Question about Samsung LN-S4051D 40 in. LCD Television
To fix PS Board parts.
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 May 27, 2010
Your power supply has blown a capacitor. you will need to replace the faulty capacitor/s
Posted on Apr 23, 2010
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Posted on Jan 02, 2017
SOURCE: My Samsung T5271F is taking
You have failing capacitors on the power supply board. This is a very common issue with these and others. If you know how to test capacitors and solder its not that tough to repair. Or you can just replace the power supply board which is part number BN44-00184A and runs around $100. You can purchase the board at many places on line. Just do a search in Google with the part number,,,,Good luck
Posted on Sep 18, 2010
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