LG DU-42PX12XC 42 in. Plasma HDTV Logo

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Anonymous Posted on Jun 21, 2014

Green lines on my lg model du-42py10x tv - LG DU-42PX12XC 42 in. Plasma HDTV

5 Related Answers

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Anonymous

  • Posted on Jun 06, 2008

SOURCE: Red Stripe, right side

Follow-up. I found the slip on which the LG tech wrote down the part number for the board to fix the vertical red stripe. I was mistaken in my previous post. It was not the Z-Drive board. The board you want is:

X DRIVE BOARD; Part 6871QRH043A
Type in the part number in a search engine and yuo will find multiple places to purchase. Ebay may be the cheapest. That's where I got another part which got my picture back. I did not buy this part myself because now that I have my picture back, I do not want to screw it up, so I live with the red stripe.

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Anonymous

  • 25 Answers
  • Posted on Nov 05, 2009

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.

Anonymous

  • 1 Answer
  • Posted on Nov 10, 2009

SOURCE: 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?

Anonymous

  • 8619 Answers
  • Posted on Feb 12, 2010

SOURCE: RZ-42PY10X LG TV I HAVE A RED LINE DOWN THE RIGHT

Hi


Thanks for using FixYa. From what you have described it seems that you might have a backlight issue with this TV set. It could also be due to the inverter circuits for the backlights. The inverter is the power supply source for the backlights. There could also be a screen driver problem; if it is then you have to change the entire board. All this is only recommended if you have some kind of expertise for checking the internal circuitry of the TV as these units have high voltages running even when the set is switched off. Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks
Rylee

Testimonial: "is there any chance i could get hold of the wiring diagram"

Anonymous

  • 10515 Answers
  • Posted on Jan 18, 2011

SOURCE: I have an LG plasma model# DU-42PY10X that seems

Hi,

This is a common problem on these sets. As the menu is fine, this is highly suggestive of an internal failure.you have a driver board failing if you would open the set and on the left side is the Y-sustain board there are two boards connected to the Y SUS board. The one on the top drives the top half of the picture and the one on the bottom drives the lower half of the picture open the ribbon cables make sure to clean it or Re solder if you see needed turn set on and test, sometimes cleaning this will fix problem sometimes re soldering will fix problem and last resort is, the board itself is bad.Unfortunately,you need to diagnose and inspect all the components before replacing any part.If you wish to repair it yourself, i could give you a link to buy the service manual and would upload a troubleshooting chart ( generic ) that would explain how you need to diagnose the fault when you open the TV.However, there is no quick fix. It has to be opened and tested and then diagnosed.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

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I have a L.G. Model #DU-42py10x 56in tv that has red and green vertical lines on tv when started up. does it need a new chip?

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.
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Have lg du-42py10x plasma powers up but no picture no sound dark screen with white dots

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Vertical lines on LG-DU-42PX12X

please change vertical ic oc decosition coil solderd
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The picture is gone, black screen only

have a du42py10x and i have no pic or sound take the back of and only 2 littel ligh on bottom com on
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Screen is out on a LG 42" DU-42PY10X plasma hdtv

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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?
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TV Guide on LG TV

I have the lg du-42py10x tv with a cable card slot. I have Time Warner cable in Cincinnati Ohio. I split their cable coming in and put one end on the cable input and one end on the antenna input on the tv. I now have TVGOS with my cable card. By putting one end of the cable on the antenna RF input, I received the CBS station in analog. That is what you need to get TVGOS to work.
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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.
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DU-42PY10X Has sound but no picture.

When a plasma has no picture I have found that 9 times out of 10 the ysus bd or the zsus bd has failed and sometimes both have failed at the same time. When you pull the back of the unit, you will find the the large pcb on the left as you look at the back is the ysus bd. and the bd. on the right side of unit is the zsus (it is about 1/2 size of the ysus bd. Check the fuses on both bds. and if one is open see if replacing will help. If it blows again the bd. that the fuse is on is most likely defective. The VS and VA voltages are listed on a tag on the inside of the plasma panel and those voltages should be checked. If either of those voltages is very low or missing, first disconnect the plug from the power supply to the ysus bd and check the voltages again. If the voltage comes up then the ysus is defective. If the v does not come up replace that plug and pull the plug from the power supply to the zsus bd and check again. If the v then comes up the zsus is most likely the cause. Remember to disconnect the AC to the unit b4 each step. Of course there are other possibilities and I alway reccomend that if your are not proficient with handling meters and AC and DC voltages then please contact a qualified service tech.
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