Looking for straight forward answers.
- Thread starter Juicz17
- Start date
Solution
dingo07
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- Jan 5, 2012
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it's possible you borked your power circuit with the extra 1v - depends how sensitive the board is and whether there's overvoltage protection built into it
have you removed the battery, disconnected any power charger, pressed the power button to discharge the capacitors, and waited 5-10 minutes
then plug in the power charger (not the battery) and see if it boots
have you removed the battery, disconnected any power charger, pressed the power button to discharge the capacitors, and waited 5-10 minutes
then plug in the power charger (not the battery) and see if it boots
SeymourCray
Distinguished
- Nov 1, 2011
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- 18,530
In my opinion (I studied electronics) a 1v difference with an 18v DC PSU is unlikely to do harm - every power supply has a tolerance and if you took ten identical units and measued their ouput voltage - they would differ somewhat.
What is more likely is that the polarity was wrong - many of the cylindrical plugs have an inner conductur and an outer - on some the centre is the +ve but on others the centre is the -ve. I've always hated this why they allow either polarity amazes me as there is no safeguard to prevent you getting this wrong.
e.g.:
Applying the voltage the wrong way round can indeed do permanent harm sometimes.
Seymour
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