Question about Philips Magnavox 42MF521D/37 Television

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Vertical line on screen

My magnavox 42" lcd tv [only 30 days old]now has a line vertical like a lighting bolt.It is not a soild line and can only be seen with certain backgound colors like blue sky or light colors.Any body no what this might be everything else is great picture. thank you

Posted by wayne weimer on

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Sreejith Bhaskaran Nair

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Hi, This is a problem that's far too common among flat-panel and projection LCD TV's?and it's generally known as "vertical banding." If the lines are there all the time or intermittent but in the same location it is an indication of a bad panel. The panel driver can also be the cause of this symptom. Samsung panels have had issues with the connector that carries the LVDS signals to the panel itself, this is not serious and can be resolved and little cost. These faint vertical bars (often most apparent when the screen is totally dark or displaying a solid background, like the sky) are defects that occur during the manufacturing process, and while the worst offenders are typically screened out, many more make it to store shelves. Since you've pinpointed the banding and it's driving you nuts,also its under warranty, call the manufacturer and demand a replacement; in most cases, they'll capitulate and send you a new set, although you'll probably have to go to the trouble of packing and shipping back your defective TV (make sure the manufacturer covers your shipping costs). Regards sreejith

Posted on Jul 30, 2007

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