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Lg 42 plasma faulty screen not working

Turns on but displays dark grey fuzzy screen with a white band, then blank. audio ok

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  • 181 Answers

Hello, I need the model number to be of help, but if is a 2006 or 2007 year model it more than likely has a bad "y" sustain board and possibly a bad "x" sustain also. If that's the case I would recommend replacing the set rather than repairing it as it is only a 720p set...tks....Terry

Posted on Apr 22, 2014

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Posted on Jan 02, 2017

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SOURCE: 42 inch LG Plasma TV - Lost picture

Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
Hope this might be of use to anyone whose lost the picture after a loud popping/snacking noise but still has sound.

Posted on Jan 17, 2008

  • 20 Answers

SOURCE: 42 LG Plasma picture distorted and flickering

replace the control module.

Posted on Mar 11, 2009

  • 13 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

This is almost certainly the device that sends electricity to the the plasma in the panel after failing. Bring to your local repair shop and expect to pay 300-400 parts and 100-200 labour.

Cheers,
Stephen

Posted on Apr 28, 2009

  • 92 Answers

SOURCE: LG 50PX1D Plasma TV with dark and fuzzy picture

Z-Sustain PCB will cure it.

It is inside the TV, on the Right Hand Side.

www.chsinteractive.co.uk or Google for a replacement.

Posted on Sep 08, 2009

micromend
  • 748 Answers

SOURCE: samsung plasma hp4252 type sr42p5 faulty screen

Hi
Most likely cause are leaking capacitors in the power supply, however I've seen the convergence IC cause the same problem. If you have a good ERS meter and are willing to check parts one by one then start with the DC side of the power supply. I fast scope makes this easier. There are a lot of safety precautions you need to be aware of. These are listed in the service manual, which you'll have to have to do this kind of work. If you don't have any of the above then I wouldn't recommend you try to tackle this. Find a reputable repair person.

Posted on Apr 14, 2010

Testimonial: "very prompt helpful assistance, I will put the tv covers back on! thought it may be a faulty fan causing overheating!? Thanks"

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1 Answer

Why does my lg plasma television keep switching its self off and on? There is a click when it happens


Tow reasons. Faulty digital processor board. Faulty power supply regulator board. 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/

May 13, 2015 | LG Televison & Video

1 Answer

I Have an LG RU42px11 that displays dark fuzzy screen. I replaced both the Y sustain and Z sustain boards, but stiil the picture is fuzzy;moreover, the new z sustain board just blew from a C3 with red cap...


U tries to modifies the Z buffer board and it didn't work.The Z buffer board it is the causes and the problems.Replace the Z buffer board will solved this problems.

Sep 24, 2011 | LG RU-42PX11 42 in. EDTV-Ready Plasma...

2 Answers

Hi, i have an LG plasma, model number RT-42PX11.


You need to pull the power supply out and replace the damaged caps on the board. Look for swollen, pushed up tops and leakage around the base of the caps.

You need soldering and basic electronics skills. You also need to pull apart that big tv and pull the power supply board!

You can look on Ebay for pullout boards from people who have broken their screens. It can get you a working board for cheap sometimes!

Good luck and be careful!

May 07, 2010 | LG RU-42PX11 42 in. EDTV-Ready Plasma...

2 Answers

Whem first turned on has a white haze once it is warmed up it has a red haze in the dark scenes i have a 42 inch lg plasma


Contact your LG dealer to arrange a service call & have the software version updated, an older software may be present in the TV which can give a white screen start up problem

Nov 22, 2009 | LG 42PC3D 42 in. Plasma Television

1 Answer

Magnavox 42"


You are correct=====Return it ! It's new, you should not have to have it repaired this soon.

Sep 23, 2009 | SNK Magnavox 42MF231D 42 in. Plasma TV

1 Answer

LG Plasma Problem


This could be the main drive board failed, or the plasma display backplane has a defect. These types of repairs are generaly fairly expensive.

I would be considering to get an estimate just in case it is simple fault. But, if the repair will cost more than a few hundred dollars, I would strongly suggest a new set. Also, servicing an older set is a gamble in case something else will soon fail.


Jerry G.

May 09, 2008 | LG 42PX5D 42 in. Plasma HDTV

6 Answers

My LG Plasma TV RU42PX10C


Hi all..i had the same problem with my 42 inch LG
rz42px11. its a faulty zsus board(Z sustain part no 6871QZH033A) the pop
sound was the fuse on the board blowing.not that hard to replace but be careful with the connector ribbons! got my replacement from
https://www.chsinteractive.co.uk/ £150....expensive,but probably cheaper than
calling someone out to fix it.
P.S i tried just to replace the fuse on the board T2AH 250v but it blew,i think the fact the fuse blows means the board is faulty..but you could try.
hope this helps someone.
Good Luck

Dec 21, 2007 | LG RU-42PX11 42 in. EDTV-Ready Plasma...

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