Question about LG 32LG30 32 in. LCD HDTV

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We have a wall-mounted LG 32" TV, which was working fine. Yesterday we turned it on, and while the power is responsive, there is no image on the screen - no menu, no option for changing input - nothing whatsoever. Any ideas why this may have happened or how it can be remedied?

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The basic reset, Unplug from power for 30 sec. plug back in. If still not resolved a component board in the TV has failed and the TV will need internal parts serviced or replaced. The power boards on this model are known to have capacitors that fail, If you see no light behind the screen this is most likely the problem but there is know way to tell with out taking the tv apart and testing.
Repair cost should be under 200 My be better to buy new with warranty

Posted on Sep 01, 2010

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Posted on Jan 02, 2017

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I had this problem on my 42" Philips. Just got it yesterday and worked fine on the tv stand. As soon as I mounted the TV to the wall via wall mount system, I had the exact same issue you did. Figured it out today.

The wall mount was putting pressure against the center of the back of the tv (tv set had a slightly rounded back plate, and the mount was a flat plate). As soon as I put spacers (part of the wall mount hardware set) between the wall mount braket and the tv so there was no contact except at the mounting holes, the tv worked fine.

My theory is the pressure pushed the tv back plate against some board components which caused them to overheat (no air flow); or put pressure on internal connectors. I dont know.

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Since the picture flashes for a second you may also check for loose connections for the above items.
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I found a temporary fix. When I turned the TV on, I immediately press the backlight but on the remote until the bar appears then lower the setting down to 10. This may take a couple of tries of powering the TV off/on. Once I got the setting lowered to 10, the picture stayed on. If you invoke any of the presets it will change this setting. I'm going to call someone and try to get more information on a permanent fix.

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I had this problem on my 42" Philips. Just got it yesterday and worked fine on the tv stand. As soon as I mounted the TV to the wall via wall mount system, I had the exact same issue you did. Figured it out today.

The wall mount was putting pressure against the center of the back of the tv (tv set had a slightly rounded back plate, and the mount was a flat plate). As soon as I put spacers (part of the wall mount hardware set) between the wall mount braket and the tv so there was no contact except at the mounting holes, the tv worked fine.

My theory is the pressure pushed the tv back plate against some board components which caused them to overheat (no air flow); or put pressure on internal connectors. I dont know.

Hope this helps, may not apply to your situation.

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