LVM-37w1 37inch LCD HDTV

LG LCD TV REPAIR - NO PICTURE SCREEN FIX REVIEW ...

? 5:29
www.youtube.com/watch?v=PWoz_-3OHIMJan 25, 2013 - Uploaded by Tampatec I have a LG 42PM4700-UB plasma tv that just went black. The red power .... I have a RCA 32 inch it has no sound or picture !Just a light blue ...

Have you checked all the connections at the back of the tv?

Look at the venting grills, you should see whit lights inside the set. If not, the backlight inverter board may have gone out or the power supply supplying the power to the inverter board may have gone out. Those are the two places to look first. It may have bad capacitors in the power supply.
http://en.wikipedia.org/wiki/Capacitor_plague

Sounds like the bulb burnt out.

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Could be the power supply gone bad.
No easy solution I'm afraid.

i used to work on the warantee's for relysis from memory that was a deffo dead un we used to swap out on that fault im pretty certain its a dead processing board . . . sadly relysis uk went bust . . . .

your backlight burnt out, this will be a maybe several hundred dollar repair. the screen is backilt by a very expensive flourescent light, without that light, the screen will be black.

I had the LCD repaired. It turns out that the power supply went out. It cost me a few hundred bucks but it was worth the repair rather than buying a new one for 3x as much.