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LG 55in. Plasma TV power button clicks nothing happens what should I do

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  • 47 Answers

Need to know the Model# and complete Product Code/back of the unit to make an accurate diagnosis

Posted on Jul 10, 2015

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Posted on Jan 02, 2017

  • 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

  • 2 Answers

SOURCE: Panasonic plasma TV model TH-42PD60U won't turn on

I had this problem in 2007 / 2008 here is what happened to me. Jan 09, 2008 - I also have brought the unit to the authorized Panasonic repair facility and the problem is a failure in the P-board which is the power supply board. The P-board needs to be replaced. The repair will cost $475 plus tax. $250 is for labor. The unit was nop more than two months out of warranty. This does not speak well for Panasonic. I have been researching the problem and it looks like this has happened to many of the Panasonic plasma TVs.
Jun 14, 2008 - As an update to my problem with the failed P board. Contacted Panasonic Service and talked to a customer service representative. I told them how I have purchased many Panasonic products and how unhappy I was with the failure of the product. They proposed paying the labor cost of $250 and I would pay for the part. I just hope it does not happen again.

Posted on Oct 14, 2009

  • 41 Answers

SOURCE: I have an LG plasma TV, model: 50PC1DRA. We had a

Defective power board. Maybe best to call local service man.

Posted on Dec 18, 2009

SOURCE: philips-plasma-tv-wont-turn-on-all-i-get-is-a-clic...

OK this is a classic switchmode power supply problem There is a fault either IN the SMPSU, OR in another part of the set, usually a short circuit. The PS, is "Shutting Down" for safety reasons, so as to avoid a possible fire, explosion etc. You really need to have this looked at by a qualified person. before you get any work done, always ensure you get a firm "Quote" before proceeding. This is very common.

Posted on Mar 15, 2010

  • 2 Answers

SOURCE: lg 50pq3000-za plasma tv will not switch on from

power problem possible fried power capacitors
possible cause power surge could occur if unplug while tv on
must change 6 power capacitors
these original capacitors are on the low end minimal ratings
1-2 hours in house labor, cost est $200 plus minus

Posted on Jul 09, 2010

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My LG Plasma 50PK550 doesn't show a picture when I push the power button. It will also shut off when I push either the Input or channel buttons.


Main digital board fault. Check and replace the main digital board. Contact any service technician. If you wish to get more details visit the site linked here. http://electronicshelponline.blogspot.com/

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1 Answer

Lg 50pq3000-za plasma tv will not switch on from main button on the bottom of the tv and from standby it clicks and the red light comes and goes and nothing happens its only a few weeks old..


power problem possible fried power capacitors
possible cause power surge could occur if unplug while tv on
must change 6 power capacitors
these original capacitors are on the low end minimal ratings
1-2 hours in house labor, cost est $200 plus minus

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Power light for tv turns on but no picture and no sound comes on tv i have a 50 inch phillips plasma


Check your cables and TV input settings.  Can you get to the on screen menu?  Does anything appear on the screen when the tv is on?

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My LG Flat Screen won't turn on.


power board issue or capacitors on the power board have blown this happens with electronics, service center will be required to replace the board or if you know some one who solders electronics they could do it also. to keep this from happening again buy a ups backup power supply which will condition the power to the tv and other components and save you allot of time and trouble later.

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1 Answer

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If you check underneath the t.v there may be a button that you need to push. then you can use the remote to turn it on. took about 2 hours before I found it.

mine is located on the bottom left, right underneath the screen.

Dec 26, 2007 | LG 42PX5D 42 in. Plasma HDTV

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