[time-nuts] Odetics 425 getting truly flaky...

J. Forster jfor at quik.com
Thu Jan 14 23:13:36 UTC 2010

Have you checked to power supplies for ripple or bad C's?



> Fellow time-techs,
> 	Nothing lasts forever, and my faithful Odetics 425 is doing its best to
> demonstrate that fact. Before I put "Fix or Replace the thing" on my
> project list for the new year, I thought I'd check to see if any other
> owners of the beasties have run into the symptoms I'm getting.
> 	Specifically: The unit will go from TIME LOCKED and TFOM=4 to TIME
> COASTING and TFOM=5, pretty much at random.
> 	What I've done: Reseat every IC the thing has, replaced a couple of
> interconnect cable DIP sockets with hi-rel machine-pin style (they were
> cheapie single-leaf before), and done a manual recalibration of the
> oscillator.
> 	I know for a fact that the single-leaf IC sockets are a huge source of
> problems in older gear. My next step would be, I'm thinking, to replace
> every single IC socket with a high-rel part (that's a LOT of
> desoldering!)
> 	So -- Any thoughts before I start ordering new chip sockets? ;-)
> 	Thanks.
> Bruce Lane, Owner & Head Hardware Heavy,
> Blue Feather Technologies (http://www.bluefeathertech.com)
> Assoc. member, AZA & AAZK for many moons.
> "Salvadore Dali's computer has surreal ports..."
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.

More information about the time-nuts mailing list