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capacitor problem

Discussion in 'Electronic Repair' started by sdnk, Jan 21, 2004.

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  1. sdnk

    sdnk Guest

    hi I have print board which build in 1980's the capacitor is burned
    when I plug the power, it labled as (+10, +35v) i think it is a
    polarized 10uF, 35V but I am not sure, how long the capacitor last?
    should I replace all of them on the board? (there are five of them
    some labled as +1, 35v or 4.7uF 35V. thanks
  2. Replace all your electrolytics...try and get a good brand name (Like
    Panasonic) if you want to keep it running for a few more years...

    John :-#)#

    (Please post followups or tech enquires to the newsgroup)
    John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
    Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games)
    "Old pinballers never die, they just flip out."
  3. Franc Zabkar

    Franc Zabkar Guest

    Are they tantalum caps? If so, then replace all of them. Tantalums of
    that era have a tendency to fail catastrophically. Aluminium
    electrolytics of that age would be worth replacing as well.

    - Franc Zabkar
  4. sdnk

    sdnk Guest

    thanks how can I tell it is tantalum caps? it is epxoy dipped
    capacitors, it also have film type capacitor(square shape)and few
    large alumnium can type capacitor should I repalce these too? thanks
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