Question about Televison & Video
I would believe that you don't have the sleep timer set to a 5 minute period?
If it's a few years old then the problem could possibly be in the power supply. When a component finally heat's up, then the supply goes into protect mode and turns the set off.
There are good servicer's out there that should be able to fix this. LG is really Zenith 'US' and Goldstar 'Korean'. They combined forces a couple of years ago. Zenith was well known for cracked soldering joints. This also could be the issue.
A/V Media Guy.
Posted on Nov 20, 2009
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Posted on Jan 02, 2017
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