Question about LG 50PX4DR 50 in. Plasma TV
The sound didn't stop but pulled the power plug just in case.
Most likely the TV has a power supply related problem. The pop noise may have been a capacitor or a inverter transformer. I can only guess at this point.
The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.
I hope I shed some light on the subject for you.
Posted on Jul 02, 2009
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Posted on Jan 02, 2017
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