Question about LG 42PX5D 42 in. Plasma HDTV

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Lg plasma tv picture is very blotchy and wavy

Everything seems to work except the picture is very wavy or blotchy on backgrounds and faces

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6 Suggested Answers

  • 15 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Posted on Dec 15, 2007

Siliconchip
  • 52 Answers

SOURCE: LG PLASMA TV WITH COLOURED LINES OVER SCREEN

If the Video (Picture/Pix) is gone but you can hear the Audio (sound), then it could mean the YSUS PCB Assembly is gone/kaput/finish. Can replace the PCB, not repair the PCB due to timing circuitry involve. Cost maybe roughly $500 depending where you located. The PCB is located on the left hand side of your TV when you are facing the back (Back open). Might find 3-4 brown flex membrane connecting to the plasma panel. The PCB has a silver or black aluminum heatsink (big) on it.
Good Luck.

Posted on Jan 05, 2008

  • 3 Answers

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

  • 54 Answers

SOURCE: prima plasma 42

sir,,,kindly check out the chroma section,,,,,thnkss and hope too help you

Posted on Feb 01, 2008

  • 1 Answer

SOURCE: Sound but no image on my LG Plasma TV

Have sound but no imagen

Posted on Sep 30, 2008

  • 1 Answer

SOURCE: Lg Plasma Display settings keep switching

When you boot up your tv for the first time, you get to choose between home and shop-mode.
In your case, he TV is set to "shop-mode".
Then it will go back to factory settings after 5-10 minutes. (so that customers won't mess up the settings all the time)

So change the settings from shop to home, and your problem is fixed!

Posted on Mar 01, 2009

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1 Answer

How do I fix a LG plasma tv that has sound and no picture.


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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go into advanced video options and turn off the "motion enhancement" for the appropriate input. this usually fixes it

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sounds like mainboard fault where are you located

May 24, 2008 | LG 42PC1D 42 in. Plasma Television

1 Answer

Red screens cause flickering


if normal tv is fine then ,likely the signal from the box is too hot.
if using composite switch to cable ch 3 or vice versa,
or use hdmi cable or change the box .

Apr 22, 2008 | LG 42PX5D 42 in. Plasma HDTV

2 Answers

Prima plasma 42


sir,,,kindly check out the chroma section,,,,,thnkss and hope too help you

Feb 01, 2008 | Flat Panel Televisions

6 Answers

LG PLASMA TV WITH COLOURED LINES OVER SCREEN


If the Video (Picture/Pix) is gone but you can hear the Audio (sound), then it could mean the YSUS PCB Assembly is gone/kaput/finish. Can replace the PCB, not repair the PCB due to timing circuitry involve. Cost maybe roughly $500 depending where you located. The PCB is located on the left hand side of your TV when you are facing the back (Back open). Might find 3-4 brown flex membrane connecting to the plasma panel. The PCB has a silver or black aluminum heatsink (big) on it.
Good Luck.

Dec 22, 2007 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

When watching dvd having showing or fade background


yes it can be down to signal degradation especially via scart lead, make sure you use a decent scart if you buy an expensive one you can tell the difference. Run a cable from your sky digibox direct to your tv to see if the picture improves.

Oct 05, 2007 | LG 42PX4DR 42 in. Plasma TV

1 Answer

Background picture quality poor (mosaic)


Do you have external speakers close to the TV? This may be the cause.

Sep 21, 2007 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

Funny noise on LG TV


This is a problem with alot of TV sets. Most of the time, women can hear this alot better then men because they have better hearing then men. There is what we call in the buisness, a "singing coil". The problem could be simply the coil is singing and will need to be replaced because the windings of wire that makes up the coil is not wrapped tight enough or this noise could be the sign of future problems to come as a bad switching power supply capacitor or a capacitor going bad. I am sorry to say there is not alot an end user can do except call out a tech to have a look. Good Luck

Mar 21, 2007 | LG 42PX4DR 42 in. Plasma TV

3 Answers

Plasma 42inch TV


I'm guessing this is a problem on the Y-SUS PCB or the Control PCB. Call LG and they will find you a servicer. Most LG Plasmas have 2 year warranties and they are covered in your home. It kinda sucks but it is better now than after your warranty expires this repair would cost several hundred dollars.

Dec 23, 2006 | LG 42PX4DV 42 in. EDTV-Ready Plasma...

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