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Thread: The keyboard doesn't work

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  1. 07-20-2007, 06:44 PM #1
    TU ANH DUNG
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    Question The keyboard doesn't work

    I've got a problem: the keyboard of my griding machine system OM sometimes doesn't work. Please help me check it.
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  2. 07-23-2007, 01:54 AM #2
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    tobyaxis
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    Quote Originally Posted by TU ANH DUNG View Post
    I've got a problem: the keyboard of my griding machine system OM sometimes doesn't work. Please help me check it.
    You may want to clean it with contact cleaner first. Be sure to turn the power completely off and the breaker too. Then open the panel to expose the back side of the keys. Clean them really good.

    After using the contact cleaner let the keys dry for about 15 minutes.

    Then try the keyboard again to see if that helped at all.

    Cheers!!!!!
    Toby D.
    "Imagination and Memory are but one thing, but for divers considerations have divers names"
    Schwarzwald

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

    www.refractotech.com
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  3. 07-23-2007, 05:29 AM #3
    TU ANH DUNG
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    thank you very much. I followed you but still problem. When i use VOM to measure the voltage in anykey, it's zero. is masterboard have problem?
    Thanks for your help
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  4. 07-23-2007, 06:32 AM #4
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    tobyaxis
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    Quote Originally Posted by TU ANH DUNG View Post
    thank you very much. I followed you but still problem. When i use VOM to measure the voltage in anykey, it's zero. is masterboard have problem?
    Thanks for your help
    I'm not an Authority on Electronics, Sorry.
    Toby D.
    "Imagination and Memory are but one thing, but for divers considerations have divers names"
    Schwarzwald

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

    www.refractotech.com
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