Question about LG 50PC5D Television
If the tv has been shut down for more than 1 hour the filtering capacitors have discharged themselves naturally. When you start the tv the capacitors must be recharged to their operating voltage and this requires a lot of current. If the capacitors have aged (and 3 years is actually a lot for the capacitors manufactured in the last 10 years) the required current is very high so the current raises so much that the protection system gets activated before the capacitors can recharge fully so the tv gets shut down. When you start the tv again the capacitors are already partially charged so the current isn't that high = the protection system isn't activated = the tv starts normally.
All of this is the first sign that the capacitors are about to die of old age - you're lucky, you have warning signs.Replace them now - it will cost you less than $150 including the labor of a repairman. If you wait till one of them fail for good the damage it will do will be way more expensive to fix.
Posted on Nov 11, 2010
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Posted on Jan 02, 2017
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