failed TAB on the panel. Disassemble your TV and put some pressure on the top of the LCD where the flat ribbon cables enter the LCD. See if that changes the line. It is also possible that it is a bad T-con board issue. I’d replace that before doing anything else.
You can try unplug the lvds connector cable between the main board. Clean it with pencil eraser until it look shiny. or you can clean it with cleaner fluids and dry it Connect them together and test it If it’s not working then your main board is broken. That’s the simple test.
