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Thread: DC Power Adaptor Question

  1. #1
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    DC Power Adaptor Question

    I'm hoping The Cafe is the right place for this question.

    For everyone that is knowledgable about AC and DC power, I have a baby monitor that is scking the life out of all my batteries. I'm tired of buying a bunch of batteries for this thing. It as a DC plug in the side, but I have no idea what DC adaptor to buy for it. I attached two pics of the baby monitor.

    The plug says "DC IN 9V" then has a symbol of a negative to a positive sign.
    Attached Images Attached Images

  2. #2
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    Re: DC Power Adaptor Question

    Hi Incarnadine.

    Just be sure the adaptor's output is 9 volts, with the center tap positive.

    Does it show a mA amount?
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  3. #3
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    Re: DC Power Adaptor Question

    Take it in to Fry's or Radio Shack, they will set you up. Or, find a neighbor with a ham radio antenna, they will probably have a power supply that will work.
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    Re: DC Power Adaptor Question

    Quote Originally Posted by tgalati4 View Post
    Take it in to Fry's or Radio Shack, they will set you up. Or, find a neighbor with a ham radio antenna, they will probably have a power supply that will work.
    +1. I looked at the Sony site and they really don't have much information about it. Taking it to Radio Shack or Fry's would probably be the best thing to do.
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    Re: DC Power Adaptor Question

    Thanks for all the input guys!

    I checked the baby monitor and there is no mA specification. So I'm not sure what to do with that.

    I found a DC adaptor that I think will work. It's 9V and has a center positive tip. Here is the link... http://www.amazon.com/Wall-Adapter-P...rds=9V+adaptor

    Would this adaptor work?

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    Re: DC Power Adaptor Question

    Probably. I am a bit leery about buying stuff like that online because of the "what if it is the wrong size" factor. Taking it to a local electronics store might help you match up what size plug you need and then you can find one online.
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    Re: DC Power Adaptor Question

    Quote Originally Posted by Incarnadine View Post
    Thanks for all the input guys!

    I checked the baby monitor and there is no mA specification. So I'm not sure what to do with that.

    I found a DC adaptor that I think will work. It's 9V and has a center positive tip. Here is the link... http://www.amazon.com/Wall-Adapter-P...rds=9V+adaptor

    Would this adaptor work?
    That one is 650 mA.

    Hopefully the monitor is the same, or higher, otherwise the adaptor may overload the monitor.
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  8. #8
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    Re: DC Power Adaptor Question

    Quote Originally Posted by hansdown View Post
    That one is 650 mA.

    Hopefully the monitor is the same, or higher, otherwise the adaptor may overload the monitor.
    No! As long as the voltage is correct the current rating of the adapter could by anything higher than required so you could use a 10A adapter and it would work fine. The device will only draw as much current as it needs.

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    Re: DC Power Adaptor Question

    Wrt to the specs you can find them here,

    http://store.sony.com/p/NTM-910YLW/e...specifications

    Power


    • Battery Type : Receiver: BP-T51 rechargeable battery (supplied)
    • Output Power : 120mW (using supplied AC Adaptor), 55mW (using 2.4V DC)
    • Power Requirements : Transmitter: AC 120V, 60 Hz; Receiver: DC 3V or AC 120V, 60 Hz (with supplied AC Adaptor)


    So it "looks" like the receiver & transmitter can use the same AC adapter. Are the connectors the same?
    Last edited by mips; May 25th, 2013 at 09:42 AM.

  10. #10
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    Re: DC Power Adaptor Question

    Another option would be to use rechargeable batteries.

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