Subject:
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Handyboard sudden turn off`
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 19 Apr 1999 10:00:27 GMT
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Original-From:
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phillip chia <philchia@singnet+StopSpam+.com.sg>
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Viewed:
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915 times
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Hi ,
I really need help. It's urgent!!!
When I turn on the HD, the LCD did not appear anything Moreover, the
program is not running running once I download and pressed start. The worst
part is that the U13 LM7805 CTB is getting HOT that can burn my finger in
just a short while.
Once I let the LM7805 to cool down for at least 15 minutes, and start to
press the start button again, program is running again and the LM7805 is
not hot .
currently, the battery I using is NiMH 9.6V , 1.3 Ah on the HD.
Is there any damaged in certain components?
rgds,
phillip
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Message has 1 Reply:
 | | Re: Handyboard sudden turn off`
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| Phillip, This happened to me once, and it was because I had an electrolytic capacitor installed backwards. You obviously have something drawing a lot of current, so if you check the caps and everything looks ok, it is somewhere else. Lacking any (...) (25 years ago, 19-Apr-99, to lugnet.robotics.handyboard)
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