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Samsung 46m87bdx/xec it is dead after two seconds ,,2 cap is renewed cm813 and cm812 at the cold side in powersupp. but its dont help ,still shot off 2 seconds after turning on.!! where can I start to look ?

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  • michael95 Sep 28, 2010

    hello the samsung has model code LE46M87BDX/XEC serial no AHHR3SKP700006J
    version SQ01 type TU46EO ,,,,,the tuner part has also samsung name printet ,,and the power supp. is made in thailand ,,and at the back says that is made in slovakia

  • michael95 Sep 28, 2010

    Hello

  • michael95 Sep 28, 2010

    yes 812-813 was puffed up and are replaced with new capacitors

  • michael95 Sep 28, 2010

    yes all photos are from same tv and the power supp has this nr BN 44-00168B

  • michael95 Feb 08, 2011

    no, actually it was my intention to get some tips for repairing the small parts at the modul who was faulty and not just change the entire module,

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I need the correct model# printed on back of TV.The one you have listed shows to be sony? Most Samsungs HLP,HCP,HLN

Posted on Sep 28, 2010

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  • ladywinn
    ladywinn Sep 28, 2010

    OK let me see what I can Find on This ,Have you removed back and looked for Bad Capacitors
    They will be vented,swollen or puffed up on TOP 2200uf 10v 3300uf 10v 47uf 16v

    Was cm 812,813 bad capacitors?

  • ladywinn
    ladywinn Sep 28, 2010

    OK Thanks for Photos is this power supply board # ? BN44-00168B

  • ladywinn
    ladywinn Sep 28, 2010

    Encompass Parts Distribution Has that Board For $167.72 Core Fee $50.00
    making part $117.72 after they recevie old board.
    Go to their website or Call 1-800-638-3328 They have 4 in stock

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Posted on Jan 02, 2017

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328a1bd.jpg
Remove the 4 screw for the stand (RED area) and then pull the TV off the stand and place the TV face down on you soft work surface. Remove the 4 large screws (GREEN area) and the rear cover screws (YELLOW areas). Now remove the rear cover (screw location may vary depending on your exact model, so please make sure have them all out first).

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964b551.jpg
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070b424.jpg

Now that we have the cover off, we are able to take a closer look and locate the faulty parts. Have a look at the upper right corner of the SMPS (Switch Mode Power Supply). You will see a cable going over to the main board on the right... in this area you will find the problem.

686d45d.jpg
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You will need to identify the electrical value of the parts and locate suitable replacement parts (try Radio Shack). The values may be 1000uF 10v, or 2200uF 10v... whatever they may, you replacement part have an identical uF value but a higher v value... ex: Original, 1000uF 10v -> Replacement, 1000uF 16v. This will help prevent this problem from reoccurring.

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