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Thread: Powersupply 5V 2A polarity

  1. 08-12-2006, 11:48 #1
    heinz57g
    heinz57g is offline Junior Member
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    Powersupply 5V 2A polarity

    need to replace a lost powersupply for a WL500g with a OEM one, of which i have plenty around, but am
    not sure if it is PLUS in the middle and MINUS on the outside of the plug, or the other way around.

    could one of you kindly check? it is usually written with a symbol on the original power supply.

    greetings, and tks in advance - heinz -
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  2. 08-12-2006, 12:03 #2
    Fred
    Fred is offline Junior Member
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    Exclamation

    I have take a look at my power supply of the WL500g. The plus is in the middle!
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  3. 08-12-2006, 12:22 #3
    heinz57g
    heinz57g is offline Junior Member
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    tks fred for the quick reply and checking.
    95% are like this, but it is the 5% that burn up you things!

    greetings - heinz -
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  4. 08-12-2006, 15:05 #4
    jimmy_cr
    jimmy_cr is offline Member
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    heinz - what about to have look inside WL-500g, there should be some "safety" diode. So by its polarity you should be able do decide where the "+" is

    edit: and if not, there should be some capacitor with polarity marked on it
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