Question about Vizio GV42L 42 in. LCD Television
Recently our Vizio TV started to act wierd. Sound, chanel changing and power is all normal. When the unit is turned on the screen images are normal, but the color of everything is like looking at a photo negative. After leafing the unit on for 5 minutes the problem went away. Then ten minutes, then 20, 30 and now no matter how long you leave it on, it never corrects itself. I'm pretty handy with small electronics. Im just trying to narrow down my first move. I can get a replacement video controller card for about $65, but from reading a lot of the postings here it seems like the main board is a likely culprit. They are about $120. Any suggestions would be appreciated.
Find the LCD Controller board (TCON). Disconnect the cables from it to the LCD panel. Carefully re-connect them. Make sure the cable is properly positioned in the connector. You may have to do this several times to get it work. The flat cables are a problem.
Posted on Feb 23, 2009
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Posted on Jan 02, 2017
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