Question about LG Televison & Video
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Posted on Jan 02, 2017
could be power supply problem or high voltage problem. check caps in main power supply first.look for caps that have tops puffed up ususlly three or four.....
Posted on Feb 25, 2009
Your description of the problem points to a power supply in the process of failing.
If it was mine, I would leave the set unplugged overnight, remove the back panel of the set, locate the power supply (likely on a separate board related to the incoming AC cable and will have larger components on it), look for an assembly number (often on a printed label), contact the manufacturer's service company and inquire about replacement or repair cost.
When you plug it back in, note whether it behaves normally at first turn-on. If is does, this tends to support the suspicion of a failing power supply since some of the passive components in it have had a chance to recover before weakening again.
Modern supplies are a good bit more efficient than 'linear' supplies of yore but are far more complex and much more dependent on quality of components.
Posted on Jul 28, 2009
It is an error code for short protection---the most common cause for this is one or both of the pico fuses that protect the convergence IC's are bad--set will detect no voltage and instantly shut off.
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Posted on Aug 22, 2009
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