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how to fix power supply adaptor

Discussion in 'Power Electronics' started by kevinkhan, Mar 31, 2015.

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  1. kevinkhan

    kevinkhan

    4
    0
    Sep 26, 2013
    I have a power supply adapter which is meant to convert 230v into 5v.
    When i put a multi meter across the output I am getting a voltage that is changing between 1.7v and 2.2v roughly.
    What could be wrong??

    Attached is a picture of the adapter and some of the components
     

    Attached Files:

  2. ramussons

    ramussons

    385
    73
    Jun 10, 2014
    load the adapter with a 220 / 100 ohms resistor resistor and measure. The adapter design may call for a minimum load to function.
     
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