Question about LG 42PG20 42 in. Plasma HDTV

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I have a LG42PG20 plasma tv that the sound works, but the tv has no picture. The screen is blank, dark in color.

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Cleanning inside,,,,check the red wire that to the screen inside moved it around,,,,plug in,,,try on...works....or not.so on..broken....not around shocks

Posted on Aug 27, 2010

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Picture has suddenly become dark and greenish Tried to fix with brightness, color controls...can change to dark and reddish...but thats it. is either PDP 4214HD or PDP 42A3HD


Is tv plasma or lcd (how old). it may be the screen or pannel has lost its efficiency. A bit like old tv's tube going. You did the correct thing by adjusting controls but this sounds like a workshop job

pete

Nov 08, 2010 | Pioneer Televison & Video

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My Sony plasma tv made a pop sound and now picture is dark.


You will need the y and x sustain boards replaced, possibly the buffers. very expensive repair. you can replace one board but its best to do all of them.

Jan 22, 2010 | Sony 50 in. Plasma TV

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TO GET THE DIFFRENT BETWEEN LCD VS PLASMA


LCD
LCD stands for liquid crystal display. These types of displays have been around for awhile and are commonly used with computers. One reason for their big popularity is the ability to produces a better picture than CRT monitors but also being much thinner.
Pro’s
  • Low Energy Consumption – LCD monitors use very low amounts of power. This is why it is very commonly used in battery powered devices.
  • LCD screens also reduce the amount of glare on the screen which can be very beneficial if your TV is in a room with lots of light.
  • If an image is left on the screen too long, LCD screens are less likely to experience the image being burned into the screen. If this does occur, it’s easier to repair than other types of TV’s.
Con’s
  • The viewing angle of an LCD TV is typically not as great as Plasma but the difference is not great enough to make a huge difference.
  • LCD TV’s can sometimes get dead pixels which aren’t typically covered under warranty. Although they are very small, they can become very annoying.
  • Brightness levels aren’t as great as Plasma and it’s not possible to display darks quite as dark.

Plasma
Plasma technology hasn’t been as widely used as LCD in previous years but has become very popular in large HDTV’s. Although they have historically been more expensive than LCD TV’s, they are becoming more comparable in price.
Pro’s
  • Brightness and color are the major advantages of Plasma TV’s. They produce rich colors along with very deep blacks.
  • Their wide viewing angles allow more people to be able to watch TV comfortably.
  • The pixels of Plasma TV’s are lit individually unlike LCD screens. Because of this feature, the pixels can be completely turned off to display truck black colors.
Con’s
  • The lifespan of a Plasma TV is typically shorter than other types of TV’s. The lifespan can be extended by turning down the brightness of the screen.
  • Plasma TV’s are more susceptible to screen burn-in where an image is “burnt” onto the screen when left on the screen too long such as a network logo in the bottom right corner of the screen.
  • Plasma TV’s require a panel of glass to cover it. This glass can reflect light and make it difficult to see the picture. If placed in a dark room, this typically isn’t an issue.

Jun 09, 2009 | LG Televison & Video

1 Answer

42 inch LG Plasma TV - Lost picture


If you paid by cheque or credit card, that is your proof of purchase.

Mar 09, 2017 | LG 50PG6000 50 in. HD-Ready Plasma TV

2 Answers

42 inch LG Plasma TV - Lost picture


Most likely what happened is one of the capacitors went bad. When a capacitors goes bad it produces a popping sound. This could be an easy and cheap fix if you find the bad capacitor or capacitors. The bad capacitor will have a bulging top most likely on the power board but could be anywhere.

Feb 24, 2009 | LG 42LC3R 42 in. LCD TV

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Toshiba Plasma 42


plasma42 color flickers in and out and now its just snow,now its black screen. still have sound.please help me.. what board should i replace??

Dec 29, 2008 | Toshiba Televison & Video

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Phillips plasma 50pf7320


I have a 50 inch phillips plasma and the pixtals are taking over and color is dark the amblight is very dim,

Jun 25, 2008 | Televison & Video

1 Answer

Plasma Tv


i have the same problem. good sound but dark-distorted picture

Apr 13, 2008 | Televison & Video

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Sylvania 6842PF M screen turning dark red


This sounds like the color processor IC is not working properly. If this is the case you will have to have this checked by a qualified technician.

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