Question about LG 50PG20 50 in. Plasma HDTV

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I am having problems with poweing up my plasma TV. its about 4 years old. any suggestions? sometime i have to hit power but 20-30 times!!!

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  • 158 Answers

There is a thin wire that controls the input output of the power button on the board, and you may have a problem with it, best suggestion to offer you is to have it serviced by LG technicians.

Posted on Mar 24, 2011

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Posted on Jan 02, 2017

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I have a 10 year old Pioneer plasma TV (Pioneer PDP-R05E). When the TV is turned on, it starts with a black screen, and then some reddish dots flashing on the screen, mostly on the corners. After...


10 years on a plasma is pretty good. If you are losing the plasma screen, then it will not be worth the time/cost to replace. LCD TV's have come down (and the new 4K format is here) considerably, are less energy hogs and last longer than the Plasma (this can be debated on longevity but LCD technology has been around a long time and is more prevelant than plasma). Time to upgrade.
it could either be the screen (my bet) or the controller board for the screen. Either way, the cost to truck a repairman out there, diagnose, order the part and return could exceed what a new format LCD will run you.

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4 year old 50PC1DRA LG Plasma tv. TV would come on after several tries, now will not turn on at all. Just clicks. From what I read here, could be power supple? Is a 4 year old TV worth putting that...


It's the capacitors on the power supply, it's a common problem, either buy a capacitor repair kit (yes they make them) and have a TV tech solder them on, or buy a new power supply board (about $200) and remove and replace it yourself (it's that easy)

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1 Answer

While watching it, it went POW and a flash of light behind it and now it's dead. Nothing else surged that was plugged in with it (cable box and amp) It's only 4 years old :-(


The power supply unit went bad...it happens, and its cheaper to get a new TV than to try to get that one repaired.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c

Mar 31, 2010 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

Plasma TV turns on and off after some time


get a sledge hammer and hit the damn thing

May 19, 2009 | Televison & Video

1 Answer

The tv power switch is flashing orange andthetv does not come on


the logic main board is not communicating with the power board. It may be dead. If so, it needs replaced. sometimes, wires may some loose and cause signal miscommunication. if u r tech savy, i recommend opening the system, then contact me 4 further instructions. t20torx bit, phillips screwdriver.

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The above fix, listed by Tom saved us!! We did as instructed and took off the back of our 50 inch Magnavox plasma tv. We were not sure what we were looking for so we googled capacitator (image) & there was a photo of a fried capacitator! Sure enough we noticed ours were "fried", we took out the board and went to an electronic supply store, bought the 2 capacitators ($2.00 each!!) and then found someone who did tv repair to sauter the new capacitators onto the board. (It is important someone who know how to sauter and recognizes polarity do do this for you) All in all we fixed this following the above instructions for $34.00 and our time. For a month we were told to spend hundreds getting a new power board!
Kudos to you Tom & thanks so much!!

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2 Answers

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I had the same problem. It turned out that one of the cooling fans get dusty and does not work. I opened the back of the Toshiba plasma TV and cleaned the failed fan, and it worked like a champ.

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Daewoo 42 Plasma - Model DT4280NH


I have a samsung 42 in plasma television which is three years old, it has a blue flickering light to the right of the television, sometimes can see some at the top in the middle, hope you can help with this problem, is it repairable.

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My PIONEER PDP-503HDE 50 INCH PLASMA screen won't power up


you guessed right you got a problem with the projector, I always point my finger to Power suppy problems on these sets for about any other problem would mean throw-away or too expensize to fix. good luck

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