Question about Samsung UN55B8500 TV
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Posted on Jan 02, 2017
It a common issue mainly with the R71 models. Faulty power supply, can be caused by some blown caps on the chopper supplying the mains board voltage rail.
what is your tv? please rate me:D
Posted on Mar 19, 2009
There is a problem with the power supply. The clicking is the power regulator continuously turning on and off. This was most likely caused by a power surge.
The first thing to check is a visual inspection of the power supply and look for bad capacitors. This can be done by looking for ones that look bubbled where the top metal part with the T is ballooning out. If you see any, replace these with the correct voltage and fared rating (both located on the capacitor itself) by soldering them onto the power supply.
This will fix the problem most of the time but the power surge could had also damaged other components in the power supply so if you are not comfortable with soldering or did not see any bubbled capicators, or replacing the capicators did not fix the problem replace the power supply board.
Posted on Oct 05, 2009
SOURCE: i have a sumsung 50
A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.
You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this helps
Posted on Jun 14, 2010
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