Question about LG Televison & Video
T'Con board fault can cause this type of problem. But can't say sure. On rare occasions, main digital board fault [its video processor circuit] too can cause this. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Posted on Dec 07, 2016
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Posted on Jan 02, 2017
SOURCE: LG 50" plasma tv
call 877-543-8325 this is an LG Executive call center and they will fix this for free. I have a 50" plasma I bought january 2006 which is out of warranty by 5 months. They faxed me and the LG repair shop a 30 day warranty for my tv to cover the repair. Just tell them you heard a pop and in my case the picture is distorted. All they need is the model number and serial number and they should take care of it. No arguing needed.
Posted on Jun 03, 2008
SOURCE: LG TV completely dead
I'll think your power supply is down.
Since your tv is 15 month old, you've still got waranty left.
Just contact you supplier or LG service.
Posted on Jan 29, 2009
SOURCE: LG 50PX4DR plasma tv
I had the same exact problem as posted above. My 50" LG plasma was out of warranty for 1 year! I called the LG executive call center, and they were very helpful. They offered to pay for the parts and labor. They recommended a few local repair shops, and they set everything up for me. The tech came out within 4 days with one part. The tech had to come out one more time the following week, since more parts were needed for the repair. The Y sustain board, along with 2 adjacent parts that are required to be replaced as a set, and the power supply had to be replaced (parts alone cost just over $900). TV is like new again; I'm very happy with how LG handled it, and made what could have been a bad experience a good one.
Posted on Apr 30, 2009
yes i have had many problems with my lg plasma. i had to replace three boards in the back of the tv. it is most probably the y sus board which has failed.
Posted on Jun 19, 2009
I have the same issue with my LG 42PC3DVA and I narrowed it down to the Y SUS board. After a little research there are a few items that are prone to go. The ceramic fuses (as you found), sometimes the capacitors on the Y SUS, Z SUS, and power supply go along with them You can tell because thy will be bulged at the top instead of flat. I replaced a few of my capacitors - they are only $0.89 each so it was MUCH cheaper than a board.
The other thing that is common on the Y SUS in particular are the FETs (also called MOSFET). They can be replaced if you are good with a soldering gun but they are static sensitive so be grounded. They are also a bit tricky to test so you may want to do some research on how to determine if this is the issue... or you can just replace the whole board.
Posted on Oct 28, 2009
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