Question about LG 50PX4D 50 in. Plasma Television
Tv sound is on so not a problem with power board u may have problem with capacitor of disply or EHT or may be dry at any one capacitor
Posted on May 03, 2017
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Posted on Jan 02, 2017
Unfortunately, that board is the inverter board. And for this model the inverter board is only supplied with the the PDP panel. The panel is quite expensive, here's a link if needed:
LG 42PX5D Replacement Part PDP Plasma Display Panel
Posted on Dec 29, 2008
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
SOURCE: PLASMA TV PROBLEM
The problem with this set, is defective YSUS board, to avoid future same problem, you must change the following boards: YSUS, ZSUS & Control.
Verify with LG if your serial Number is included within
lots production that were recalled by this design defect
Posted on May 28, 2010
Testimonial: "I'll try to contact LG dealers. Very hank you sir"
I had the same problem and opted to take the board out and replace the caps. They were all the same capacitance. Cost me $6.61 for 10 new caps (needed 9, 10 was cheaper). If you can solder, watch the capacitor videos on YouTube and give it a go.
There is a replacement for the original. You can try http://www.partstore.com/Model/LG+Electronics+Incorporated/LG+Electronics%2fZenith/50PG20.aspx?p=1&z=50&c=6e080ee60c7dbeec930c9d72f2d3d6f7&bs=Category&bd=Asc&ms=Category&md=Asc&k=&on=
Posted on Aug 20, 2010
Testimonial: "This fix worked perfectly! My TV was repaired for under $10."
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