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Plasma TV Lost power all capacitors look fine

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Check the fuse. Replace it if found open. If the fuse blows off again, make sure that the power board is faulty. Replace it. Never replace a fuse other than specified. If you wish to get more details, check this site linked below. Pull up older posts there. Check the site with patience, as it has over 2350 posts now. All are related to electronic equipment repair help. If you search the site in Timeslide option, which can be selected from the drop down list at the top left of the display window, it will be easy to locate the related post. You can also do a search by type in the brand name to your device into its search box at the top right of display window.http://electronicshelponline.blogspot.com/

Posted on Apr 30, 2013

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1 Answer

No power,moved tv and no power


You probably have some capacitors on the power supply board that have gone bad. When they do... the TV will not re start.

Jan 28, 2014 | Panasonic Viera 50" Class 1080p Full HD...

1 Answer

Samsung PN50B450 plasma tv model # pn50b4450b1d


That problem is usually cause of faulty y sustain board..It is looks like OK but the system was faulty..Try to replace it to fix the issue..

Jun 14, 2012 | Samsung PN50B450 50 in. Plasma TV

1 Answer

I have a LG 50PX1D 50 in. Plasma Television. it turns on and stays my sounds or working fine. but no picture.. i have checked the power board and the capacitors are ok, and the fans are working @ normal...


You need to replace both the Y and X-sustain boards to light the tv. If the voltage is fine from the power supply then those are the only other boards related to lighting the plasma gas.


Thank you!

Jul 07, 2011 | LG 50PX1D 50 in. Plasma Television

1 Answer

Samsung HP-R4272 tv has been working fine for the past 4 years. now the tv picture is blank but the power supply is ok and the audio is fine too.


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit

May 26, 2011 | Samsung HP-R4272 42 in. Plasma HDTV

2 Answers

Suddenly lost picture, sound is still working. The TV is 3 1/2 years old. Any fix for this? Parts?


If you are lucky it may be asimple power supply problem, with dry electrolytic capacitors. If you can find one or more capacitors with domed tops instead of flat tops, then it is an obvious sign that the capacitors require replacing.

Feb 25, 2011 | LG 42PC5DC 42 in. Plasma HDTV

1 Answer

Lost picture on plasma tv


Check the power board for any domed capacitors. Replace them. If this does not fix Replace the power board. You can check the voltages from the power board. they are labeled. VS and VA voltages are the panel voltages.

Mar 25, 2010 | Televison & Video

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

1 Answer

POWER LIGHT ON, BUT TV NOT!!!!


try looking at the board inside the TV for bulged capacitors see polaroid thread. this is the problem on the polaroid could be the same here.

Sep 16, 2008 | Panasonic TH-42PWD6UY 42 in. HD-Ready...

34 Answers

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.

Dec 31, 2007 | LG RU-42PX10 42 in. HD-Ready Plasma...

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