Question about Hyundai ImageQuest DPD4210 42 in. HD-Ready Plasma Television

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Black lines running top to bottom of tv. how do I fix?

How do I fix the problem. We have already had a repairman replace a board of some type but no resolution. We have cable and a HGTV box. what can we do?

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Look for pt 2 also ,

Posted on Sep 21, 2008

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1 Answer

My son spilled milk on the top of the case on the TV. There is now a black line that run straight from top to bottom that is very thin but noticeable. Do you guys think something has burned out? Can it be...


There is a flat ribbon cable that goes from a connecttor on the bottom edge of the screen on the back of the TV(with back cover removed) To a board on the TV. Milk probably got in the connector. The flat cable can be removed from the bottom connector and cleaned with a damp cloth. Put a tissue or paper towel in the connector to dry out the contacts. Reassemble everything and check the picture. If it's ok then close up the case on the tv. If it doesn't change then components on the board the flat cable connects to are bad and the board has to be replaced.

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What causes horizontal line runs bottom to top on LCD TV?


T'Con board fault. Contact any service technician. Before replacing it, the main power supply regulator board to your TV too need a checkup.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/
Be sure all the external input signal cables are firm [without any loose]; too.

Jul 24, 2014 | Philips Flat Panel Televisions

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I have a green line running vertical on my 42 inches lg tv., How do I fix it?


Check its main power regulator board for any damaged electrolytic capacitors. Replace the suspected.

Feb 25, 2013 | LG Electronics 42 in. LCD Tv

1 Answer

How to fix my 42 inch techwood 4210, as it has a black line going from top to bottom?


Hello

If the lines appear after your tv warms up then the problem is from the display board of your tv and unless this board is replaced then the lines will continue to appear.

I suggest you contact a repair person to help you replace your board.

Jun 09, 2011 | Flat Panel Televisions

1 Answer

I have a single thin horizontial black line six inches from the bottom of the screen. how can it be fixed.


Hi.

The line is probably in correspondence of the low Y buffer board, located inside the TV and connected to plasma display. In that case the board must be replaced to fix the problem. One of the symptoms of a defective low buffer board is a black line that starts from the bottom of the TV.

Regards.

Ginko

Apr 25, 2011 | Maxent MX-42HPT51 42 in. Plasma TV

1 Answer

I have a 42JC2D TV. Vertical color bar lines


Hi,
It is hardware issue related to LCD Panel (screen).
Regarding fixing it, it depends if you are handy with electronics stuff repair and can replace circuit boards in tv etc then please check T-Con (lcd controller board) on top center position at rear of lcd panel, this board would be covered with metal shield. Need to take off back cover of tv to get access to T-Con board. If T-Con board does not solve lines problem of screen then LCD Panel is bad and will be replaced.
If you fee uncomfortable doing so then repairman option is better choice.
Hope this info will help you.
Thanks.

Feb 27, 2010 | LG 42LC2D 42 in. LCD HDTV

3 Answers

Thin black line


Try to replace the YSCAN board. If not fix it, then it's the PDP Panel failure.

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2 Answers

Black Lines


My Hitachi TV Flat screen 42 EDT 4 1A has a one inch black line from the top to the bottom of the
screen on the left side. What or how do I fix it. I did blow it out with a air compressor as suggested by a local repairman.

Nov 09, 2008 | Hitachi 42EDT41 42 in. HD-Ready Plasma...

1 Answer

Screen tiling


Depending on the location of the lines, like if they are in a group close to each other, or all over the screen they could be a couple of things.. If they are grouped in a certain quadrent of the screen, one of your buffer boards is bad, they run along the top and bottom of the screen and are cheap and easy to replace. If the lines are all over the screen, mostlikly the main control board is bad and will have to be replaced.. If that dosent fix the problem then your panal is shot.. Good luck.. Cheap parts on ebay.

Mar 11, 2008 | Akai PDP-5016H 50 in. HD-Ready Plasma...

7 Answers

Hyundai 42inch plasma tv


If these are thick black lines, this is most likely line frequency noise entering the set. you may have a leakage from the DC ground on the secondary side of the powersupply to the AC side, or a bad filter capacitor(s). Most of the time it is the filter caps that give these types of problems. If you are connected to cable TV service, or an outside antenna you can also have this problem from an AC ground loop return. Also if there is a device such as a VCR connected to the TV and it has problems, it can cause this as well...

Mar 20, 2006 | Hyundai ImageQuest DPD4210 42 in. HD-Ready...

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