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Motherboard caps

Discussion in 'Electronic Repair' started by purtnoy, Feb 3, 2005.

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  1. purtnoy

    purtnoy Guest

    I have a VIA motherboard with some bulged caps, rating 2700
    microferrad, 6.3 volts. can I replace these with 3300 micr,16 volt
  2. Harvey

    Harvey Guest

    You'd probably be better off getting a new motherboard.
    Provided they are low enough ESR and they are physically similar sized there
    shouldn't be any problem - assuming the voltage regulators haven't already
    been overstressed by the capacitors failing that is.
  3. James Sweet

    James Sweet Guest

    Yes, if they'll physically fit, usually there's not much extra space though,
    it's common for the originals to be physically touching each other.
  4. No need to trash the motherboard.

    Replace the caps and return it to service.

    Make sure you get low ESR caps, DigiKey is a source.

    Use a big soldering iron with a wide tip to touch both leads at the same
    time for quick heatup and removal. One leg of these caps is usuall connecter
    to the motherboard and desoldering it requires heat and thermal mass to get
    the job done quickly without damage.

    I use a 100 watt with a half inch wide heavy copper tip. After the cap is
    out open up the holes with more heat and a stainless dental pick. Install
    new cap and resolder.

    Have been doing one or more a week for the last two years thanks to SOYO
    using cheap caps. Never lost a board yet. Powersupplies are morelikely to
    have heat damage and price wise they are not worth the risk from the HV.

  5. me

    me Guest

    (purtnoy) wrote in
    I did, and computer has worked fine for about a year now. (got it free
    because it didn't work)
  6. Jamie

    Jamie Guest

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