Question about LG DU-42PX12XC 42 in. Plasma HDTV

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Vertical lines on exactly the left half of the screen


My LG RZ- 42PX12X is showing vertical lines on exactly the left half of the screen.
This even occurs when no input is suplied.

Problem does not occurs always.
Sometimes the left side goes black, sometimes vertical stripes and sometimes to normal outpu.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Vertical bar on Daewoo Plasma screen

YES YOU HAVE DRY JOINTS UNPLUG FROM POWER SUPPLY REMOVE THE BACK/ INSIDE YOU SHOULD SEE AT THE BOTTOM SEVERAL RIBENED CONECTORS FROM THE SCREEN ITSELF? UNDERNEATH YOU SHOULD BE ABLE TO SEE 2 OR 4 COMPONENTS CAREFULLY APPLY A HOT SOLDERING IRON AN SOLDER THE ONE THAT YOU ARE HAVEING PROBLEMS YOU SHOULD NOW HAVE FULL PICKTURE AGAINE ANY PROBS email me andymay2@msn.com

Posted on Mar 23, 2008

  • 2 Answers

SOURCE: philips plasma tv vertical black stripe

Hi
If there is no picture behind the stripe and the edges are well-defined, then one of the display driver ICs has failed. Philips displays can be made by several manufacturers - usually Samsung. The ICs are bonded to the flexible ribbon in most cases, and replacement is an expensive specialist job - and in many cases is simply not possible.
A shadow on the picture is much better - usually due to interference.
Glyn

Posted on Jul 22, 2008

DRACO A5OG
  • 22 Answers

SOURCE: Vertical Red Line

Fixed!

Spoke with PartStore.com, rep stated 6871QCH038C (038C) is the superceded replacement for the defective prone OEM 6871QCH038A (038A). They and others offer the 6781QCH060Q (060Q) for $50 - $100 more. I opted for the 038C, but I was concerned about the title of the part which states "HAND INSERT"... PartStore.com rep stated it is in fact a board and there is no soldering needed, just "plug and play". DONE, paid only $120.95 + next day shipping for $29.95.

Since I took the TV apart before, it was a breeze and took about 2 hours, start to finish.

Important note, remember to remove the two 1" square spunge type heat sinks/pads the new board needs those for a proper installation and protection of the certain component.

Also you need two small zip ties to replace the ones you are going to clip off.

Added Bonus, the new board fixed other issues:

1. At times I would get a squeegly red line go across the screen. I thought it was the source (cable) but it is gone now.

2. Screen Shift, when I use the XBox for Games or DVD/HDVD the screen would shift. Very annoying, prior to swap out, recently the screen started to shift watching cable. Now it is no-longer an issue.

I am really pleased with my DIY repair and wanted to share.

The damn Vizio Out of Warranty Service wanted $360 for a service call which included the part for $125 plus they take my bad board for exchange.

6871QCH038C $120.95 http://www.partstore.com/Part/LG+Electronics+Incorporated/LG+Electronics%2fZenit h/6871QCH038C/New.aspx
Over Night Shipping #29.95
DIY FREE biggrin.gif

Posted on Dec 31, 2008

TODDAS
  • 431 Answers

SOURCE: We have a vertical black stripe about 2 1/2" wide

ck x board ribbon cables

Posted on Feb 14, 2011

  • 10 Answers

SOURCE: LG DU42PX12X - red and pink vertical lines.

I know this post is old,
But I had the same problem.
I was able to fix it.
Heres a write up I did on the "How To".
I added pictures and diagrams too.
http://jasonkoller.blogspot.com/2011/02/lg-du-42px12x-plasma-tv-fix.html

Posted on Feb 18, 2011

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1 Answer

My LCD TV has a vertical line on the right side of the screen. What causes that?


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Jan 26, 2016 | Televison & Video

1 Answer

Any advice on what board I should replace if the left half of the screen is no good, just showing white and black vertical bars? Right half is fine. Is the panel kaput?


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.

Sep 29, 2015 | Panasonic TH-37PH9UK 37" Plasma Display -...

1 Answer

LG DU42PX12X - red and pink vertical lines.


I know this post is old,
But I had the same problem.
I was able to fix it.
Heres a write up I did on the "How To".
I added pictures and diagrams too.
http://jasonkoller.blogspot.com/2011/02/lg-du-42px12x-plasma-tv-fix.html

Jul 22, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

2 Answers

Isee half the screen the other half is black and colour vertical lines.(42) Can that be fixed? How much? This is asecond time that happens.The tv is lg model du-42px12x. Tell me of is worth to fixed or not


FIrst of all this is a plasma set and thus does not have a "convergence" board. This could be as simple as a bad cable connection inside the set or a failed supply for one half of the plasma panel. If the unit is no longer under warranty. try removing the back and reseating all of the cables and connectors. Since the signal levels are extremely small inside, it doesn't take much to cause a problem.

Update this with your results and we'll continue as dictated by the results.

Dan

Aug 25, 2009 | LG KU-17WDVD 17 in. TV/DVD Combo

1 Answer

Vertical lines on LG-DU-42PX12X


please change vertical ic oc decosition coil solderd

Aug 07, 2009 | LG RU-42PX10 42 in. HD-Ready Plasma...

1 Answer

Left Half of the screen is not working


you have a problem with your "buffer" boards inside your tv. there are several different ( 4 or 5
) ones inside. it may also be your controller board, only a tv service technician will be able to answer this question after a look see

Jan 22, 2009 | LG DU-42PY10 42 in. Plasma HDTV

5 Answers

Were can I get this board 6871QCH038A


the actual problem are the solder balls under the chip it can be fixed easily by reworking it, we have done it in a few dozens tv so far with excellent results the usual problems are: red vertical lines , one half of the screen not working, color lines and it usually cost only the time to perform it.
azhdtv at 85040

Jul 16, 2008 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

Lg plasma screen half not showing lines


There is x driver board at the bottom of the set that needs to be replaced along with its x sustain. a realatively complex project.

Jun 25, 2008 | LG 37LP1D 37 in. LCD Television

1 Answer

Vertical lines on left half of screen


The problem is the driver tabs that go from the panel controller board to the panel itself.

This is normally a fatal failure since having it repaired is extremely expensive.

Mar 17, 2008 | Dell UltraSharp 2001FP 20.1" LCD Monitor

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