[time-nuts] Motorola GPS Z3801A

Matthew Kaufman matthew at matthew.at
Wed Jun 2 00:50:19 EDT 2010


Robert Benward wrote:
> Matt,
> It's been modified.  I was told that when I bought  it, and confirmed 
> it myself.  I don't get the right voltages; I need a new RS-232 
> interface chip.
Did you double-check the mod to ensure that the 0-ohm chip resistors 
came off in addition to the jumper changes?

I've managed to have a "dead" 3801A due to a bad mod I did once on one 
of my 9 or so units, which is why this is always what comes to mind now.

Matthew Kaufman




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