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Canon PowerShot A85 PSU

Discussion in 'Electronic Design' started by Syd Rumpo, Aug 13, 2013.

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  1. Syd Rumpo

    Syd Rumpo Guest

    A bit of a long shot, but does anyone know the polarity of the external
    4.3V DC power supply jack for a Canon PowerShot A85 Camera? Canon don't
    say.

    Cheers
     
  2. Syd Rumpo

    Syd Rumpo Guest

    Cancel that, took a gamble on +ve centre and that's right.

    Cheers
     
  3. That's what I always do :)
     
  4. sms

    sms Guest

    You're lucky because Canon has a history of putting +V on the ring, and
    GND on the tip.
     
  5. Syd Rumpo

    Syd Rumpo Guest

    It wasn't pure luck in fact. I couldn't measure any voltage on the plug
    I tried at first, so I assumed it was disconnected from the camera
    batteries, but when I tried a different plug - which fitted better -
    battery volts or enough leakage thereof could be measured so the
    polarity was clear.

    So not really a gamble, I just said that to make me more attractive to
    girls.

    Cheers
     
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