Question about Acer X233H 23" Monitor

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Green vertical line down right side of screen probably 1 pixel in width. It showed up after a night on standby as soon as it came on

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You TFT drivers are failing in your LCD panel, not much you can do, you will get more lines as time goes by, more transistor for driving the TFT will fail.
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Posted on Jun 07, 2010

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How do I remove three vertical colored lines from my Television. One vertical line is green another is red and the final one is blue.


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

May 24, 2015 | Panasonic Viera Tc-p50u50 Hd Plasma Full...

1 Answer

2 thin vertical blue lines, near center and right side. Do i need to replace LRC buffer boards. Z50p3 50 in plasma.


By thin line I assume its one pixel in width. A single pixel wide line is an indicator of a defective panel.

Oct 30, 2013 | Zenith Z50P3 50 in. Plasma TV

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I have a LG DU50PX10C with a black vertical line


Plasma televisions have anywhere from 24 to 40 drivers that control the individual rows of pixels comprising the screen. Should any of those drivers fail, the screen will display a 2 or 3-inch black vertical line, and probably shift the image to one side or the other. Driver failure is considered a manufacturing defect, and is not preventable by the owner. In some instances the line can be caused by faulty pixel ribbons that run top to bottom, either faulty of just loose in their connectors etc.


Then there are Stuck Pixels, Pixels become "stuck" due a failure to turn on from its standby state. Occasionally, these pixels die in rows, spanning the full height or width of the screen, or be only a few inches long. These "dead" pixels can turn on randomly, or stay a different color other than black. This is an issue caused from the wire filaments inside the panel failing, or an offshoot from a driver failure. Impact to the screen can cause a row to stick as well, even if there is little to no external indication of damage.


However, in most cases, inspection by an engineer is usually necessary to diagnose exactly what has caused the fault, unfortunately this can be an expensive prospect, not to mention the potential for a painful bill for the repair alongside the inspection fee. If your TV is in its warranty, don't hesitate to claim on it.
I hope this helps you, or at least gives you a better idea of what you potentially could be facing. Good Luck.

Jun 17, 2012 | LG 42PX5D 42 in. Plasma HDTV

2 Answers

Vertical red line through screen


This is a problem within the screen, probably the connection from the internal ribbon connector to the display. Unfortunatly the only way to repair this is to have the screen replaced.

Dec 26, 2009 | LG 42LC2D 42 in. LCD HDTV

4 Answers

A fine green vertical line displayed on the Sony Bravia 46.


Thats a pixel data problem, there's no data being sent to that row of pixels so they don't change color. This is a pixel address registry (PAR) issue and the PAR circuits need to be serviced its usually due to open or shorted SMT components on the PAR circuits. PAR also sends data, voltage, and control to each pixel, the green line you see are pixels that have voltage but because there's no data sent too them their all green because there's no control. If the pixels have voltage but no data or control they show up as green red, blue, yellow, or whit line vertically down the LCD panel. The vertical-horizontal section of PAR are controlled by 16 to 32 bit micro-controllers which may need replacing. If its under warranty take it back if not have your local repair center fix the tv for you...


Nov 09, 2009 | Sony BRAVIA KDL-40S2000 40 in. LCD HDTV

1 Answer

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.

Jul 09, 2008 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

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.

Apr 19, 2008 | Samsung HP-R4252 42 in. Plasma HDTV

3 Answers

Green line


sharp is very aware of the panel and main video processor problems.They should give you no problems on the repair.It sounds most likely you have a main video processor problem.

Mar 13, 2008 | Televison & Video

2 Answers

Vertical, pencil-thin blue line appears after 10 minutes of viewing (any source)


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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