Picture got fuzzy then a loud pop and picture went out. All you could hear was the volume of the tv.
SOURCE: tv made a loud pop sound then went black...sound
This is a common failure in many PLASMAs. One of the boards in the TV blew. Most likely It is going to be the Y-sus but could have also taken out the Z-sus(sometimes called the X-sus) and the Y-drives. These boards put and maitian the picture on the screen. The best way to tell is to check the voltages on the boards to see how extensive the damage was but I would defintly start with the Y-sus.
SOURCE: Picture is out on LG LCD TV
The problem can be blown up components in the back lights inverter board or in the 24VDC power supply section. You need to open up the back look to see if you can locate blown components. There should be 24vdc on one of the power supply output connectors pins.
Parts: http://www.shopjimmy.com/catalogsearch/result/index/?q=LG+42LC2D+&limit=200&stock=all
SOURCE: Loud Pop, no more picture
sounds like a large capacitor has gone on main board
check for swelling or bulge/can be square blue in colour
SOURCE: tv made a loud pop sound then the picture went
Hi
A common problem for these is bad capacitors in the power supply, Remove the back from your TV and look at the power supply on the left hand side.
You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this helps
SOURCE: TV LG Model 50PX1D-UC Flat
Hello,
The problem is that there is a bad capacitor inside the unit, it is either on the main panel or the power panel. The popping sound you got was due to the fact that the lead on the capacitor was bridging, therefore causing some electrical popping sound.
Run a check on the main panel and the power panel for any bad capacitor and replace it with a new one. That way, your television will be in good condition once again.
Take care and good luck
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