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I have a Sharp AquosLC-70C6500U that had a thin black line running from the left to 3/4 of the panel to the right. The picture was still clear. Now the refresh line scrolls from the bottom to the top.

The color is blurry and the picture is darker than normal. The picture has a line going across the screen from left to right and it now scrolls up the screen like a “wave”.

Posted by James Wiebener on

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1 Answer

Jayesh Panchal

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  • Sharp Expert
  • 280 Answers

Checked Earthing is or not.If Earthing is weak this type of black line will wave.

Posted on Jan 07, 2019

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5 Related Answers

Anonymous

  • 1030 Answers

SOURCE: RCA HDTV blurry

this indications that you have a problem with convergence. first try to go into customer menu...setup....convergence. and see if the convergence will adjust.. if it wont then you have a problem with the convergence cuircit boards.

Posted on Dec 07, 2007

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Anonymous

  • 1030 Answers

SOURCE: 3 curved lines top & bottom/blurred picture

This indicates a convergence problem..convergence power supply probally.. however ive seen 2 other cuicits cause this ..

Posted on Dec 07, 2007

Anonymous

  • 37 Answers

SOURCE: Black lines down page

It must be the black pcu , the cleaning blade picks up dirt and causes these lines , it can also be the black developer giving you trouble , if you want be very carefull aand strip the pcu open you will see the lines only on the inside and not from outside , then you will know if it is developer or the cleaning blade

Posted on Jan 07, 2008

Anonymous

  • 144 Answers

SOURCE: Green line from top to bottom of monitor

Try changing your resolution, if the lines stay in the exact same position (so do not change together with the resolution) this might be a mediacentre issue. Press CNTRL-ALT-DEL and see in the processes tab if ehtray.exe is running. If it is running, turn it of by unchecking it and see if the lines disappeared.

Posted on Jul 08, 2008

Anonymous

  • 45 Answers

SOURCE: Thin Green line from top to bottom of screen

Usually the case with this issue is the LCD panel itself. After a certain long period of time, some LCD panels just bug out and stop working. ( not sure why, possibly the way they were assembled and manufactured. For instance the LCD Panel has 8 connectors ((top)) and 3 connectors ((left)) (((Depends on model)))that attach to the main board of the LCD Panel, and on many occasions the thin lines wear and cut and therefore loosing part of your screen. If i explain further how it works i can write you a good explanation, just message me. That is the issue or the Cable connector from the Video Card to the LCD Panel is faulty. Try replacing that or the line will stay there for a long while then eventually your LCD display will begin to show more lines and eventualy Nebula itself. ( unusable )

You can also try repairing the LCD, in some rare cases the only problem when the line shows up is because of the video genesis card inside the FPD. try swapping that out with a known good one and perhaps that will work otherwise eventually the monitor will begin to stop working over time.

Posted on Sep 12, 2008

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I have a Sharp Aquos LC-70SQ15U that is about 3 years out of purchase.

If you wish to get some details; visit the site linked here. Pull up older posts.
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Thin white line on right side of tv intermittent

The only easy hope here is centering is off just slightly to the left and the line etc will show on certain scenes and or channels.

Not sure if this set has a centering in customer menu or maybe in the tech menu---a call to sharp might answer this for you.
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Thin red line across screen two inches for the top. Picture above line is good, picture below line has no color and double image.

Hello,

IF YOU HAVE A SOLID BLACK LINE RUNNING VERTICALLY THEN YOU HAVE A FAULTY MATRIX INVERTER. IF CENTRAL THE MAIN VERTICAL INVERTER NEEDS CHANGED. LEFT = LEFT VERTICAL INVERTER RIGHT=RIGHT.........

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When using the ADF for scanning to pdf, it creates black lines vertically down the left side of the document. If I use the flatbed scanner, no lines.

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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
2. Unplug the unit for 2 minutes then plug back in. If that does not work. Take digital pictures of the line and call sharp immediately. Make sure you tell the rep you want to sign up for the aquos advantage program that they have(extends your warranty 3 months free of charge!) because that will get you priority service on with your issue. If they cant resolve that line ,9 times out of 10 they will replace the unit. hope this helps you
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Sharp aquos vertical black line

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Thin blue line

I am a Sharp Servicing Technician. You posted this before. Ive got the same model TV as you do LC46D62U. I think the line you are experiencing is simply the broadcast. I notice it on some HD shows that broadcast the side bars. (Always on the Ellen Degeneres Show). Ive taken some picture.

1) Here's the line on the left that i experience
ec62e20.jpg

2) Later on in the broadcast, it goes away.
f7a108d.jpg

One way to check if its a TV problem or not. When the line shows up again, hit the MENU button on the remote. If the line appears to be "behind" the menu, then it is simply the broadcast.
a6f48e8.jpg

If the line appears to be "on top" of the menu or shows right through the menu, then it is a TV problem.

Im thinking the reason it takes hours for hte line to appear is because it only shows up on certain shows or certain HD broadcasts.
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I would suspect a connection breaking down as the set heats up. A shop will probably have to put the set in a stand to hold it while they check for loose connections or defective components inside. Not a DIY job by any means. If this line went completely through the picture either vertically or horizontally and stayed there then this would have indicated a failure in the Panel itself. A thin Line any where on the screen consisting of one pixel in width is a Panel Failure according to Hitachi.
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