My Visio 42" LCD TV has this problem. The bottom right portion of the picture is blacked out - the blacked out
section has the shape of a rectangle - the area blacked out represents about 15-18% of the total picture area.
Hello! I have a 32" Vizio LCD...within 30 minutes of the tv being turned on, black lines start running through the bottom half of the screen and eventually blacking out the bottom half of the tv screen. It also doesn't have anything to do with the ratio as I have tried that. HELP!
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CNETI'm experiencing thin black lines from the top of the screen to the bottom. ... by babes808gpa / January 15, 2010 1:42 AM PST ... lines are about 1/4 inch apart from top to bottom of screen. starts on the right and about a 1/3 of the way toward the ...have the exact same problem, my lcd tv has multiple lines are horizontal it ...
Many Visio tv's have the same problem, and also reversed - picture and no sound. The quick fix is to disconnect the power cord at TV - then hold in the power button (usually found on left side 1/4 up from bottom of screen , located on the side/back of the set. a square button all alone) - hold power button in for 30 1,000 mississippi's, yes, that is what a Visio tech told me and it works. I was lucky enough to have the problem start before the 30 return policy ended at Walmart - decided I did not want a product that obviously has a chip failure coming soon! I exchanged for a Samsung and have not looked back!
Looks like you got a decoder board that may be having issues, Bad connection is one thing but if it clears up over time or a simple restart clears it up yeah that would be a decoder issue right now if things are tolerable I would ignore it but if this is under warranty by all means bring it in. Your going need a new decoder board. Thanks using fixya.com please do rate my solution thanks.
I would guess a cable connected to the LCD panel of the TV.
Left Side and Right side of the picture each has a Flat Cable that supplies voltage for that half of the picture.
I would guess that one of the cables is bad or loose.
It is also possible the LCD Panel has some defective part.
I would contact Dell requesting Warranty Repair. If out of Warranty, you can open TV and try reconnecting the wires to the LCD Panel. Specifically, LVDS cable to the Control PWB and the Flat wires from the Control PWB.
CONTROL PWB: This PWB is usally mounted to the upper middle portion of the LCD panel beneath a metal shield. This PWB Provides the signal for the LCD Panel picture.