[ntp:questions] OT: GPS18x LVC failure

David Lord snews at lordynet.org
Sun Oct 11 11:37:23 UTC 2009


David Lord wrote:
> David J Taylor wrote:
>> OT: GPS18x LVC failure
>>
>> My GPS18x LVC stopped working a couple of days ago.  There appears to 
>> +5V going into the unit, and the serial output is stuck around -5V 
>> with no signs of data on the 'scope.  Garmin have accepted the unit 

I'm guessing you hit (-) rather than (+), otherwise something
odd as with my unit the supplies are +5V and 0V, output spec
is 0V to +5V. Where was the -5V generated? If the -5V was real
then it would indicate some sort of internal fault.

David




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