LG 50PG20 No power

[waximoff]

Hey Everyone,
Wet behind the ears noob here.. yay! Well my problem is y LG 50pg20. About a year ago it just started turning off on its own. I would just wait a min (about as long as it took to find where my kids have hidden the remote) and turn it back on. It always came back on. The problem persisted but it would only happen every month or so. Wife and I chalked it up to overheating.
Fast forward to last week, I wasn't around when the T.V. finally went off so I'm not sure if there was a "pop". The T.V. will not power up now, not even the the red light around the power button is on.
So that leads me here. I searched google and most of the links came to here.
I pulled the back off the panel and found the power supply, z and y boards. I looked for bulging caps or corrosion but could find nothing. But I cant find a fuse anywhere..

So that's where i am. Any guidance or ideas would be more than appreciated!

[rayrod81]

Re: LG 50PG20 No power

It sounds like either the power supply or the main board. Either one could cause a dead set. I would lean toward the power supply based on the fact that the stand-by light doesn't light up. You will need to check the components (transistors, diode, mosfets, fuses, etc.) on the power supply for shorts or otherwise suspicious resistance readings. The main fuse should be near the connector for the power filter. It is the white cylindrical thing with pigtails coming off the ends. Just be aware that if that is blown there is probably more wrong with the power supply and just replacing the fuse will most likely not fix your problem.

[zell66]

Re: LG 50PG20 No power

I to have same problem, no power no light. is there a step by step procedure to do to figure out problem?