Question about Sharp Aquos LC-42D62U 42 in. LCD HDTV

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Green vertical lines

My Sharp "LC-42D62U" periodically (but now for an extended period) displays green and red vertical lines across the screen regardless of whether the TV, satellite, or DVD is being watched.

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  • portagent Oct 07, 2008

    my sharp lc-45gd7u is almost 4 years old now and recently notice several horizontal and faint vertical lines across the screen. To count there are probably about 60 x 1.5 inch little bars every where.
    It is hooked up to a Denon AV reciever but switched it to dish direct and same result.
    What gives?
    thanks Louis




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  • 14 Answers

Possibly needs a new control circuit board or lcd panel

Posted on Jul 25, 2008

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Bad LCD Panel very expensive to fix. if it is under warranty or if you bought an extended warranty use it to have the set fixed.

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Could be dust on a circuit board...blow out the insides with clean air. If not, you can't fix it yourself...internal problem for expert!

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1 Answer

My 52 inch sharp aquos has green and black vertical lines across the entire screen


Try different source like VCR, DVD, or satellite to see if it is the source thats bad.  Check to see all your connections are on good and tight.  If still no luck, then your tele is fu.k.d and you got bad LCD crystals or faulty inverter.  Take the thing back to the store for exchange or refund if your within your 30 day window.  Call the manufacturer if your within your 1 year window.

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Sep 28, 2009 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

Shadowy lines


sharp has a problem with this model-try to turn the contrast down to cover up
or you can contact sharp-good luck they will not support their own product
next time you buy a tv get the extended warranty-there is no more quality in todays tvs
sorry for the bad news

Sep 02, 2009 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

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try to go to the factory reset and see if that helps. If not, you can then check your connection. if you use component (red, green and blue for video and red and white for audio), make sure all the color matches when you plug it in. if everything have been checked then you need to replace the main board and it should correct the problem.

Jun 22, 2009 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

I have a sharp aquos 52" with a thin vertical red line in center


If you have a thin line running down the screen, you may be looking at a service issue right off of the bat. Here is a few things I want you to try before calling sharp, 1. Reset the unit from the setup menu
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1 Answer

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Warranty still alive?
Hope so; the problem could be an expensive one.

The screen appearance is controlled by allowing light from a backlight through by turning pixels off and on.
This switching is done by a matrix that turns on vertical and horizontal pixels of the right shade at the right time to produce the image you see.
One of the control elements for the vertical that controls the transmission of green light from the backlight, has died (no longer switching off and on when told) and these are normally a part of the LCD screen assembly itself and not easily replaceable.

I would be talking to Sharp - this shouldn't happen in 6-7 months of use.

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1 Answer

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The unit has bad drive ic's,which is part of the lcd panel.It is not cheap to fix.

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