Question about Samsung LN40A450 LCD TV
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Posted on Jan 02, 2017
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This is an indication that you have a problem on the power
supply section or on the load because of the following reasons :
1. Over Voltage - the regulator
might be cycling on over voltage due to lack of load (Open).
2. Over Current Protection - excessive
load or faulty power supply cycling will trigger the over current
3. Leaky Capacitor - a dried up
main filter capacitor or other filter capacitor in the power supply
that is producing an out-of-regulation condition. A bad
filter capacitor on the output of a series regulator may result in excessive/drop of voltage and subsequent shutdown. The unit will not go through unless isolated the faulty parts.
4. A problem with the
This is not DIY and quite technical. I've advice you to
look for a qualified technician or send it to repair shop to troubleshoot the
problem. Also to consider the dry joints that will do the same problem as what you encountered right now.
But first check if your unit is under warranty then avail it
because the manufacturer of your unit will fix it for free or with a little charge
Hope it may help you.
Thanks for using fixya.
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