LG LCD TV Model 47LB5D Bad Caps

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  • Shekou
    Member
    • Feb 2014
    • 11
    • Canada

    #1

    LG LCD TV Model 47LB5D Bad Caps

    My friend has an LG TV that simply stopped working. I had a look at the main board and found 4 popped capacitors. All four are SAMWHA 2200 uF 10V capacitors so I supposed they are the source of the problem. My question is: what are my chances to fix the TV if I replace those 4 capacitors?
    I know almost nothing in electronics but I repaired with success a computer with bad caps a few years ago and it is still working :-)
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  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #2
    Re: LG LCD TV Model 47LB5D Bad Caps

    You will have to replace the bad parts first to get the power supply to function before going further. I use PANASONIC FM/FR series from DIGIKEY. I would replace them as a set except the big main filter in the primary side. Bad caps can look normal and you do not want to take the TV apart more then once due to other caps fail later.
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

    Comment

    • Shekou
      Member
      • Feb 2014
      • 11
      • Canada

      #3
      Re: LG LCD TV Model 47LB5D Bad Caps

      Thanks for the quick reply.
      I'll replace the set and see.

      Comment

      • Shekou
        Member
        • Feb 2014
        • 11
        • Canada

        #4
        Re: LG LCD TV Model 47LB5D Bad Caps

        I replaced all 4 capacitors and gave it a try. It is working as a brand new one.
        Too bad I forgot to take a picture before replacing the back cover.
        It seems I have a new television and it cost me 15$ (most of it shipping and taxes) instead of 1000$. Yes!!

        Comment

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