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General Discussion >> Repair Forum

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MadCaroler
rookie
*****

Reged: Oct 23 2006
Posts: 94
Loc: Ontario, Canada
Switching Power supply blew capacitors
      #10584 - Sun Mar 22 2009 09:05 PM

Hello, I have a pwr supply board from an lcd tv.

the outputs were mainly 24v, 12v and 5v and pwr on.

all the 1000uf caps are expanded.

the set would only blink the on LED a few times, trying to come alive then quit.


5v is present, but nothing else.

Please write what you think it might be


Thanks


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Raymond CHOI
newbie


Reged: Oct 27 2009
Posts: 1
Loc: Hong Kong
Re: Switching Power supply blew capacitors [Re: MadCaroler]
      #11533 - Tue Oct 27 2009 01:42 AM

Hollo, I think you better change all EXPANDED CAPS at first.
also about three or four 1000uf Caps inside the circuit.

Edited by Raymond CHOI (Tue Oct 27 2009 01:44 AM)


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MadCaroler
rookie
*****

Reged: Oct 23 2006
Posts: 94
Loc: Ontario, Canada
Re: Switching Power supply blew capacitors [Re: Raymond CHOI]
      #11534 - Tue Oct 27 2009 05:28 AM

Thanks Raymond. I've fixed the TV over 6 months ago and its still going strong. But for anyone interested. That solved it -- Very common problem-- Entire TV dead.... 4$ worth of capacitors brought it back to life!

--------------------
_______
Karl Slezak


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