 | | Short Circute Problem -- EMERGENCY
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Hi Guys, I got a serious problem with my HB. Bymistake my 12 volts 1 amp power cord touched to HB(which is on at that time) circut track near the HB's direct charge connector. then there is short circuit crisp sound from that are and HB stoped (...) (24 years ago, 1-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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(...) Hi Raj, first you should have a look at the assembly manual (URL) are testing description for every step of assembling. So you'll possibly find the proplem on your own. If not you will have to describe the spot you touched your HB more precise (...) (24 years ago, 1-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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Hi Rainer, thanks for your advise on this. i will fallow the test cycles mentioned in HB manual. What i noticed is , charging circuit(changeing/interface board) working and HB is working in bootstrap mode also. it is able to sync with IC in (...) (24 years ago, 1-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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Hi guys , i tried all the tests mentioned in the HB assembly to find out which part of the HB blown. No luck. i am giving the results here: 1) Tested the interface and charger board - looks good. (Both power supply and the MAX232 circuit) 2) Tested (...) (24 years ago, 2-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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Hi, guys i realy in trouble now. i thought my memory fried out and replaced it with new chip and quad nands(hc132). but still no luck. i ordered processor from B.G.Micro and waiting for that shipment. do you guys have any idea what's the problem (...) (24 years ago, 7-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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Raju, I have a handyboard version 1.21, on this board the battery led is working properly when it lights at power on and then goes off. According to the manual it should only remain lit when the power is too low indicating a dead battery. So I (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
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