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

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Is there a recall warranty on a sharp 70 inch tv screen

Have a vertical blue line across the tv screen.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: green vertical line on the right side of screen

I bumped my screen by accident recently and now have a similar problem (multiple vertical and horizontal thin lines). I was told that the screen is now bad and probably cannot be repaired. The cost of replacement is more than the cost of a new set. Sorry, but that may not be the answer that you are looking for.

Posted on Dec 10, 2007

freetek
  • 5568 Answers

SOURCE: green vertical line on the right side of screen

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.

Posted on Jul 09, 2008

  • 14 Answers

SOURCE: green vertical lines

Possibly needs a new control circuit board or lcd panel

Posted on Jul 25, 2008

  • 346 Answers

SOURCE: Blue horizontal and vertical lines

poor convergence

Posted on Nov 12, 2008

  • 1779 Answers

SOURCE: Sharp aquos has green and white vertical lines

You must contact a svc co. This is a upper or lower buffer board problem and possibly a control board. Nothing you have done wrong, it just happened.

Posted on Feb 28, 2009

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Vertical lines across my entire screen


My 42" Samsung Plasma HDTV HP-R4252 has a 2" vertical strip of green pixels down the right side of the screen.

My 3 year warranty with Circuit City expires in Nov 2008.. so I hope I'm covered.. can't call until the morning.

Samsung said it might be a logic board problem.. but they want almost $2000 to fix. I might as well buy another TV if Circuit City can't fix it.

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Blue line on TV screen


Hi

Your TV has a vertical fault. Based on your description, chances are that it is the vertical IC that went bad. It is relatively a simple repair job and any person with basic familiarity with electronic components and circuitry and soldering would be able to do the job. Should you venture to do a DIY please be reminded of the standard safe practices involve when working inside a TV unit.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

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Television has no picture


That TV uses the PTK195 chassis, and the fact that you see only a thin line for each color near the bottom of the screen tells me your vertical output IC has stopped working, and is putting a small DC voltage across the yokes. I have seen this caused by a defective vertical output IC and I have also seen vertical problems caused by a small CRT coolant leak which drips onto the main board near the vertical output IC. If you do not have experience servicing the PTK195 chassis than have a qualified tech handle it for you.

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