Question about Samsung LN-S4051D 40 in. LCD Television
If the red LED blinks and you hear a clicking -
This is a comon problem with the Samsung LCD HDTV on the Power Board.
You can repair or replace -
Faulty parts on PS board , bad press for Samsung.
When checking the capacitors, If they are slightly rounded on the top where the X is, the cap is defective.
Because the Samsung LNS4051D would not turn on and the power
LED would blink 4 times and the relay would click and this
would repeat again and again. I replaced power supply board
parts CM806, 811, 812 & 817, all 1000 uf 10v capacitors,
three had their tops bulged up slightly that I missed on
initial visual inspection. After seeing the reports of
problems with these caps on
I replaced them with Radio Shack part 272-1032, 1000 uf, 35v.
They are slightly bigger, but fit OK. TV is working fine now.
Cost was 4 x $1.59 = $6.36 plus the time. I saved between
$100 to 300 in the process of either replacing the board or
getting the unit serviced. If you are not comfortable
replacing components which means using a soldering iron, you
can replace the power circuit board, available from
Some UTube showing the problem and fix -
Posted on Jun 01, 2010
Posted on Nov 17, 2009
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Posted on Jan 02, 2017
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