Question about Proscan 42LED55SA 42 in. LCD TV
That sounds like either bad T-CON board or main board, need real in-depth troubleshooting.
You can the parts here:
I hope it is still under warranty.
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Posted on Dec 30, 2010
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Posted on Jan 02, 2017
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