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Have LG DU-42PX12X plama tv. Problem is color distortion thats intermittant

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  • 1 Answer

SOURCE: Vertical lines all over...have pic

I had the same problem on my DU-42px12xc. Red, green , and blue lines vertically on the right side of the screen. I found a loose solder connection under the inputs board on a resistor. After re-soldering, everything was crystal. I'm happy I grabbed this tv before my work threw it out. Be very careful when soldering SMT components. Use proper equipment. I had to troubleshoot while the tv was on, so I was extremely careful not to short anything out.

I pulled the inputs board out to gain access to the "Y-axis" pins.
41d5250.jpg resistor located under the inputs
fd8bf0e.jpg9d002b6.jpg I started pushing on the resistors 'till the color lines started working correctly, and re-soldered the four resistors.

Posted on Feb 11, 2008

  • 2 Answers

SOURCE: lg television du-27fb32c reset to factory settings

You may need to purchase a programming remote from LG/Zenith part # 6710V00108M. The user remote that comes with the TV doesn't have the MENU button. The manual also listed a programming/cloning box #LT200 by Zenith, I have a cloner box for RCA and it has a reset button on it. I had to download the manual for the same TV from www.retrevo.com they didn't have a listing for the LG but the Zenith has the same model # and is the same TV as far as I can tell. You may be able to access the menu using the menu button on the front of the TV if it is unlocked, the menu buttons on my LG's are locked and I can't figure out how to unlock them so I may have to purchase a programming remote and Zenith cloner box as well. Hope this helps.

Posted on Feb 22, 2008

  • 1 Answer

SOURCE: LG DU-42PX12X Verticle lines of various colors, and widths throughout the screen.

Check within you area for a reliable LG repair center. To fix the problem of the blue, red or green vertical line you just need to replace the control board PN 6871QCH038C. The part cost about $150.00 and a honest repair center should not beat you up to bad on the labor. Good luck and Good viewing.

Posted on Sep 10, 2008

sullivan8733
  • 11 Answers

SOURCE: LG DU-42PX12X

Check the controller board, 6871QCH038A. This board is one layer deep into the assembly after the cover is removed. Gently lift the covering circuit board back plane to access.

To do this direct a blast of cold air unto the large chip in the center of the board. If the picture comes back on then you have found it. This means powering the TV while open and this means danger to the novice. Voltage can end your life when you become the circuit path.

Order Part number 6871QCH060Q as the suitable replacement part to this circuit board.

7060 State Road 84 #12
Fort Lauderdale, FL 33317
(800) 432-8542
Fax: (954) 723-9044

Posted on May 04, 2009

  • 25 Answers

SOURCE: lg tv modle DU-37LZ30 on off indicator light is

Most likely a power supply problem. I recommend taking this to a certified technician and having them look at it.

Posted on Nov 05, 2009

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1 Answer

It shuts off 2 seconds after i power on.


Several possibilities but most common seems to be power supply defect or poor connection. Check these resources. Note that other Youtubes that may address the problem are also accessible from the youtube link.
LG Smart TV Keeps Turning Off then On Again
Lg Du 42px12x shuts down fix
42 in LG LCD TV turns off by itself

May 06, 2016 | LG 42LG50 42-Inch 1080p LCD HDTV

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

1 Answer

While checking Vscan voltages on my LG du-42px12x picture died.


I have the same problem the pic went out but have sound. where do i go to get the Yboard? do i need a special number off of it or something? I took it to repair shop and he said it would be like 500 dollarss to repair. but i see all kind of yboards on ebay for like 150?? how do I know what one to buy?

Mar 15, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

I was just wondering if I could make my LG remote, 6710V00116F, into a universal remote?


A universal remote has a special chip in it that allows it to change the codes for other devices. It should work only on these tvs: DU-42PX12X, DU-42PX12XC, DU-42PX12XD, DU-42PZ60, DU-42PZ60/H, DU-42PZ60H, DU-50PX10C, DU-50PZ60, DU-50PZ60/H, DU-50PZ60H

Mar 14, 2010 | One For All Televison & Video

2 Answers

My TV Screen just turned off, but I hear the sound, have no menu.


MINE DID THE SAME THING ABOUT AN HOUR AGO. I UNPLUGGED THE SKY BOX FOR ABOUT 10 MINS PLUGGED IT IN AGAIN IT WAS FINE

Jan 31, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

Issue with LG Plasma tv model # DU-42PX12X


Another "same probelm"

My set has encountered this magical 50/50 split screen and it seems to be quite a problem since I am not the only one researching this issue. LG was of no use because of course it is just out of warranty. Any solutions on fixing this or am I out of money in buying a new plasma?

Jan 27, 2009 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

Lost video on LG plasma big screen model DU-42PX12X


LG Plasmas and all plasmas have problems with the sustain boards. You can replace them with just a screw driver to remove back and boards.  Try tritronicsinc.com and andrewselectronics.com and search for Y and Z Sus boards.
They are not cheap and you may want to call a qualified servicer or deal with return cost if they don't work
Classtorations.com

Jun 15, 2008 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

Have sound, but only bright mostly yellow vertical lines on my LG DU-42PX12X .


Since I haven't heard back ,I am clearing this from my queue. Best of luck.

Apr 12, 2008 | LG DU-42PX12XC 42 in. Plasma HDTV

3 Answers

LG DU-42PX12X Verticle lines of various colors, and widths throughout the screen.


Check within you area for a reliable LG repair center. To fix the problem of the blue, red or green vertical line you just need to replace the control board PN 6871QCH038C. The part cost about $150.00 and a honest repair center should not beat you up to bad on the labor. Good luck and Good viewing.

Feb 06, 2008 | LG DU-42PX12XC 42 in. Plasma HDTV

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